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Intel

Core i7-3940XM

▲ 5248 ▼

4 Cores, 8 Threads @3 GHz, Ivy Bridge.
Release date ≤ Q2 2014.

Average Bench: 69.6% (405th of 1442)

Based on 2,187 user benchmarks.  Device: BFEBFBFF000306A9 Model: Intel(R) Core(TM) i7-3940XM CPU @ 3.00GHz
Poor: 52%Average: 69.6% Great: 78%
Gaming
Gaming 70%
Battle cruiser
Desktop
Desktop 73%
Battleship
Workstation
Workstation 56%
Gunboat

Popular builds with this CPU

Above average average bench

The Intel Core i7-3940XM averaged 30.3% lower than the peak scores attained by the group leaders. This isn't a great result which indicates that there are much faster alternatives on the comparison list.

Strengths

Avg. Memory Latency 81.1Pts
Avg. Single Core Speed 95.5Pts

Good consistency

The range of scores (95th - 5th percentile) for the Intel Core i7-3940XM is 26.1%. This is a relatively narrow range which indicates that the Intel Core i7-3940XM performs reasonably consistently under varying real world conditions.

Weaknesses

Avg. Multi Core Speed 459Pts
Avg. Octa Core Speed 455Pts
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Average Bench

(Based on 2,187 samples)
Rank 40569.6%
Min Avg Max
68 Memory 81.1 90.1
48.7 1-Core 95.5 110
87.8 2-Core 183 211
69.4% 120 Pts
Min Avg Max
162 4-Core 318 394
163 8-Core 455 522
48.4% 387 Pts
Min Avg Max
209 64-Core 459 524
28.4% 459 Pts
User Benchmarks BenchNormalHeavyServer
The fastest CPU (mainstream) averages a speed of 100%
SOCKET 0, 1 CPU, 4 cores, 8 threads
Base clock 3.2 GHz, turbo 3.7 GHz (avg)
78.8% Very good
Memory 87.7
1-Core 97.5
2-Core 195
73% 127 Pts
4-Core 386
8-Core 495
56% 441 Pts
64-Core 495
31% 495 Pts
U3E1, 1 CPU, 4 cores, 8 threads
Base clock 3.2 GHz, turbo 3.2 GHz (avg)
74.4% Very good
Memory 89.6
1-Core 84.4
2-Core 168
68% 114 Pts
4-Core 326
8-Core 432
48% 379 Pts
64-Core 429
27% 429 Pts
SOCKET 0, 1 CPU, 4 cores, 8 threads
Base clock 3.2 GHz, turbo 3.7 GHz (avg)
69.5% Good
Memory 80.6
1-Core 95.9
2-Core 188
70% 122 Pts
4-Core 316
8-Core 478
49% 397 Pts
64-Core 483
30% 483 Pts
SOCKET 0, 1 CPU, 4 cores, 8 threads
Base clock 3.2 GHz, turbo 3.4 GHz (avg)
68.6% Good
Memory 84.9
1-Core 92.8
2-Core 184
70% 121 Pts
4-Core 286
8-Core 402
43% 344 Pts
64-Core 398
25% 398 Pts
U3E1, 1 CPU, 4 cores, 8 threads
Base clock 3.2 GHz, turbo 3 GHz (avg)
66.1% Good
Memory 84
1-Core 78.4
2-Core 145
62% 103 Pts
4-Core 269
8-Core 342
39% 306 Pts
64-Core 396
24% 396 Pts
SOCKET 0, 1 CPU, 4 cores, 8 threads
Base clock 3.2 GHz, turbo 3.3 GHz (avg)
64.5% Good
Memory 79.6
1-Core 92.8
2-Core 175
67% 116 Pts
4-Core 268
8-Core 414
42% 341 Pts
64-Core 415
26% 415 Pts
U3E1, 1 CPU, 4 cores, 8 threads
Base clock 3.2 GHz, turbo 3.55 GHz (avg)
63.5% Good
Memory 71.4
1-Core 96.1
2-Core 177
66% 115 Pts
4-Core 303
8-Core 420
46% 362 Pts
64-Core 392
24% 392 Pts
2,187 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 67,719,241 CPUs tested

 Prices

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AmazonUS $34411 mins
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Typical Core i7-3940XM Builds (Compare 670 builds) See popular component choices, score breakdowns and rankings
Gaming
Gaming 8%
Tree trunk
Desktop
Desktop 65%
Destroyer
Workstation
Workstation 7%
Tree trunk

