Average Bench: 69.5% (352nd of 1385)

more Based on 38,674 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: 56%Average: 69.5% Great: 80%
Gaming
Gaming 70%
Battle cruiser
Desktop
Desktop 73%
Battleship
Workstation
Workstation 55%
Gunboat

Above average average bench

The Intel Core i7-3820 averaged 30.4% 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 84.3Pts
Avg. Single Core Speed 90Pts

Good consistency

The range of scores (95th - 5th percentile) for the Intel Core i7-3820 is 23.6%. 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 Speed 444Pts
Avg. Octa Core Speed 432Pts
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Average Bench

(Based on 38,674 samples)
Min Avg Max
73.3 Memory 84.3 94.1
64.8 1-Core 90 110
129 2-Core 173 213
68.1% 116 Pts
Min Avg Max
204 4-Core 299 373
290 8-Core 432 534
45.7% 365 Pts
Min Avg Max
317 64-Core 444 547
27.5% 444 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 3.8 GHz (avg)
Memory 95.7
1-Core 98.8
2-Core 191
76% 129 Pts
4-Core 368
8-Core 472
54% 420 Pts
64-Core 471
29% 471 Pts
CPUSocket, 1 CPU, 4 cores, 8 threads
Base clock 3.6 GHz, turbo 3.65 GHz (avg)
Memory 90.2
1-Core 96.7
2-Core 191
74% 126 Pts
4-Core 292
8-Core 420
45% 356 Pts
64-Core 437
27% 437 Pts
LGA2011, 1 CPU, 4 cores, 8 threads
Base clock 3.6 GHz, turbo 3.8 GHz (avg)
Memory 83.4
1-Core 101
2-Core 202
74% 129 Pts
4-Core 306
8-Core 485
49% 396 Pts
64-Core 502
31% 502 Pts
SOCKET 0, 1 CPU, 4 cores, 8 threads
Base clock 3.6 GHz, turbo 3.7 GHz (avg)
Memory 80.2
1-Core 85.5
2-Core 185
67% 117 Pts
4-Core 318
8-Core 453
48% 385 Pts
64-Core 446
28% 446 Pts
SOCKET 0, 1 CPU, 4 cores, 8 threads
Base clock 5.9 GHz, turbo 5.85 GHz (avg)
Memory 90.5
1-Core 93.3
2-Core 170
70% 118 Pts
4-Core 247
8-Core 444
42% 345 Pts
64-Core 442
27% 442 Pts
LGA2011, 1 CPU, 4 cores, 8 threads
Base clock 3.6 GHz, turbo 3.65 GHz (avg)
Memory 85.6
1-Core 88.6
2-Core 159
67% 111 Pts
4-Core 270
8-Core 362
40% 316 Pts
64-Core 384
24% 384 Pts
LGA2011, 1 CPU, 4 cores, 8 threads
Base clock 3.6 GHz, turbo 3.65 GHz (avg)
Memory 43.3
1-Core 43.3
2-Core 82.1
34% 56.2 Pts
4-Core 132
8-Core 298
25% 215 Pts
64-Core 349
22% 349 Pts
38,674 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 58,831,490 CPUs tested.

 Prices

AmazonUS $20030 days
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Typical Core i7-3820 Builds (Compare 1,148 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 42%
Speed boat
Desktop
Desktop 77%
Battleship
Workstation
Workstation 35%
Sail boat

Motherboard: Asus P9X79 - $300

EDIT WITH CUSTOM PC BUILDER Value: 76% - Very good Total price: $705

Popular Core i7-3820 compatible motherboards:

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

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  • - 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) January 2023 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.

Good

2 years ago.

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


Excellent

4 years ago.

i love this processador !! i have 4700 ghz


Excellent

4 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.


Average

4 years ago.

...but old, i7 8700k more faster


Good

22 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?
1385 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

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