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Intel Xeon E3-1535M v6

Intel Xeon E3-1535M v6: A Processor for Professionals in the Era of Hybrid Work

Introduction

In 2025, mobile workstations continue to be a key tool for engineers, designers, and IT specialists. The Intel Xeon E3-1535M v6 processor, released in 2017, can still be found in second-hand devices and some niche new laptops. Despite its age, it remains relevant due to its unique features. Let's explore who needs this CPU today and for what purposes.

1. Architecture and Manufacturing Process: The Kaby Lake Legacy

Code Name and Process Technology

The processor is built on the Kaby Lake architecture (7th generation Intel Core) with a 14nm manufacturing process. This is the last generation before Intel transitioned to 10nm, which explains its optimized but not revolutionary structure.

Cores, Threads, and Frequencies

- 4 cores / 8 threads thanks to Hyper-Threading.

- Base frequency: 3.1 GHz, maximum in Turbo Boost — 4.2 GHz (for a single core).

- L3 cache: 8 MB.

Integrated Graphics

The built-in GPU — Intel HD Graphics P630 with a base frequency of 350 MHz and a peak of 1.1 GHz. This is a specialized solution for workstations, supporting:

- 4K displays via DisplayPort/HDMI;

- OpenCL 2.0 and DirectX 12 APIs;

- Quick Sync technologies for video encoding.

Architecture Features

- Support for ECC memory — critical for memory-intensive tasks (e.g., CAD modeling).

- vPro and Trusted Execution technologies for corporate security.

2. Power Consumption and TDP: Balancing Power and Efficiency

The processor's TDP is 45 W, which is typical for mobile workstations. However, in 2025, this value appears high compared to modern chips (e.g., Apple M3 Pro with TDP of 30 W).

What Does This Mean for Users?

- A laptop with this CPU requires a powerful cooling system.

- In idle mode, power consumption drops to 5-7 W thanks to SpeedStep technology.

- Under peak loads (rendering, code compilation), overheating is possible in thin chassis.

3. Performance: Numbers and Real-World Tasks

Geekbench 6: Single-Core 1191 / Multi-Core 3703

For comparison:

- Intel Core i7-1260P (2022): ~1800 (Single), ~8500 (Multi).

- Apple M2 (2023): ~2600 (Single), ~10000 (Multi).

Use Cases:

- Office Tasks: Working with documents, browsers (20+ tabs), Zoom — the processor handles these without delays.

- Multimedia: Editing 4K video in DaVinci Resolve — rendering will take 30% longer than on i7-12700H.

- Gaming: In 2025 games (on low settings), FPS will be around 25-35 (e.g., _Cyberpunk 2077_ via FSR 3.0). The HD P630 is 4 times weaker than the modern AMD Ryzen 7 8840HS iGPUs.

- Turbo Mode: In brief tasks (launching applications, exporting PDFs), the frequency rises to 4.2 GHz, but during sustained loads, it drops to 3.5 GHz due to overheating.

4. Use Cases: Who Is the Xeon E3-1535M v6 For?

- Engineers and Architects: ECC memory support and stability in CAD applications (AutoCAD, SolidWorks).

- IT Specialists: Virtualization (VMware, VirtualBox) and code compilation.

- Photographers and Designers: Working in Adobe Lightroom or Photoshop with large files.

Not Suitable For:

- Gamers — weak graphics performance.

- Users for whom battery life is critical — high TDP reduces operational time.

5. Battery Life: The Cost of Performance

With a TDP of 45 W, laptops with this processor rarely run longer than 4-5 hours under moderate load (web browsing, office tasks).

Power-Saving Technologies:

- Intel Speed Shift: Dynamic frequency adjustment to reduce power consumption.

- C-States: Disabling unused cores.

Tip: Look for devices with a battery of at least 90 Wh (e.g., Dell Precision 7520) — this can extend battery life to 6 hours.

6. Comparison with Competitors

Intel Core i7-7820HQ (2017):

- Similar performance, but lacks ECC support.

AMD Ryzen 7 PRO 5850U (2021):

- 8 cores / 16 threads, TDP 15 W.

- Multi-Core in Geekbench 6 — ~7500.

