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Intel Xeon E3-1505M v5

Intel Xeon E3-1505M v5: A Processor for Mobile Workstation Professionals

April 2025

Introduction

Intel Xeon processors are traditionally associated with servers and workstations, but mobile versions like the Xeon E3-1505M v5 occupy a unique niche. Released in 2016 based on the Skylake architecture, this chip still finds its way into used and some new specialized laptops. In 2025, it remains relevant for specific tasks where stability, multi-threaded performance, and ECC memory support are important. Let’s explore who should consider devices with this CPU.

Architecture and Process Technology

Foundation: Skylake and 14 nm

The processor is built on the Skylake microarchitecture (6th generation Intel Core) with a 14 nm manufacturing process. It represents one of the last "classic" Intel architectures before shifting to hybrid solutions (like Alder Lake).

- Cores and Threads: 4 cores, 8 threads thanks to Hyper-Threading.

- Frequencies: Base frequency — 2.8 GHz, Turbo Boost — up to 3.7 GHz.

- Cache: 8 MB L3 cache, which enhances responsiveness in multitasking scenarios.

- iGPU: Integrated graphics are provided by Intel HD Graphics P530 with 24 Execution Units (EUs), supporting DirectX 12, OpenGL 4.4, and 4K output.

Architecture Features:

- Support for AVX2 instructions to accelerate calculations in rendering and encryption tasks.

- VT-x and VT-d virtualization technologies for working with virtual machines.

- ECC Memory: A key feature of Xeon processors is error-correcting memory crucial for engineering and scientific tasks.

Power Consumption and TDP

TDP 45 W places this processor in the "high-performance mobile" category. For comparison:

- U-series (15 W): Designed for ultrabooks but with lower performance.

- H-series (45 W and above): Targeted at gaming laptops and workstations.

What does this mean in practice?

- Laptops with the E3-1505M v5 require an efficient cooling system (two fans, copper pipes).

- In idle mode, power consumption drops to 5-10 W, but under load, temperatures can rise to 90–95°C.

- For comparison: modern Intel 13th generation processors (e.g., Core i7-13700H) at TDP 45 W offer up to 14 cores.

Performance in Real-World Tasks

Office Work and Multitasking

- Geekbench 6: 1161 (Single-Core), 3521 (Multi-Core). For 2025, these are modest scores (modern Core i5-1340P yields ~1800/8500), but sufficient for basic tasks.

- Examples:

- Concurrently working with 20+ tabs in Chrome, Excel spreadsheets, and Zoom — no lag.

- Converting PDF to Word takes 15–20 seconds (compared to 5–8 seconds with Ryzen 5 7640U).

Multimedia and Rendering

- HandBrake (encoding 1080p video in H.265): ~45 minutes for a 1-hour file (compared to 25 minutes with Apple M2).

- Adobe Photoshop: Filters and retouching work smoothly, but AI features (like Generative Fill) lag behind modern NPUs.

Gaming

- Intel HD Graphics P530: Limited capabilities.

- CS:GO (1080p, low settings) — 40–50 FPS.

- The Witcher 3 (720p, low) — 15–20 FPS.

- Modern AAA titles (Cyberpunk 2077, Starfield) — unplayable.

Turbo Boost: Under peak loads, the frequency rises to 3.7 GHz but doesn’t last long (10–15 seconds) due to overheating.

Usage Scenarios

This processor is suitable for:

1. Engineers and Designers: For CAD applications (AutoCAD, SolidWorks) with ECC memory support.

2. Data Analysts: Working with databases and virtualization.

3. Freelancers: Editing videos in Premiere Pro or DaVinci Resolve on a budget workstation.

Not suitable for:

- Gamers: Weak graphics and lack of discrete GPUs in most laptops with this CPU.

- Ultrabook Users: High power consumption reduces battery life.

Battery Life

- Operating Time: Laptops with E3-1505M v5 (e.g., Dell Precision 3510) come with batteries of 68–90 Wh. Under moderate load (office tasks) — 4–5 hours.

- Power-Saving Technologies:

- Intel SpeedStep: Dynamic frequency adjustment.

- C-States: Disabling unused cores.

- Driver Optimization: Effective management of iGPU.

Advice: To extend battery life, disable Turbo Boost in BIOS settings.

Comparison with Competitors

AMD Ryzen Pro 5 3600 (2020)

- 6 cores/12 threads, 7 nm, TDP 35 W.

- Better multi-threaded performance (Geekbench 6 Multi-Core ~5000), but lacks ECC memory in budget models.