System: Alienware M17xR4

CPU
Core i7-3940XMIntel  $344Bench 70%, 2,187 samples1x
GPU
HD 4000 (Mobile 1.25 GHz)IntelBench 3%, 409,110 samples355x
GTX 660MNvidiaBench 7%, 7,381 samples83x
GTX 680MNvidiaBench 19%, 1,365 samples76x
SSD
850 Evo 250GBSamsung  $100Bench 103%, 951,591 samples25x
860 Evo 500GBSamsung  $80Bench 105%, 762,998 samples21x
MX500 1TBCrucial  $66Bench 106%, 202,785 samples16x
RAM
NT4GC64B8HG0NS-DI 4x4GBNanyaBench 52%, 422 samples40x
HMT351S6CFR8C-PB 2x4GBHynixBench 50%, 25,458 samples19x
NT4GC64B8HG0NS-DI 2x4GBNanyaBench 51%, 5,366 samples19x
EDIT WITH CUSTOM PC BUILDER Value: 54% - Above average Total price: $444

Popular Core i7-3940XM systems:

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Processor Rankings (Price vs Performance) April 2024 CPU Rankings

We calculate effective speed which measures real world performance for typical users. Effective speed is adjusted by current prices to yield a value for money rating. Our calculated values are checked against thousands of individual user ratings. The customizable table below combines these factors to bring you the definitive list of top CPUs. [CPUPro]

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Group Test Results

  • Best user rated - User sentiment trumps benchmarks for this comparison.
  • Best value for money - Value for money is based on real world performance.
  • Fastest real world speed - Real World Speed measures performance for typical consumers.

 Specifications

Essentials

DescriptionIntel® Core™ i7-3940XM Processor Extreme Edition (8M Cache, up to 3.90 GHz)
Code NameIvy Bridge
Launch DateQ3'12
Processor Numberi7-3940XM
# of Cores4
# of Threads8
Cache8 MB SmartCache
Instruction Set64-bit
Instruction Set ExtensionsAVX
Embedded Options AvailableNo
Lithography22 nm
Recommended Price$1096.00
Clock Speed3 GHz
Max Turbo Frequency3.9 GHz
Bus Speed5 GT/s DMI
Max TDP55 W

Graphics

Processor GraphicsIntel® HD Graphics 4000
Graphics Base Frequency650 MHz
Graphics OutputeDP/DP/HDMI/SDVO/CRT
Wireless DisplayYes
# of Displays Supported3
Graphics Max Dynamic Frequency1.35 GHz
Quick Sync VideoYes
InTru 3D TechYes
Clear Video HD TechYes
Intel InsiderYes
Flexible Display InterfaceYes

Memory

Max Memory Size32 GB
Memory TypesDDR3/L/-RS 1333/1600
Memory Channels2
Memory Bandwidth25.6 GB/s
ECC Memory SupportedNo

Expansion Options

PCI Express Revision3.0
PCI Express Configurations1x16, 2x8, 1x8 2x4
Max # of PCI Express Lanes16

Data Protection

AES New InstructionsYes

Advanced Technologies

Virtualization Tech (VT-x)Yes
Intel 64Yes
Idle StatesYes
Enhanced Intel SpeedStep® TechYes
Thermal Monitoring TechnologiesYes
Turbo Boost Tech2.0
Hyper-Threading TechYes
Virtualization for Directed I/O (VT-d)Yes
VT-x with Extended Page Tables (EPT)Yes
Demand Based SwitchingNo
vPro TechYes
Identity Protection TechYes
Fast Memory AccessYes
Flex Memory AccessYes
My WiFi TechYes
4G WiMAX Wireless TechYes

Package

Package Size37.5 x 37.5mm (rPGA988B)
Graphics and IMC Lithography22 nm
Max CPU Configuration1
Sockets SupportedFCPGA988

Platform Protection

Execute Disable BitYes
Trusted Execution TechYes
Anti-Theft TechYes

 Comments

Added n/a ago.
USA-User
Avatar level
9,834

Excellent (edit your comment) Add link

21 months ago.

POL-User
Avatar level
4,564

Excellent

5 years ago.

I have my 3940xm running in Clevo p150em together with r9 m290x. Great setup, i can play most of new titles in decent quality.

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opinion?
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Age: 10 years

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See how consistently different CPUs perform with varying real world conditions. The charts also illustrate overall performance, popularity and rank.

 Frequently Asked Questions

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ALL FAQs »

 Best User Rated
The Best.
CPUGPUSSD
Intel Core i5-13600K $279Nvidia RTX 4060 $300Crucial MX500 250GB $40
Intel Core i5-12400F $125Nvidia RTX 4060-Ti $385Samsung 850 Evo 120GB $80
Intel Core i5-12600K $182Nvidia RTX 4070 $409Samsung 860 Evo 250GB $52
HDDRAMUSB
Seagate Barracuda 1TB (2016) $39Corsair Vengeance LPX DDR4 3200 C16 2x8GB $40SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $30Corsair Vengeance LPX DDR4 3000 C15 2x8GB $43SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $51G.SKILL Trident Z DDR4 3200 C14 4x16GB $351SanDisk Ultra Fit 32GB $16
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