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Intel Core i3-1315U

Intel Core i3-1315U: A Balance of Energy and Performance for Mobile Tasks

March 2025

Introduction

Modern laptops require a compromise between power and battery life. The Intel Core i3-1315U processor, introduced in 2023, remains relevant in the budget segment even two years later. Let’s explore who this chip is suitable for, how it handles tasks, and what nuances to consider when choosing a device.

Architecture and Manufacturing Process

Raptor Lake: A Hybrid Approach

The Core i3-1315U is based on Raptor Lake architecture (Intel 7 process, 10 nm Enhanced SuperFin). It features a hybrid system with two types of cores:

- 2 Performance-cores (P-cores) — High-performance cores with Hyper-Threading support (4 threads), a base frequency of 1.2 GHz, and Turbo Boost up to 4.3 GHz.

- 4 Efficient-cores (E-cores) — Energy-efficient cores without Hyper-Threading (4 threads), operating at 0.9–3.3 GHz.

Cache and Graphics

- 10 MB L3 cache accelerates multithreaded operations.

- Integrated graphics Intel UHD Graphics (13th Gen) with 64 Execution Units (EUs), a frequency of up to 1.1 GHz. Supports 4K@60Hz, AV1 decoding, and HDMI 2.1.

Architecture Features

- Intel Thread Director technology optimizes task distribution between P- and E-cores.

- Support for DDR5/LPDDR5 and PCIe 4.0 (up to 8 lanes).

Power Consumption and TDP

15W TDP: A Balance Between Power and Battery Life

- The nominal thermal design power (TDP) of 15W allows the processor to be installed in thin ultraportables and devices with passive cooling.

- In turbo mode, consumption briefly reaches 55W, but a mid-level cooling system handles such spikes.

Energy-Saving Technologies

- Intel Dynamic Tuning 3.0 — Automatically adjusts voltage and frequencies based on workload.

- Adaptix — Tools for fine-tuning the balance between performance and battery life.

Performance in Real Tasks

Office Work

- Applications like Microsoft Office, browsers with 10+ tabs, Zoom conferences — the processor operates without delays. For instance, rendering a PowerPoint presentation with 3D elements takes 2–3 seconds.

Multimedia

- Converting a 30-minute 1080p video in HandBrake: ~22 minutes (compared to 18 minutes for the Ryzen 5 7530U).

- Streaming 4K video on Netflix or YouTube — the load on the iGPU does not exceed 60%, thanks to hardware AV1 decoding.

Gaming

- Light projects: CS2 runs at 40–50 FPS on low settings (720p), Genshin Impact achieves 25–30 FPS.

- Turbo mode supports a stable GPU frequency for up to 15 minutes, after which throttling begins due to overheating in compact cases.

Turbo Boost Mode

- In the Cinebench R23 benchmark: 5617 points (multithreaded) compared to 4800 points for the i3-1215U. However, under load, temperatures reach 95°C, typical for ultrabooks.

Usage Scenarios

Target Audience:

- Students and office workers — document work, web surfing, online learning.

- Portability-focused users — laptops weighing up to 1.3 kg (e.g., Acer Swift 3 2025).

- Secondary device — for travel or work in cafes.

Not Suitable For:

- Gamers (except for cloud gaming).

- Video editors and 3D designers.

Battery Life

Battery Runtime

- In devices with a 50–60 Wh battery (e.g., Lenovo IdeaPad 5) — up to 10 hours under mixed use (brightness 150 nits, Wi-Fi).

- With active use (Chrome + YouTube) — 6–7 hours.

Power Consumption Optimization

- The "Battery Saver" mode in Windows 12 reduces E-core frequency to 0.7 GHz, extending battery life by 15–20%.

- Intel Smart Cache reduces accesses to RAM, saving up to 3–5% energy.

Comparison with Competitors

AMD Ryzen 5 7530U (Zen 3, 6 cores/12 threads)

- Pros: Higher performance in multithreaded tasks (Cinebench R23: 6200 points), faster Radeon Graphics by 20%.

- Cons: Battery life is 1–2 hours shorter, laptop prices start at $700.

Apple M2 (8 cores, 10-core GPU)

- The MacBook Air with M2 is more expensive ($999) but offers 15+ hours of battery life and instant response in video editing. However, compatibility with Windows software is limited.

Intel Core i5-1335U

- $100–150 more expensive: 10 cores (2P+8E), higher performance in rendering. However, the price premium is not always justified for office use.

Pros and Cons of Core i3-1315U

Strengths:

- Laptop prices starting at $500.

- Support for Wi-Fi 6E and Thunderbolt 4.

- Cool and quiet even under load.

Weaknesses:

- Only 8 threads (compared to 12 for Ryzen 5).

- Graphics not suitable for gaming above 720p.

- Limited future-proofing (minimum 3–4 years).

Recommendations for Laptop Selection

Optimal Models (2025):

- Budget Ultraportables: HP Pavilion Aero 13 (price: $550–600) — weight 1.1 kg, 2.5K IPS display.

- Versatile Laptops: ASUS Vivobook S15 — 15.6" FHD, 16 GB RAM, 512 GB SSD ($650).

