TEST
YOUR CPU
ADD TO PC
BUILD

Intel

Core i7-3840QM

▲ 5267 ▼

4 Cores, 8 Threads @2.8 GHz, Ivy Bridge.
Release date ≤ Q4 2013.

Average Bench: 66.1% (480th of 1442)

Based on 3,981 user benchmarks.  Device: BFEBFBFF000306A9 Model: Intel(R) Core(TM) i7-3840QM CPU @ 2.80GHz
Poor: 40%Average: 66.1% Great: 76%
Gaming
Gaming 66%
Battle cruiser
Desktop
Desktop 69%
Battle cruiser
Workstation
Workstation 52%
Yacht

Popular builds with this CPU

Above average average bench

The Intel Core i7-3840QM averaged 33.9% 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 79.3Pts
Avg. Single Core Speed 85.3Pts

Above average consistency

The range of scores (95th - 5th percentile) for the Intel Core i7-3840QM is 35.3%. This is a relatively wide range which indicates that the Intel Core i7-3840QM performs inconsistently under varying real world conditions.

Weaknesses

Avg. Multi Core Speed 423Pts
Avg. Octa Core Speed 419Pts
ADVERTISEMENT

Average Bench

(Based on 3,981 samples)
Rank 48066.1%
Min Avg Max
61.5 Memory 79.3 88.4
30.4 1-Core 85.3 101
58.7 2-Core 165 197
64.5% 110 Pts
Min Avg Max
98.5 4-Core 288 372
154 8-Core 419 498
44.2% 353 Pts
Min Avg Max
157 64-Core 423 498
26.2% 423 Pts
User Benchmarks BenchNormalHeavyServer
The fastest CPU (mainstream) averages a speed of 100%
SOCKET 0, 1 CPU, 4 cores, 8 threads
Base clock 2.8 GHz, turbo 3.6 GHz (avg)
75.3% Very good
Memory 86.9
1-Core 95.5
2-Core 190
72% 124 Pts
4-Core 358
8-Core 428
51% 393 Pts
64-Core 469
29% 469 Pts
U3E1, 1 CPU, 4 cores, 8 threads
Base clock 2.8 GHz, turbo 3.6 GHz (avg)
73.8% Very good
Memory 81.2
1-Core 96
2-Core 189
70% 122 Pts
4-Core 365
8-Core 479
54% 422 Pts
64-Core 481
30% 481 Pts
U3E1, 1 CPU, 4 cores, 8 threads
Base clock 2.8 GHz, turbo 3.6 GHz (avg)
72.2% Very good
Memory 83.6
1-Core 94.6
2-Core 188
71% 122 Pts
4-Core 329
8-Core 474
50% 402 Pts
64-Core 456
28% 456 Pts
U3E1, 1 CPU, 4 cores, 8 threads
Base clock 2.8 GHz, turbo 3.4 GHz (avg)
71.9% Very good
Memory 91.3
1-Core 87.4
2-Core 152
67% 110 Pts
4-Core 285
8-Core 449
45% 367 Pts
64-Core 447
28% 447 Pts
CPU Socket - U3E1, 1 CPU, 4 cores, 8 threads
Base clock 2.8 GHz, turbo 3.6 GHz (avg)
71.1% Very good
Memory 76.8
1-Core 94.7
2-Core 190
69% 121 Pts
4-Core 358
8-Core 484
53% 421 Pts
64-Core 485
30% 485 Pts
SOCKET 0, 1 CPU, 4 cores, 8 threads
Base clock 2.8 GHz, turbo 3.6 GHz (avg)
69.9% Good
Memory 81.7
1-Core 94.5
2-Core 190
70% 122 Pts
4-Core 314
8-Core 481
49% 397 Pts
64-Core 483
30% 483 Pts
U3E1, 1 CPU, 4 cores, 8 threads
Base clock 2.8 GHz, turbo 2.45 GHz (avg)
64% Good
Memory 79.9
1-Core 92.8
2-Core 124
62% 99.1 Pts
4-Core 279
8-Core 282
37% 280 Pts
64-Core 294
18% 294 Pts
CPU Socket - U3E1, 1 CPU, 4 cores, 8 threads
Base clock 2.8 GHz, turbo 2.75 GHz (avg)
54.3% Above average
Memory 59.3
1-Core 66.2
2-Core 166
54% 97.1 Pts
4-Core 275
8-Core 338
40% 306 Pts
64-Core 337
21% 337 Pts
CPU Socket - U3E1, 1 CPU, 4 cores, 8 threads
Base clock 2.8 GHz, turbo 1.2 GHz (avg)
40% Below average
Memory 58.6
1-Core 31.7
2-Core 63.1
34% 51.1 Pts
4-Core 120
8-Core 156
18% 138 Pts
64-Core 158
10% 158 Pts
3,981 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 67,763,253 CPUs tested

 Prices

If you buy via one of these links, our site may earn a commission

AmazonUS $54912 mins
Send price feedback
Custom PC Builder (Start a new build) Build your perfect PC: compare component prices, popularity, speed and value for money