Apple M1 (2020)

- 8 cores (4+4), 5 nm, TDP 20 W.

- Geekbench 6: ~2300 (Single), ~8500 (Multi).

- Advantage: Battery life up to 15 hours, but no support for Windows or specialized software.

Intel Core i7-6820HQ (2015)

- Comparable to Xeon E3-1505M v5 without ECC. Cheaper by 20–30%, but less reliable for critical tasks.

Pros and Cons

Strengths:

- Support for ECC memory.

- Stability under prolonged loads.

- Good multi-threaded performance for its class.

Weaknesses:

- Outdated architecture: Falls behind modern chips by 30–50% in Single-Core performance.

- High TDP: Noisy coolers, low battery life.

- No support for PCIe 4.0/Thunderbolt 4.

Laptop Selection Recommendations

- Device Type: Mobile workstation (Dell Precision, HP ZBook).

- What to Look For:

- Cooling: Check reviews for noise and temperature.

- RAM: At least 16 GB DDR4 with ECC.

- Storage: Must have NVMe SSD.

- Price: New devices with this CPU cost $1200–$1500 (e.g., Dell Precision 3560).

Important: In 2025, these laptops should be purchased only for specific tasks. For most users, it’s more advantageous to take a model with Ryzen 5 7640U or Core i5-1340P.

Final Verdict

The Intel Xeon E3-1505M v5 is a specialized processor for:

- Engineers who require reliability and ECC memory.

- Corporate users upgrading their workstation fleet on a limited budget.

Key benefits: Reliability, support for professional features, stable performance under load. However, for everyday tasks, gaming, or creative work, it’s better to choose modern alternatives.

If you're looking for a laptop for CAD, virtualization, or data analysis and can tolerate weight and noise — the Xeon E3-1505M v5 can still serve you well. But remember: technology doesn’t stand still, and even budget new processors often outperform it in all parameters.

Basic

Label Name

Intel

Platform

Mobile

Launch Date

October 2015

Model Name

The Intel processor number is just one of several factors - along with processor brand, system configurations, and system-level benchmarks - to be considered when choosing the right processor for your computing needs.

E3-1505MV5

Code Name

SkyLake

CPU Specifications

Total Cores

Cores is a hardware term that describes the number of independent central processing units in a single computing component (die or chip).

Total Threads

Where applicable, Intel® Hyper-Threading Technology is only available on Performance-cores.

Basic Frequency

2.80 GHz

Max Turbo Frequency

Max Turbo Frequency is the maximum single-core frequency at which the processor is capable of operating using Intel® Turbo Boost Technology and, if present, Intel® Turbo Boost Max Technology 3.0 and Intel® Thermal Velocity Boost. Frequency is typically measured in gigahertz (GHz), or billion cycles per second.

3.70 GHz

Intel Turbo Boost Technology 2.0 Frequency

3.70 GHz

Intel Turbo Boost Technology

Intel® Turbo Boost Technology dynamically increases the processor's frequency as needed by taking advantage of thermal and power headroom to give you a burst of speed when you need it, and increased energy efficiency when you don’t.

2.0

Intel Hyper-Threading Technology

Intel® Hyper-Threading Technology (Intel® HT Technology) delivers two processing threads per physical core. Highly threaded applications can get more work done in parallel, completing tasks sooner.

Yes

L3 Cache

8 MB

CPU Socket

The socket is the component that provides the mechanical and electrical connections between the processor and motherboard.

FCBGA1440

Technology

Lithography refers to the semiconductor technology used to manufacture an integrated circuit, and is reported in nanometer (nm), indicative of the size of features built on the semiconductor.

14 nm

TDP

45 W

Max. Operating Temperature

Junction Temperature is the maximum temperature allowed at the processor die.

100°C

PCI Express Version

PCI Express Revision is the supported version of the PCI Express standard. Peripheral Component Interconnect Express (or PCIe) is a high-speed serial computer expansion bus standard for attaching hardware devices to a computer. The different PCI Express versions support different data rates.

3.0

Number of PCI Express Lanes

A PCI Express (PCIe) lane consists of two differential signaling pairs, one for receiving data, one for transmitting data, and is the basic unit of the PCIe bus. Max # of PCI Express Lanes is the total number of supported lanes.

Intel 64

Intel® 64 architecture delivers 64-bit computing on server, workstation, desktop and mobile platforms when combined with supporting software.¹ Intel 64 architecture improves performance by allowing systems to address more than 4 GB of both virtual and physical memory.

