Intel Core i7 4820K 

Released July, 2013
  • 3.7 GHz
  • Quad core
  • Unlocked
5.9 Out of 10

CPUBoss Review Our evaluation of the Intel Core i7 4820K among desktop CPUs (over 75W)

Performance

Benchmark performance using all cores

Core i7 4820K
7.9
PCMark 8 Home 3.0 Accelerated, PassMark and 1 more

Single-core Performance

Individual core benchmark performance

Core i7 4820K
8.1
PassMark (Single Core), Geekbench 3 Single Core and 1 more

Integrated Graphics

Integrated GPU performance for graphics

Core i7 4820K
0.0
Fire Strike

Integrated Graphics (OpenCL)

Integrated GPU performance for parallel computing

Core i7 4820K
0.0
CompuBench 1.5 Bitcoin mining and 4 more

Performance per Watt

How efficiently does the processor use electricity?

Core i7 4820K
5.8
Fire Strike, CompuBench 1.5 Bitcoin mining and 11 more

Value

Are you paying a premium for performance?

Core i7 4820K
5.7
Fire Strike, CompuBench 1.5 Bitcoin mining and 11 more

5.9

CPUBoss Score

Combination of all six facets

Core i7 4820K
5.9

Benchmarks Real world tests of the Intel Core i7 4820K

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Core i7 4820K
13,311
Core i7 4790K
15,490
Core i7 4770K
14,184

GeekBench 3 (Single core) Data courtesy Primate Labs

Core i7 4820K
3,291

GeekBench 3 (AES single core) Data courtesy Primate Labs

Core i7 4820K
2,500,000 MB/s
Core i7 4790K
5,140,000 MB/s
Core i7 4770K
4,810,000 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

Core i7 4820K
13,645
Core i7 4790K
15,476
Core i7 4770K
14,351

GeekBench (64-bit) Data courtesy Primate Labs

Core i7 4820K
14,931
Core i7 4790K
16,653
Core i7 4770K
15,778

GeekBench

Core i7 4820K
14,931
Core i7 4770K
18,498
Core i7 4790K
16,653

PassMark Data courtesy Passmark

Core i7 4820K
9,828
Core i7 4790K
11,244
Core i7 4770K
10,016

PassMark (Single Core)

Core i7 4820K
2,009

Specifications Full list of technical specs

summary

Clock speed 3.7 GHz
Turbo clock speed 3.9 GHz
Cores Quad core
Is unlocked Yes

features

Has a NX bit Yes
Supports trusted computing No
Has virtualization support Yes
Instruction set extensions
  1. MMX
  2. AES
  3. SSE
  4. SSE2
  5. SSE4.1
  6. SSE3
  7. Supplemental SSE3
  8. SSE4.2
  9. AVX
  10. SSE4
Supports dynamic frequency scaling Yes

power consumption

TDP 130W
Annual home energy cost 31.32 $/year
Annual commercial energy cost 113.88 $/year
Performance per watt 8.68 pt/W
Typical power consumption 105.63W

bus

Architecture DMI 2.0
Transfer rate 5,000 MT/s

details

Architecture x86-64
Threads 8 threads
L2 cache 1 MB
L2 cache per core 0.25 MB/core
L3 cache 10 MB
L3 cache per core 2.5 MB/core
Manufacture process 22 nm
Max CPUs 1
Operating temperature Unknown - 66.8°C

overclocking

Overclocked clock speed 4.63 GHz
Overclocked clock speed (Water) 4.71 GHz
PassMark (Overclocked) 5,294.9
Overclocked clock speed (Air) 4.63 GHz

integrated graphics

GPU None

memory controller

Memory controller Built-in
Memory type
  1. DDR3-1866
  2. DDR3-1600
  3. DDR3-1333
  4. DDR3
Channels Quad Channel
Supports ECC No
Maximum bandwidth 59,733.32 MB/s
Maximum memory size 65,536 MB
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