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Intel

Core i7-3820

▲ 56130 ▼

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

Average Bench: 62.1% (211th of 1206)

more Based on 25,215 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: 50%Average: 62.1% Great: 76%
Gaming
Gaming 62%
Destroyer
Desktop
Desktop 65%
Destroyer
Workstation
Workstation 43%
Speed boat

Popular builds with this CPU

Above average average bench

The Intel Core i7-3820 averaged 37.8% 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. Single Core Mixed Speed 96.6Pts
Avg. Dual Core Mixed Speed 190Pts

Good consistency

The range of scores (95th - 5th percentile) for the Intel Core i7-3820 is 25.6%. 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 491Pts
Avg. Octa Core Mixed Speed 483Pts
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Average Bench

(Based on 25,215 samples)
Rank 21162.1%
Min Avg Max
75.4 1-Core 96.6 116
149 2-Core 190 228
67.5% 143 Pts
Min Avg Max
256 4-Core 332 416
381 8-Core 483 587
52.7% 408 Pts
Min Avg Max
395 64-Core 491 589
33% 491 Pts
User Benchmarks Bench Normal Heavy Extreme
The fastest CPU (mainstream) averages a speed of 100%
LGA2011, 1 CPU, 4 cores, 8 threads
Base clock 3.6 GHz, turbo 3.6 GHz (avg)
78.9% Very good
1-Core 119
2-Core 223
81% 171 Pts
4-Core 437
8-Core 609
68% 523 Pts
64-Core 609
41% 609 Pts
LGA2011, 1 CPU, 4 cores, 8 threads
Base clock 3.6 GHz, turbo 4.2 GHz (avg)
69.9% Good
1-Core 111
2-Core 215
77% 163 Pts
4-Core 366
8-Core 569
60% 468 Pts
64-Core 571
38% 571 Pts
LGA2011, 1 CPU, 4 cores, 8 threads
Base clock 3.6 GHz
63.5% Good
1-Core 95.5
2-Core 196
68% 146 Pts
4-Core 346
8-Core 496
54% 421 Pts
64-Core 495
33% 495 Pts
CPU 1, 1 CPU, 4 cores, 8 threads
Base clock 3.6 GHz, turbo 3.65 GHz (avg)
63% Good
1-Core 97
2-Core 194
68% 146 Pts
4-Core 338
8-Core 482
53% 410 Pts
64-Core 482
32% 482 Pts
CPU 1, 1 CPU, 4 cores, 8 threads
Base clock 3.6 GHz, turbo 3.65 GHz (avg)
61.7% Good
1-Core 96.6
2-Core 192
68% 144 Pts
4-Core 326
8-Core 494
53% 410 Pts
64-Core 494
33% 494 Pts
CPU 1, 1 CPU, 4 cores, 8 threads
Base clock 3.6 GHz, turbo 3.65 GHz (avg)
60.7% Good
1-Core 98.2
2-Core 182
67% 140 Pts
4-Core 318
8-Core 431
49% 374 Pts
64-Core 493
33% 493 Pts
SOCKET 0, 1 CPU, 4 cores, 8 threads
Base clock 3.8 GHz, turbo 3.9 GHz (avg)
58.7% Above average
1-Core 97.5
2-Core 172
65% 135 Pts
4-Core 300
8-Core 463
49% 381 Pts
64-Core 470
32% 470 Pts
LGA2011, 1 CPU, 4 cores, 8 threads
Base clock 3.6 GHz, turbo 3.6 GHz (avg)
55.1% Above average
1-Core 83.2
2-Core 182
61% 132 Pts
4-Core 295
8-Core 424
46% 359 Pts
64-Core 473
32% 473 Pts
25,215 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 22,610,001 CPUs tested.

 Prices

AmazonUS $3904 mins
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CPU GPU SSD HDD RAM MBD
Typical Core i7-3820 Builds (Compare 4,209 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 89%
Aircraft carrier
Desktop
Desktop 65%
Destroyer
Workstation
Workstation 47%
Yacht

Motherboard: Asus P9X79 - $300

CPU
Core i7-3820Intel  $390Bench 62%, 25,215 samples1,855x
GPU
GTX 1080Nvidia  $540Bench 105%, 561,146 samples317x
GTX 1070Nvidia  $415Bench 78%, 671,944 samples309x
GTX 970Nvidia  $399Bench 52%, 506,553 samples301x
SSD
850 Evo 250GBSamsung  $55Bench 105%, 518,957 samples205x
850 Evo 500GBSamsung  $107Bench 112%, 375,272 samples193x
840 Evo 250GBSamsung  $100Bench 96%, 122,433 samples117x
RAM
HyperX DDR3 1600 C9 4x4GBKingstonBench 56%, 18,489 samples173x
Vengeance DDR3 1600 C9 4x4GBCorsairBench 53%, 12,233 samples89x
Vengeance LP DDR3 1600 C9 4x4GBCorsairBench 55%, 4,624 samples60x
EDIT WITH CUSTOM PC BUILDER Value: 49% - Average Total price: $1,285

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.

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How it works

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  • - CPU tests include: integer, floating and string.
  • - GPU tests include: six 3D game simulations.
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  • - RAM tests include: single/multi core bandwidth and latency.
  • - Reports are generated and presented on userbenchmark.com.
  • - Identify the strongest components in your PC.
  • - See speed test results from other users.
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  • - Share your opinion by voting.
Processor Rankings (Price vs Performance) December 2019 CPU Rankings.

We calculate effective speed which measures real world performance for typical gamers and desktop 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™ i7-3820 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
5,988

Liked (edit your comment) Add link

6 days ago.

AUS-User
Avatar level
2,528

Poor

10 months ago.

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

ARG-User
Avatar level
2,208

Excellent

12 months ago.

i love this processador !! i have 4700 ghz

ZAF-User
Avatar level
1,750

Excellent

22 months 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
1,682

Average

10 months ago.

...but old, i7 8700k more faster

DNK-User
Avatar level
1,538

Excellent

7 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...

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Speed Comparisons

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1206 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
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)?
What is the GeekBench score?
ALL FAQs »

 Best User Rated
The Best.
CPUGPUSSD
Intel Core i5-9400F $145Nvidia GTX 1660S (Super) $260Crucial MX500 250GB $45
Intel Core i5-9600K $200AMD RX 590 $180Samsung 850 Evo 120GB $58
Intel Core i7-9700K $369Nvidia GTX 1650S (Super) $160Samsung 850 Pro 512GB $230
HDDRAMUSB
Seagate Barracuda 1TB (2016) $35Corsair Vengeance LPX DDR4 3200 C16 2x8GB $65SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $38Corsair Vengeance LPX DDR4 3000 C15 2x8GB $63SanDisk Extreme 32GB $46
Seagate Barracuda 3TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $613SanDisk Extreme 16GB $24
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