Yes

Instruction Set

The instruction set is a hard program stored inside the CPU that guides and optimizes CPU operations. With these instruction sets, the CPU can run more efficiently. There are many manufacturers that design CPUs, which results in different instruction sets, such as the 8086 instruction set for the Intel camp and the RISC instruction set for the ARM camp. x86, ARM v8, and MIPS are all codes for instruction sets. Instruction sets can be extended; for example, x86 added 64-bit support to create x86-64. Manufacturers developing CPUs that are compatible with a certain instruction set need authorization from the instruction set patent holder. A typical example is Intel authorizing AMD, enabling the latter to develop CPUs compatible with the x86 instruction set.

64-bit

PCI Express Configurations

PCI Express (PCIe) Configurations describe the available PCIe lane configurations that can be used to link to PCIe devices.

Up to 1x16 | 2x8 | 1x8+2x4

Memory Specifications

Memory Type

Intel® processors come in four different types: Single Channel, Dual Channel, Triple Channel, and Flex Mode. Maximum supported memory speed may be lower when populating multiple DIMMs per channel on products that support multiple memory channels.

DDR4-2133 | LPDDR3-1866 | DDR3L-1600

Max Memory Size

Max memory size refers to the maximum memory capacity supported by the processor.

64 GB

Memory Channels

The number of memory channels refers to the bandwidth operation for real world application.

Bus Speed

8 GT/s

Max Memory Bandwidth

Max Memory bandwidth is the maximum rate at which data can be read from or stored into a semiconductor memory by the processor (in GB/s).

34.1 GB/s

ECC Memory Supported

ECC Memory Supported indicates processor support for Error-Correcting Code memory. ECC memory is a type of system memory that can detect and correct common kinds of internal data corruption. Note that ECC memory support requires both processor and chipset support.

Yes

GPU Specifications

Integrated Graphics Model

An integrated GPU refers to the graphics core that is integrated into the CPU processor. Leveraging the processor's powerful computational capabilities and intelligent power efficiency management, it delivers outstanding graphics performance and a smooth application experience at a lower power consumption.

Intel® HD Graphics P530

Graphics Base Frequency

Graphics Base frequency refers to the rated/guaranteed graphics render clock frequency in MHz.

350 MHz

Graphics Frequency

Graphics max dynamic frequency refers to the maximum opportunistic graphics render clock frequency (in MHz) that can be supported using Intel® HD Graphics with Dynamic Frequency feature.

1.05 GHz

Graphics Video Max Memory

1.7 GB

4K Support

Yes | at 60Hz

DirectX Support

DirectX* Support indicates support for a specific version of Microsoft’s collection of APIs (Application Programming Interfaces) for handling multimedia compute tasks.

Max Resolution (HDMI)

Max Resolution (HDMI) is the maximum resolution supported by the processor via the HDMI interface (24bits per pixel & 60Hz). System or device display resolution is dependent on multiple system design factors; actual resolution may be lower on your system.

4096x2304@24Hz

Max Resolution (DP)

Max Resolution (DP) is the maximum resolution supported by the processor via the DP interface (24bits per pixel & 60Hz). System or device display resolution is dependent on multiple system design factors; actual resolution may be lower on your system.

4096x2304@60Hz

Max Resolution (eDP - Integrated Flat Panel)

Max Resolution (Integrated Flat Panel) is the maximum resolution supported by the processor for a device with an integrated flat panel (24bits per pixel & 60Hz). System or device display resolution is dependent on multiple system design factors; actual resolution may be lower on your device.

4096x2304@60Hz

Max Resolution (VGA)

N/A

Number of Displays Supported

Graphics Output

Graphics Output defines the interfaces available to communicate with display devices.

eDP/DP/HDMI/DVI

Miscellaneous

Intel Virtualization Technology (VT-x)

Intel® Virtualization Technology (VT-x) allows one hardware platform to function as multiple “virtual” platforms. It offers improved manageability by limiting downtime and maintaining productivity by isolating computing activities into separate partitions.

Yes

Intel Virtualization Technology for Directed I/O (VT-d)

Intel® Virtualization Technology for Directed I/O (VT-d) continues from the existing support for IA-32 (VT-x) and Itanium® processor (VT-i) virtualization adding new support for I/O-device virtualization. Intel VT-d can help end users improve security and reliability of the systems and also improve performance of I/O devices in virtualized environments.

Yes

Intel Standard Manageability (ISM)

Intel® Standard Manageability is the manageability solution for Intel vPro® Essentials platforms and is a subset of Intel® AMT with out-of-band management over Ethernet and Wi-Fi, but no KVM or new life cycle management features.