What to Pay Attention To:

1. RAM: Minimum 16 GB LPDDR5 (8 GB in 2025 is already insufficient).

2. Display: Full HD resolution and higher, IPS panel.

3. Ports: Thunderbolt 4 for future peripherals.

4. Cooling: Dual-fan system for stable Turbo Boost.

Conclusion

The Intel Core i3-1315U is a good choice for those looking for an affordable laptop for everyday tasks. Its key advantages include:

- Sufficient performance for office work and multimedia.

- 8–10 hours of battery life in a compact chassis.

- Support for modern connectivity standards (Wi-Fi 6E, Thunderbolt 4).

It lags behind more powerful CPUs in resource-intensive scenarios but offers an ideal balance for education, work, and entertainment at a price range of $500–700. If your budget is limited and your needs are moderate, this processor is worth considering.

Basic

Label Name

Intel

Platform

Mobile

Launch Date

January 2023

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.

i3-1315U

Code Name

Raptor 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.

Performance-cores

Efficient-cores

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.

4.50 GHz

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

10 MB

CPU Socket

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

FCBGA1744

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.

Intel 7

TDP

15 W

Processor Base Power

The time-averaged power dissipation that the processor is validated to not exceed during manufacturing while executing an Intel-specified high complexity workload at Base Frequency and at the junction temperature as specified in the Datasheet for the SKU segment and configuration.

15 W

Maximum Turbo Power

The maximum sustained (>1s) power dissipation of the processor as limited by current and/or temperature controls. Instantaneous power may exceed Maximum Turbo Power for short durations (<=10ms). Note: Maximum Turbo Power is configurable by system vendor and can be system specific.

55 W

Max. Operating Temperature

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

100°C

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.

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

Microprocessor PCIe Revision

Gen 4

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.

Up to DDR5 5200 MT/s Up to DDR4 3200 MT/s Up to LPDDR5/x 5200 MT/s Up to LPDDR4x 4267 MT/s

Max Memory Size

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

96 GB

Memory Channels

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

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.

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® UHD Graphics for 13th Gen Intel® Processors

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.

1.25 GHz

DirectX Support

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

12.1

Execution Units

The Execution Unit is the foundational building block of Intel’s graphics architecture. Execution Units are compute processors optimized for simultaneous Multi-Threading for high throughput compute power.

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.

4096 x 2304 @ 60Hz

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.

7680 x 4320 @ 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.

4096 x 2304 @ 120Hz

Number of Displays Supported

Graphics Output

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

eDP 1.4b | DP 1.4a | HDMI 2.1

Miscellaneous

Intel Deep Learning Boost (Intel DL Boost) on CPU

A new set of embedded processor technologies designed to accelerate AI deep learning use cases. It extends Intel AVX-512 with a new Vector Neural Network Instruction (VNNI) that significantly increases deep learning inference performance over previous generations.

Yes

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

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.

10 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 High Definition Audio

Yes

Intel Volume Management Device (VMD)

Intel® Volume Management Device (VMD) provides a common, robust method of hot plug and LED management for NVMe-based solid state drives.

Yes

Intel Boot Guard

Intel® Device Protection Technology with Boot Guard helps protect the system’s pre-OS environment from viruses and malicious software attacks.

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 QuickAssist Software Acceleration

Yes

Intel Control-Flow Enforcement Technology

CET - Intel Control-flow Enforcement Technology (CET) helps protect against the misuse of legitimate code snippets through return-oriented programming (ROP) control-flow hijacking attacks.

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.

4.6

OpenCL Support

OpenCL (Open Computing Language) is a multi-platform API (Application Programming Interface) for heterogeneous parallel programming.

3.0

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

1914

Geekbench 6

Multi Core Score

5617

Geekbench 5

Single Core Score

1452

Geekbench 5

Multi Core Score

4829

Passmark CPU

Single Core Score

3554

Passmark CPU

Multi Core Score

12592

Compared to Other CPU

Geekbench 6 Single Core

Core i3-1215UE

2091 +9.2%

EPYC 9354P

2004 +4.7%

Core i3-1315U

1914

Xeon W-3375

1781 -6.9%

Ryzen 5 6600U

1690 -11.7%

Geekbench 6 Multi Core

Ryzen 7 5800HS

6404 +14%

Xeon E7-4830 v3

5990 +6.6%

Core i3-1315U

5617

Core i5-1334U

5372 -4.4%

Ryzen Embedded V2546

4976 -11.4%

Geekbench 5 Single Core

Xeon w7-3465X

1601 +10.3%

EPYC 9274F

1534 +5.6%

Core i3-1315U

1452

Core i5-11320H

1390 -4.3%

Core i5-11600T

1332 -8.3%

Geekbench 5 Multi Core

Xeon E5-2673 v3

5343 +10.6%

Ryzen 7 4800U

5064 +4.9%

Core i3-1315U

4829

Xeon E-2126G

4617 -4.4%

Xeon E-2234

4371 -9.5%

Passmark CPU Single Core

Core i5-14400T

3741 +5.3%

Core i5-13500T

3655 +2.8%

Core i3-1315U

3554

Core i3-1220PE

3474 -2.3%

Core i3-13100T

3402 -4.3%

Passmark CPU Multi Core

Core i7-8700

13679 +8.6%

Xeon E5-2660 v3

13208 +4.9%

Core i3-1315U

12592

Xeon D-2146NT

11736 -6.8%

Xeon E5-2628L v4

11079 -12%