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Intel

Core i7-3820

▲ 51189 ▼

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

Average Bench: 73.2% (265th of 1316)

more Based on 39,010 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: 63%Average: 73.2% 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 95.1Pts

Very good consistency

The range of scores (95th - 5th percentile) for the Intel Core i7-3820 is just 18.1%. 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 487Pts
Avg. Octa Core Mixed Speed 482Pts
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Average Bench

(Based on 39,010 samples)
Rank 26573.2%
Min Avg Max
75.3 Memory 85.8 93.9
72.4 1-Core 95.1 114
148 2-Core 186 226
72.9% 122 Pts
Min Avg Max
250 4-Core 329 396
373 8-Core 482 579
52.3% 406 Pts
Min Avg Max
395 64-Core 487 584
32.7% 487 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)
84.9% Excellent
Memory 95.6
1-Core 122
2-Core 242
89% 153 Pts
4-Core 401
8-Core 626
66% 513 Pts
64-Core 624
42% 624 Pts
SOCKET 0, 1 CPU, 4 cores, 8 threads
Base clock 3.6 GHz, turbo 3.8 GHz (avg)
75.7% Very good
Memory 95.6
1-Core 98.5
2-Core 185
77% 126 Pts
4-Core 303
8-Core 458
49% 380 Pts
64-Core 473
32% 473 Pts
LGA2011, 1 CPU, 4 cores, 8 threads
Base clock 3.6 GHz, turbo 3.65 GHz (avg)
72.7% Very good
Memory 90.7
1-Core 96.1
2-Core 157
71% 115 Pts
4-Core 298
8-Core 418
46% 358 Pts
64-Core 464
31% 464 Pts
CPUSocket, 1 CPU, 4 cores, 8 threads
Base clock 3.6 GHz, turbo 3.7 GHz (avg)
72% Very good
Memory 85.8
1-Core 97.4
2-Core 182
73% 122 Pts
4-Core 315
8-Core 457
50% 386 Pts
64-Core 481
32% 481 Pts
CPU 1, 1 CPU, 4 cores, 8 threads
Base clock 3.6 GHz, turbo 3.65 GHz (avg)
67.6% Good
Memory 80.7
1-Core 96.2
2-Core 186
71% 121 Pts
4-Core 295
8-Core 488
50% 391 Pts
64-Core 480
32% 480 Pts
CPUSocket, 1 CPU, 4 cores, 8 threads
Base clock 4.3 GHz, turbo 5.1 GHz (avg)
62.1% Good
Memory 85.2
1-Core 68.4
2-Core 123
59% 92.2 Pts
4-Core 211
8-Core 486
42% 348 Pts
64-Core 492
33% 492 Pts
39,010 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 44,035,708 CPUs tested.

 Prices

AmazonUS $35017 mins
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Custom PC Builder (Start a new build) Build your perfect PC: compare component prices, popularity, speed and value for money.

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CPU GPU SSD HDD RAM MBD
Typical Core i7-3820 Builds (Compare 2,451 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%, 39,010 samples1,022x
GPU
GTX 1070Nvidia  $400Bench 80%, 1,127,629 samples160x
GTX 970Nvidia  $340Bench 51%, 671,374 samples154x
GTX 1060-6GBNvidia  $290Bench 57%, 1,201,235 samples145x
SSD
850 Evo 500GBSamsung  $135Bench 112%, 684,094 samples109x
850 Evo 250GBSamsung  $100Bench 103%, 798,238 samples90x
860 Evo 500GBSamsung  $75Bench 106%, 605,938 samples87x
RAM
HyperX DDR3 1600 C9 4x4GBKingstonBench 55%, 23,651 samples78x
Vengeance DDR3 1600 C9 4x4GBCorsairBench 53%, 19,947 samples69x
RipjawsX DDR3 1600 C9 4x4GBG.SKILLBench 201%, 21,786 samples21x
EDIT WITH CUSTOM PC BUILDER Value: 52% - Above average Total price: $1,185

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

  • - 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.
  • - 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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  • - Explore your best upgrade options with a virtual PC build.
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  • - Share your opinion by voting.
Processor Rankings (Price vs Performance) June 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]

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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
7,888

Excellent (edit your comment) Add link

5 months ago.

AUS-User
Avatar level
3,230

Good

10 months ago.

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

ARG-User
Avatar level
2,808

Excellent

2 years ago.

i love this processador !! i have 4700 ghz

ZAF-User
Avatar level
2,246

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
2,078

Average

2 years ago.

...but old, i7 8700k more faster

DNK-User
Avatar level
1,858

Good

2 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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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?
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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 i5-11400F $220Nvidia RTX 3070 $500Crucial MX500 250GB $45
Intel Core i5-11600K $259Nvidia RTX 3060-Ti $400Samsung 850 Evo 120GB $78
Intel Core i7-10700K $293Nvidia RTX 3080 $700Samsung 860 Evo 250GB $52
HDDRAMUSB
Seagate Barracuda 1TB (2016) $45Corsair Vengeance LPX DDR4 3200 C16 2x8GB $79SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $35Corsair Vengeance LPX DDR4 3000 C15 2x8GB $92SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $649SanDisk Ultra Fit 32GB $16
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