TEST
YOUR CPU
ADD TO PC
BUILD

Intel

Core i7-3820

▲ 51192 ▼

4 Cores, 8 Threads @3.6 GHz, Sandy Bridge E.
Release date ≤ Q4 2013.

Average Bench: 73.1% (265th of 1316)

more Based on 40,454 user benchmarks.  Devices: BFEBFBFF000206D7, , 0FEBFBFF000206D7, BFEBFBFF000206D6, 1FABFBFF000206D7 Models: Intel(R) Core(TM) i7-3820 CPU @ 3.60GHz, Intel(R) Core(TM) i7-3820 CPU @ 3.60 GHz, Intel Core i7-3820 CPU @ 3.60GHz, Intel(R) Core(TM) i7-3820 CPU @ 3.60GHz
Poor: 64%Average: 73.1% Great: 82%
Gaming
Gaming 73%
Battleship
Desktop
Desktop 76%
Battleship
Workstation
Workstation 59%
Gunboat

Popular builds with this CPU

Good average bench

The Intel Core i7-3820 averaged 26.8% 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 85.8Pts
Avg. Single Core Mixed Speed 95.3Pts

Very good consistency

The range of scores (95th - 5th percentile) for the Intel Core i7-3820 is just 17.7%. This is a relatively narrow range which indicates that the Intel Core i7-3820 performs reasonably consistently under varying real world conditions.

Weaknesses

Avg. Multi Core Mixed Speed 490Pts
Avg. Octa Core Mixed Speed 485Pts
ADVERTISEMENT

Average Bench

(Based on 40,454 samples)
Rank 26573.1%
Min Avg Max
76.8 Memory 85.8 94.1
73.3 1-Core 95.3 114
153 2-Core 187 223
73% 123 Pts
Min Avg Max
256 4-Core 329 402
383 8-Core 485 578
52.4% 407 Pts
Min Avg Max
399 64-Core 490 580
32.9% 490 Pts
User Benchmarks Bench Normal Heavy Server
The fastest CPU (mainstream) averages a speed of 100%
LGA2011, 1 CPU, 4 cores, 8 threads
Base clock 3.6 GHz, turbo 3.65 GHz (avg)
85.8% Excellent
Memory 91.7
1-Core 124
2-Core 238
88% 151 Pts
4-Core 431
8-Core 632
68% 531 Pts
64-Core 635
43% 635 Pts
LGA2011, 1 CPU, 4 cores, 8 threads
Base clock 3.6 GHz, turbo 4.3 GHz (avg)
81.9% Excellent
Memory 91.6
1-Core 114
2-Core 224
84% 143 Pts
4-Core 389
8-Core 578
62% 483 Pts
64-Core 574
38% 574 Pts
LGA2011, 1 CPU, 4 cores, 8 threads
Base clock 3.5 GHz, turbo 3.5 GHz (avg)
77.5% Very good
Memory 86.7
1-Core 112
2-Core 216
81% 138 Pts
4-Core 368
8-Core 539
58% 454 Pts
64-Core 518
35% 518 Pts
SOCKET 0, 1 CPU, 4 cores, 8 threads
Base clock 3.6 GHz, turbo 3.65 GHz (avg)
76.1% Very good
Memory 88.3
1-Core 95.3
2-Core 188
74% 124 Pts
4-Core 346
8-Core 500
55% 423 Pts
64-Core 502
34% 502 Pts
CPU 1, 1 CPU, 4 cores, 8 threads
Base clock 3.6 GHz, turbo 3.7 GHz (avg)
75.2% Very good
Memory 80.2
1-Core 100
2-Core 198
74% 126 Pts
4-Core 387
8-Core 502
58% 444 Pts
64-Core 502
34% 502 Pts
CPUSocket, 1 CPU, 4 cores, 8 threads
Base clock 3.6 GHz, turbo 3.65 GHz (avg)
73.8% Very good
Memory 86.5
1-Core 95.9
2-Core 173
72% 119 Pts
4-Core 331
8-Core 478
52% 404 Pts
64-Core 477
32% 477 Pts
CPU 1, 1 CPU, 4 cores, 8 threads
Base clock 3.6 GHz, turbo 3.6 GHz (avg)
70.5% Very good
Memory 82.3
1-Core 95.1
2-Core 187
72% 121 Pts
4-Core 318
8-Core 473
51% 396 Pts
64-Core 477
32% 477 Pts
LGA2011, 1 CPU, 4 cores, 8 threads
Base clock 3.6 GHz, turbo 3.65 GHz (avg)
70.4% Very good
Memory 90.1
1-Core 93.7
2-Core 169
72% 118 Pts
4-Core 275
8-Core 410
44% 342 Pts
64-Core 444
30% 444 Pts
LGA2011, 1 CPU, 4 cores, 8 threads
Base clock 3.6 GHz, turbo 3.65 GHz (avg)
63.4% Good
Memory 82.2
1-Core 67.3
2-Core 138
59% 95.7 Pts
4-Core 243
8-Core 364
39% 303 Pts
64-Core 410
28% 410 Pts
40,454 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 46,345,276 CPUs tested.