CHOOSE A COMPONENT:

CPU GPU SSD HDD RAM MBD
Typical Core i7-3840QM Builds (Compare 465 builds) See popular component choices, score breakdowns and rankings
Gaming
Gaming 8%
Tree trunk
Desktop
Desktop 61%
Destroyer
Workstation
Workstation 8%
Tree trunk

System: Dell Precision M4700

CPU
Core i7-3840QMIntel  $549Bench 66%, 3,981 samples112x
GPU
HD 4000 (Mobile 1.25 GHz)IntelBench 3%, 409,110 samples176x
Quadro K2000MNvidiaBench 6%, 4,288 samples137x
Quadro K1000MNvidiaBench 3%, 4,204 samples86x
SSD
PM830 mSATA 256GBSamsungBench 63%, 9,379 samples30x
MX500 1TBCrucial  $66Bench 106%, 202,785 samples13x
860 Evo 500GBSamsung  $80Bench 105%, 762,998 samples12x
RAM
X7C75G-HYC 4x4GBKingstonBench 60%, 524 samples32x
M471B1G73BH0-CK0 2x8GBSamsungBench 51%, 1,654 samples15x
X7C75G-HYC 2x4GBKingstonBench 58%, 334 samples11x
EDIT WITH CUSTOM PC BUILDER Value: 55% - Above average Total price: $549

Popular Core i7-3840QM systems:

How Fast Is Your CPU? (Bench your build) Size up your PC in less than a minute

Welcome to our PC speed test tool. UserBenchmark will test your PC and compare the results to other users with the same components. You can quickly size up your PC, identify hardware problems and explore the best value for money upgrades.

UserBenchmark of the month

Gaming Desktop ProGaming

How it works

  • - Download and run UserBenchmark
  • - CPU tests include: integer, floating and string
  • - GPU tests include: six 3D game simulations
  • - Drive tests include: read, write, sustained write and mixed IO
  • - RAM tests include: single/multi core bandwidth and latency
  • - SkillBench (space shooter) tests user input accuracy
  • - Reports are generated and presented on userbenchmark.com
  • - Identify the strongest components in your PC
  • - See speed test results from other users
  • - Compare your components to the current market leaders
  • - Explore your best upgrade options with a virtual PC build
  • - Compare your in-game FPS to other users with your hardware
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]

ADVERTISEMENT

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™ i7-3840QM Processor (8M Cache, up to 3.80 GHz)
Code NameIvy Bridge
Launch DateQ3'12
Processor Numberi7-3840QM
# of Cores4
# of Threads8
Cache8 MB SmartCache
Instruction Set64-bit
Instruction Set ExtensionsAVX
Embedded Options AvailableNo
Lithography22 nm
Recommended Price$568.00
Clock Speed2.8 GHz
Max Turbo Frequency3.8 GHz
Bus Speed5 GT/s DMI
Max TDP45 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 Frequency1.3 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
Secure KeyYes

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); 31.0 x 24.0mm (BGA1224)
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
9,840

Excellent (edit your comment) Add link

16 months ago.

Your
opinion?
▲Like ▼Dislike
Ready to retire
Age: 10 years

Speed Comparisons

vs Intel Core i5-13600K
vs Intel Core i5-12400F
vs Intel Core i5-12600K
vs Intel Core i3-12100F
vs Intel Core i7-13700K
vs Intel Core i9-13900K
vs AMD Ryzen 5 3600
vs AMD Ryzen 5 5600X
vs Intel Core i7-11700K

1442 Processors (Compared) Thousands of user benchmarks compiled into one comparison list

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

 Frequently Asked Questions

Processors FAQ
AMD vs Intel: Gaming performance 2012-2021
How does IPC compare between AMD's Ryzen and Intel's Kaby Lake?
What is multi core mixed speed?
What is multi core integer speed?
What is multi core floating point speed?
What is single core mixed CPU speed?
What is quad core mixed CPU speed?
What is quad core floating point speed?
What is quad core integer speed?
What is single core floating point speed?
What is single core integer speed?
What is the GeekBench single core score?
What is a CPU?
What is the effective CPU speed index?
What is overclocking?
What is thermal design power (TDP)?
ALL FAQs »

 Best User Rated
The Best.
CPUGPUSSD
Intel Core i5-13600K $269Nvidia RTX 4060 $295Crucial MX500 250GB $40
Intel Core i5-12400F $133Nvidia RTX 4060-Ti $385Samsung 850 Evo 120GB $80
Intel Core i5-12600K $178Nvidia RTX 4070 $539Samsung 860 Evo 250GB $52
HDDRAMUSB
Seagate Barracuda 1TB (2016) $39Corsair Vengeance LPX DDR4 3200 C16 2x8GB $45SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $37Corsair 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
If you make a purchase via one of these links, our site may earn a commission
Today's hottest
Amazon Ebay
deals
CPU GPU SSD HDD USB RAM MBD
Build Test EFps
Can You Run It?
►
YouTube
*NEW*
About  •  User Guide  •  FAQs  •  Email  •  Privacy  •  Developer  •  YouTube Feedback