Intel Core i7 4820K 

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

CPUBoss Review Our evaluation of the Intel Core i7 4820K

Performance

Benchmark performance using all cores

Core i7 4820K
7.8
Cinebench R10 32-bit, Passmark, GeekBench (32-bit) and GeekBench (64-bit)

Single-core Performance

Individual core benchmark performance

Core i7 4820K
9.0
Cinebench R10 32-bit (1-core) and Passmark (Single Core)

Overclocking

How much speed can you get out of the processor?

Core i7 4820K
8.6
Passmark (Overclocked), Unlocked, Maximum Overclocked Clock Speed (Air) and 1 more

Value

Are you paying a premium for performance?

Core i7 4820K
6.8
Performance Per Dollar

8.2

CPUBoss Score

Performance, Single-core Performance, Overclocking and Value

Core i7 4820K
8.2

Benchmarks Real world tests of the Intel Core i7 4820K

GeekBench (32-bit) Data courtesy Primate Labs

Core i7 4820K
13,645
Core i7 5820K
20,562
Core i7 4930K
20,234

3D Mark 11 (Physics)

Core i7 4820K
11,580
FX 9590
8,529

Cinebench R10 32-Bit

Core i7 4820K
27,033
Core i7 4930K
37,364
Core i7 5820K
36,273

Cinebench R10 32-Bit (Single Core)

Core i7 4820K
6,911
FX 9590
4,905
Core i7 3820
5,006

Passmark

Core i7 4820K
9,828
Core i7 4930K
13,085
Core i7 5820K
12,915

Passmark (Single Core)

Core i7 4820K
2,009
FX 9590
1,719

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 10.73 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 4.62 GHz
Overclocked clock speed (Water) 4.7 GHz
PassMark (Overclocked) 5,294.9
Overclocked clock speed (Air) 4.62 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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