 Prices

AmazonUS $3502 months
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 i7-3820 Builds (Compare 2,712 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 61%
Destroyer
Desktop
Desktop 79%
Battleship
Workstation
Workstation 50%
Yacht

Motherboard: Asus P9X79 - $300

CPU
Core i7-3820Intel  $350Bench 73%, 40,454 samples1,121x
GPU
GTX 1070Nvidia  $400Bench 80%, 1,236,286 samples166x
GTX 970Nvidia  $340Bench 50%, 705,600 samples166x
GTX 1060-6GBNvidia  $290Bench 57%, 1,230,572 samples159x
SSD
850 Evo 500GBSamsung  $120Bench 111%, 742,645 samples115x
850 Evo 250GBSamsung  $60Bench 106%, 857,473 samples98x
860 Evo 500GBSamsung  $80Bench 105%, 625,299 samples96x
RAM
HyperX DDR3 1600 C9 4x4GBKingstonBench 55%, 27,898 samples82x
Vengeance DDR3 1600 C9 4x4GBCorsairBench 53%, 18,736 samples74x
Savage DDR3 2400 C11 2x8GBHyperXBench 63%, 21,391 samples23x
EDIT WITH CUSTOM PC BUILDER Value: 52% - Above average Total price: $1,170

Popular Core i7-3820 compatible motherboards:

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

Welcome to our freeware 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 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) September 2021 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™ i7-3820 Processor (10M Cache, up to 3.80 GHz)
Code NameSandy Bridge E
Launch DateQ1'12
Processor Numberi7-3820
# of Cores4
# of Threads8
Cache10 MB SmartCache
Instruction Set64-bit
Instruction Set ExtensionsSSE4.2, AVX, AES
Embedded Options AvailableNo
Lithography32 nm
VID Voltage Range0.600V – 1.350V
Recommended PriceN/A
Clock Speed3.6 GHz
Max Turbo Frequency3.8 GHz
Bus Speed5 GT/s DMI2
Max TDP130 W

Memory

Max Memory Size64 GB
Memory TypesDDR3 1066/1333/1600
Memory Channels4
Memory Bandwidth51.2 GB/s
ECC Memory SupportedNo

Expansion Options

PCI Express Revision2.0
Max # of PCI Express Lanes40

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 TechNo
Identity Protection TechYes
Smart Response TechYes

Package

Package Size52.5mm x 45.0mm
Max CPU Configuration1

Platform Protection

Execute Disable BitYes
Trusted Execution TechNo

 Comments

Added n/a ago.
USA-User
Avatar level
8,090

Excellent (edit your comment) Add link

8 months ago.

AUS-User
Avatar level
3,314

Good

12 months ago.

Done an amazing job for 5 years. Still plays CPU intensive games with no problem.

ARG-User
Avatar level
2,860

Excellent

2 years ago.

i love this processador !! i have 4700 ghz

ZAF-User
Avatar level
2,324

Excellent

3 years ago.

Bought this at launch and still have it. I've upgraded my graphics card twice in that time and this processor keeps on delivering so never saw the the need to upgrade the cpu. Maybe in another 3 years I will need to but for now...it's still great.

SVK-User
Avatar level
2,098

Average

2 years ago.

...but old, i7 8700k more faster

DNK-User
Avatar level
1,888

Good

5 months ago.

Also bought this at launch and still running it, but it seems that it's time to upgrade it, my setup is starting to bottleneck with this at the moment...

Your
opinion?
▲Like ▼Dislike
Ready to retire
Age: 7 years

Speed Comparisons

vs Intel Core i5-11600K
vs Intel Core i5-11400F
vs Intel Core i7-11700K
vs Intel Core i5-10400F
vs Intel Core i5-10600K
vs Intel Core i7-10700K
vs AMD Ryzen 5 5600X
vs AMD Ryzen 5 3600
vs AMD Ryzen 7 3700X

1316 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 i5-11600K $270Nvidia RTX 3060-Ti $400Crucial MX500 250GB $45
Intel Core i5-11400F $260Nvidia RTX 3070 $500Samsung 850 Evo 120GB $183
Intel Core i7-11700K $346Nvidia RTX 3080 $700Samsung 860 Evo 250GB $52
HDDRAMUSB
Seagate Barracuda 1TB (2016) $40Corsair Vengeance LPX DDR4 3200 C16 2x8GB $78SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $35Corsair Vengeance LPX DDR4 3000 C15 2x8GB $77SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $649SanDisk Ultra Fit 32GB $16
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