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Intel

Core i7-3820

▲ 52231 ▼

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

Average Bench: 69.5% (409th of 1442)

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

Popular builds with this CPU

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)
Rank 40969.5%
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 BenchNormalHeavyServer
The fastest CPU (mainstream) averages a speed of 100%
CPU 1, 1 CPU, 4 cores, 8 threads
Base clock 3.6 GHz, turbo 3.65 GHz (avg)
78.3% Very good
Memory 92.5
1-Core 96.6
2-Core 194
75% 128 Pts
4-Core 353
8-Core 472
52% 413 Pts
64-Core 472
29% 472 Pts
LGA2011, 1 CPU, 4 cores, 8 threads
Base clock 3.6 GHz, turbo 3.7 GHz (avg)
77.1% Very good
Memory 86.7
1-Core 93.5
2-Core 185
71% 122 Pts
4-Core 371
8-Core 494
55% 432 Pts
64-Core 495
31% 495 Pts
LGA2011, 1 CPU, 4 cores, 8 threads
Base clock 3.6 GHz, turbo 3.65 GHz (avg)
76.3% Very good
Memory 83.4
1-Core 96.8
2-Core 194
72% 125 Pts
4-Core 384
8-Core 482
56% 433 Pts
64-Core 483
30% 483 Pts
LGA2011, 1 CPU, 4 cores, 8 threads
Base clock 3.6 GHz
75% Very good
Memory 82.8
1-Core 97.1
2-Core 191
71% 124 Pts
4-Core 371
8-Core 477
54% 424 Pts
64-Core 400
25% 400 Pts
LGA2011, 1 CPU, 4 cores, 8 threads
Base clock 3.6 GHz, turbo 3.5 GHz (avg)
74.4% Very good
Memory 93.5
1-Core 88.2
2-Core 169
70% 117 Pts
4-Core 300
8-Core 434
46% 367 Pts
64-Core 435
27% 435 Pts
CPU 1, 1 CPU, 4 cores, 8 threads
Base clock 3.6 GHz, turbo 3.65 GHz (avg)
71.2% Very good
Memory 87.2
1-Core 91.8
2-Core 182
71% 121 Pts
4-Core 299
8-Core 449
46% 374 Pts
64-Core 447
28% 447 Pts
CPU 1, 1 CPU, 4 cores, 8 threads
Base clock 3.6 GHz, turbo 3.4 GHz (avg)
71% Very good
Memory 90.3
1-Core 83.9
2-Core 159
67% 111 Pts
4-Core 280
8-Core 403
43% 341 Pts
64-Core 398
25% 398 Pts
SOCKET 0, 1 CPU, 4 cores, 8 threads
Base clock 3.6 GHz, turbo 3.65 GHz (avg)
66% Good
Memory 76.7
1-Core 63.9
2-Core 177
60% 106 Pts
4-Core 299
8-Core 444
46% 371 Pts
64-Core 445
28% 445 Pts
LGA2011, 1 CPU, 4 cores, 8 threads
Base clock 3.6 GHz, turbo 2.25 GHz (avg)
58.1% Above average
Memory 84.4
1-Core 62.4
2-Core 121
56% 89.1 Pts
4-Core 176
8-Core 243
26% 209 Pts
64-Core 232
14% 232 Pts
38,674 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 67,739,233 CPUs tested

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 1,700 builds) See popular component choices, score breakdowns and rankings
Gaming
Gaming 58%
Gunboat
Desktop
Desktop 77%
Battleship
Workstation
Workstation 47%
Yacht

Motherboard: Asus P9X79 - $300

CPU
Core i7-3820IntelBench 70%, 38,674 samples652x
GPU
GTX 1070Nvidia  $132Bench 80%, 1,459,281 samples96x
GTX 970Nvidia  $200Bench 49%, 834,238 samples85x
GTX 1060-6GBNvidia  $117Bench 56%, 1,368,019 samples84x
SSD
860 Evo 500GBSamsung  $80Bench 105%, 762,998 samples53x
850 Evo 250GBSamsung  $100Bench 103%, 951,591 samples52x
A400 240GBKingston  $28Bench 66%, 424,288 samples42x
RAM
HyperX DDR3 1600 C9 4x4GBKingstonBench 56%, 28,461 samples53x
Vengeance DDR3 1600 C9 4x4GBCorsairBench 53%, 20,667 samples38x
HyperX DDR3 1600 C10 2x8GBKingstonBench 50%, 19,207 samples27x
EDIT WITH CUSTOM PC BUILDER Value: 99% - Outstanding Total price: $512

Popular Core i7-3820 compatible motherboards:

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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.

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  • - RAM tests include: single/multi core bandwidth and latency
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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]

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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
9,836

Liked (edit your comment) Add link

4 months ago.

AUS-User
Avatar level
3,950

Good

3 years ago.

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

NLD-User
Avatar level
3,510

Excellent

5 months ago.

after 10 years you can still play games with it

ZAF-User
Avatar level
2,786

Good

7 days 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
2,450

Average

5 years ago.

...but old, i7 8700k more faster

DNK-User
Avatar level
2,212

Good

3 years 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...

41850796
Avatar level
10

Average

4 months ago.

Recommended if you need a basic laptop i7 cpu.

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Speed Comparisons

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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?
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ALL FAQs »

 Best User Rated
The Best.
CPUGPUSSD
Intel Core i5-13600K $274Nvidia RTX 4060 $295Crucial MX500 250GB $40
Intel Core i5-12400F $133Nvidia RTX 4060-Ti $385Samsung 850 Evo 120GB $80
Intel Core i5-12600K $184Nvidia 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
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