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Intel Core i7-3940XM
Benchmarks & Specs

Name: Intel Core i7-3940XM
Brand: Intel
Rating: 4.9 (7 reviews)

Last updated: 2026-06-04

Table of Contents

Summary
Benchmarks
Specifications
User Reviews
Popular Comparisons

Summary

The Intel Core i7-3940XM was a remarkable mobile CPU in its time. It was used in high-end laptops. This processor was among the most powerful options of its generation. As part of the "Extreme Mobile" series, it clearly targeted demanding users. We found that the Intel Core i7-3940XM offered a lot of power, especially for mobile gaming.

Based on the Ivy Bridge H architecture, this chip was manufactured using the then-advanced 22nm process. That was an important step forward. This enabled a good balance of efficiency and raw computing power for various tasks. The integrated Intel HD Graphics 4000 also enabled solid graphics performance.

It was quite sufficient for everyday applications and smooth playback of media content. With 8 MB Level-3 cache, the Intel Core i7-3940XM supported fast data access. This noticeably improved the system response. Its maximum memory bandwidth of 21 GB/s also contributed to fast processing. This ensured smooth operation.

Overall, the Intel Core i7-3940XM was a strong choice for demanding users. It delivered a compelling combination of computing power and graphics capability for its time.

High-End Mobile CPU
Suitable for mobile gaming
Advanced 22nm manufacturing process
Integrated Intel HD Graphics 4000

Benchmarks

Performance Overview
Average performance across multiple benchmarks

Single-core performance

Rank 623 / 834
In segment Notebook

Multi-core performance

Rank 486 / 832
In segment Notebook

Geekbench 6 Single-Core
Single-core performance

2C / 4T · 3.70 GHz

697

2C / 4T · 2.00 GHz

695

4C / 8T · 3.90 GHz

694

4C / 8T · 3.80 GHz

686

4C / 8T · 3.80 GHz

686

Geekbench 6 Multi-Core
Multi-core performance

4C / 4T · 3.60 GHz

2,691

4C / 4T · 2.10 GHz

2,688

4C / 8T · 3.00 GHz

2,670

2C / 4T · 3.80 GHz

2,637

4C / 8T · 2.90 GHz

2,632

Geekbench 5, 64bit Single-Core
Single-core performance

2C / 4T · 3.30 GHz

802

2C / 4T · 3.30 GHz

802

4C / 8T · 3.90 GHz

799

4C / 8T · 3.80 GHz

793

4C / 8T · 3.80 GHz

793

Geekbench 5, 64bit Multi-Core
Multi-core performance

4C / 8T · 2.90 GHz

3,317

4C / 8T · 2.80 GHz

3,314

4C / 8T · 3.00 GHz

3,310

4C / 8T · 3.20 GHz

3,299

4C / 8T · 3.20 GHz

3,299

iGPU - FP32 Performance (Single-precision GFLOPS)

Intel HD Graphics 5500

346

Intel HD Graphics 5500

346

Intel HD Graphics 4000

346

Intel UHD Graphics 24 EUs (Jasper Lake)

340

Intel HD Graphics 4000

333

CPU-Z Benchmark 17 Multi-Core
Multi-core performance

4C / 8T · 1.70 GHz

1,821

4C / 8T · 2.70 GHz

1,802

4C / 8T · 3.00 GHz

1,790

4C / 8T · 2.80 GHz

1,760

4C / 8T · 1.90 GHz

1,758

More benchmarks

Geekbench 6 (SC)
1,989 entries

Geekbench 6 (MC)
1,927 entries

Geekbench 5 (SC)
2,512 entries

Geekbench 5 (MC)
2,483 entries

FP32 SP (iGPU)
2,219 entries

PassMark CPU-Mark
2,504 entries

CPU-Z Benchmark 17 (MC)
751 entries

Specifications

At a glance

Property	Value
Family	Intel Core i7 Extreme Edition (24)
CPU group	Intel Core i 3000M (29)
Architecture	Ivy Bridge H
Technology	22 nm
Segment	Notebook
Socket	PGA 988
Generation	3
Predecessor
Successor

CPU Cores and Base Frequency

Property	Value
CPU Cores / Threads	4 / 8
Hyperthreading / SMT	✓
Core architecture	normal
Cores:	4x
Frequency:	3.00 GHz
Turbo Frequency (1 Core):	3.90 GHz
Turbo Frequency (4 Cores):
L2-Cache
L3-Cache	8.00 MB
Overclocking	Yes

Integrated graphics (iGPU)

Property	Value
GPU name	Intel HD Graphics 4000
GPU frequency	0.65 - 1.35 GHz
CUs / Shader	16 / 128
Raytracing	✗
Max. displays	3
Max. GPU Memory	2 GB
Technology	22 nm
Release date	Q1/2011

NPU AI performance

Property	Value
AI hardware
AI specifications
NPU + CPU + iGPU

Memory & PCIe

Memory type	Memory bandwidth
DDR3L-1333 DDR3L-1600 DDR3-1333 DDR3-1600	21.3 GB/s 25.6 GB/s 21.3 GB/s 25.6 GB/s
Property	Value
Max. Memory	32 GB
Memory channels	2
ECC	✗
PCIe	3.0 x 16
PCIe Bandwidth	15.8 GB/s

Thermal Management

Property	Value
TDP	55 W
TDP (PL2)
TDP up
TDP down
T. junction max.	105 °C

Technical details

Property	Value
Chip design	Monolithic
AES-NI	✓
Operating systems	Windows 10, Linux
Instruction set	x86-64 (64 bit)
ISA extensions	SSE4.1, SSE4.2, AVX
Release date	Q3/2012
Release price
Documents

User Reviews

Your rating

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★★★★★