Apple M1 (2020):

- Single-Core — ~2300, Multi-Core — ~8300.

- 3 times more energy-efficient.

Conclusion: The Xeon E3-1535M v6 lags behind modern counterparts in performance and efficiency but excels in stability and ECC support.

7. Pros and Cons

Strengths:

- Reliability and ECC support.

- Good performance in single-threaded tasks.

- Compatibility with professional software.

Weaknesses:

- High power consumption.

- Outdated graphics.

- Limited availability in new laptops (prices from $1500 for models in 2024-2025, e.g., Lenovo ThinkPad P51s).

8. Recommendations for Laptop Selection

Types of Devices:

- Mobile Workstations: Dell Precision 7520, HP ZBook 15 G4.

- Industrial Laptops: Panasonic Toughbook 55.

What to Pay Attention To:

- Cooling: Two fans and copper heat pipes.

- Memory: A minimum of 32 GB DDR4 with ECC.

- Display: 4K IPS for professionals.

2025 Prices:

- New laptops with this processor — starting at $1500 (basic configurations).

- AMD Ryzen 7 PRO 6850U alternatives — starting at $1200 with better battery life.

9. Final Conclusion: Who Is the Xeon E3-1535M v6 For?

This processor is the choice for those who prioritize stability and accuracy, rather than peak performance. It is ideal for:

- Corporate users upgrading their workstation fleet.

- Specialists working with outdated professional software requiring ECC.

Alternative: If ECC support is unnecessary, consider laptops based on Ryzen 7 PRO or Apple Silicon — they will offer a better balance of power and battery life.

Conclusion

Intel Xeon E3-1535M v6 is a niche solution for professionals who value reliability. In 2025, it should only be chosen under specific requirements; in most cases, modern alternatives are a better option.

Basic

Label Name

Intel

Platform

Mobile

Launch Date

January 2017

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.

E3-1535MV6

Code Name

Kaby Lake

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

3.10 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.

4.20 GHz

Intel Turbo Boost Technology 2.0 Frequency

4.20 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

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.

DDR4-2400 | LPDDR3-2133 | 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).

37.5 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

GPU Name

Intel® HD Graphics P630

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.

1.10 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@30Hz

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 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

1191

Geekbench 6

Multi Core Score

3703

Geekbench 5

Single Core Score

1061

Geekbench 5

Multi Core Score

4130

Passmark CPU

Single Core Score

2339

Passmark CPU

Multi Core Score

8087

Compared to Other CPU

Geekbench 6 Single Core

Core i7-5950HQ

1272 +6.8%

Core i5-8265U

1230 +3.3%

Xeon E3-1535M v6

1191

Xeon E5-2667 v4

1163 -2.4%

Ryzen 5 PRO 3350G

1125 -5.5%

Geekbench 6 Multi Core

Xeon E5-1630 v4

4157 +12.3%

Xeon E-2124G

3932 +6.2%

Xeon E3-1535M v6

3703

Ryzen Embedded V1807B

3500 -5.5%

Xeon E3-1285L v3

3243 -12.4%

Geekbench 5 Single Core

Core i7-10850H

1106 +4.2%

Core i3-10305

1080 +1.8%

Xeon E3-1535M v6

1061

Pentium Gold G5620

1037 -2.3%

Pentium Gold G6605

1016 -4.2%

Geekbench 5 Multi Core

Xeon E-2126G

4617 +11.8%

Xeon E-2234

4371 +5.8%

Xeon E3-1535M v6

4130

Ryzen 5 4500U

3934 -4.7%

Core i7-4790K

3775 -8.6%

Passmark CPU Single Core

Xeon D-2799

2404 +2.8%

EPYC 8224P

2370 +1.3%

Xeon E3-1535M v6

2339

Core i5-10500T

2305 -1.5%

Xeon E3-1280 v3

2275 -2.7%

Passmark CPU Multi Core

Ryzen 5 3400GE

8896 +10%

Core i5-10500TE

8449 +4.5%

Xeon E3-1535M v6

8087

Core i7-8705G

7700 -4.8%

Core i5-1035G1

7453 -7.8%