Intel® SSE4.1 | Intel® SSE4.2 | Intel® AVX2

Enhanced Intel SpeedStep Technology

Enhanced Intel SpeedStep® Technology is an advanced means of enabling high performance while meeting the power-conservation needs of mobile systems. Conventional Intel SpeedStep® Technology switches both voltage and frequency in tandem between high and low levels in response to processor load. Enhanced Intel SpeedStep® Technology builds upon that architecture using design strategies such as Separation between Voltage and Frequency Changes, and Clock Partitioning and Recovery.

Yes

Execute Disable Bit

Execute Disable Bit is a hardware-based security feature that can reduce exposure to viruses and malicious-code attacks and prevent harmful software from executing and propagating on the server or network.

Yes

Cache

CPU Cache is an area of fast memory located on the processor. Intel® Smart Cache refers to the architecture that allows all cores to dynamically share access to the last level cache.

8 MB Intel® Smart Cache

Intel AES New Instructions

Intel® AES New Instructions (Intel® AES-NI) are a set of instructions that enable fast and secure data encryption and decryption. AES-NI are valuable for a wide range of cryptographic applications, for example: applications that perform bulk encryption/decryption, authentication, random number generation, and authenticated encryption.

Yes

Intel Clear Video HD Technology

Intel® Clear Video HD Technology, like its predecessor, Intel® Clear Video Technology, is a suite of image decode and processing technologies built into the integrated processor graphics that improve video playback, delivering cleaner, sharper images, more natural, accurate, and vivid colors, and a clear and stable video picture. Intel® Clear Video HD Technology adds video quality enhancements for richer color and more realistic skin tones.

Yes

Intel Clear Video Technology

Yes

Intel VT-x with Extended Page Tables (EPT)

Intel® VT-x with Extended Page Tables (EPT), also known as Second Level Address Translation (SLAT), provides acceleration for memory intensive virtualized applications. Extended Page Tables in Intel® Virtualization Technology platforms reduces the memory and power overhead costs and increases battery life through hardware optimization of page table management.

Yes

Intel InTru 3D Technology

Yes

Intel Flex Memory Access

Yes

Intel OS Guard

Yes

OpenGL Support

OpenGL (Open Graphics Library) is a cross-language, multi-platform API (Application Programming Interface) for rendering 2D and 3D vector graphics.

4.4

Intel Quick Sync Video

Intel® Quick Sync Video delivers fast conversion of video for portable media players, online sharing, and video editing and authoring.

Yes

Benchmarks

Geekbench 6

Single Core Score

1161

Geekbench 6

Multi Core Score

3521

Geekbench 5

Single Core Score

864

Geekbench 5

Multi Core Score

3202

Passmark CPU

Single Core Score

2000

Passmark CPU

Multi Core Score

6943

Compared to Other CPU

Geekbench 6 Single Core

Xeon W-2175

1227 +5.7%

Core i7-10610U

1187 +2.2%

Xeon E3-1505M v5

1161

Core i3-8130U

1123 -3.3%

Xeon E5-2690

1084 -6.6%

Geekbench 6 Multi Core

Core i9-10900TE

3963 +12.6%

Core i7-4870HQ

3728 +5.9%

Xeon E3-1505M v5

3521

Xeon D-2183IT

3296 -6.4%

Ryzen 3 3200G

3049 -13.4%

Geekbench 5 Single Core

Ryzen 5 PRO 3350GE

894 +3.5%

Xeon Gold 6212U

878 +1.6%

Xeon E3-1505M v5

864

Core i5-9400T

849 -1.7%

Core i7-10510U

830 -3.9%

Geekbench 5 Multi Core

Core i5-9500E

3449 +7.7%

Xeon E-2124

3321 +3.7%

Xeon E3-1505M v5

3202

Ryzen 9 3900X

3077 -3.9%

Core i5-7600T

2946 -8%

Passmark CPU Single Core

Ryzen 3 PRO 2200GE with Radeon Vega 8 Graphics

2051 +2.6%

Xeon Platinum 8280

2029 +1.5%

Xeon E3-1505M v5

2000

EPYC 7402P

1971 -1.5%

Xeon E5-2697 v4

1948 -2.6%

Passmark CPU Multi Core

Core i7-7820HK

7403 +6.6%

Core i7-4770K

7124 +2.6%

Xeon E3-1505M v5

6943

Xeon D-2123IT

6673 -3.9%

Xeon E3-1240 v2

6347 -8.6%