Intel Core i7 875K 

Released April, 2010
  • 2.93 GHz
  • Quad core
  • Unlocked
3.7 Out of 10

CPUBoss Review Our evaluation of the Intel Core i7 875K among desktop CPUs (over 75W)

Performance

Benchmark performance using all cores
Core i7 875K
6.0
Core i7 880
5.5
Core i7 870
5.1
PCMark 8 Home 3.0 Accelerated, PassMark and 1 more

Single-core Performance

Individual core benchmark performance
Core i7 875K
2.2
Core i7 880
2.2
Core i7 870
1.6
PassMark (Single Core), Geekbench 3 Single Core and 1 more

Integrated Graphics

Integrated GPU performance for graphics
Core i7 875K
0.0
Core i7 880
0.0
Core i7 870
0.0
Fire Strike

Integrated Graphics (OpenCL)

Integrated GPU performance for parallel computing
Core i7 875K
0.0
Core i7 880
0.0
Core i7 870
0.0
CompuBench 1.5 Bitcoin mining and 4 more

Performance per Watt

How efficiently does the processor use electricity?
Core i7 875K
4.4
Core i7 880
4.3
Core i7 870
4.1
Fire Strike, CompuBench 1.5 Bitcoin mining and 11 more

Value

Are you paying a premium for performance?
Core i7 875K
n.d.
Core i7 880
n.d.
Core i7 870
n.d.
Fire Strike, CompuBench 1.5 Bitcoin mining and 11 more
3.7

CPUBoss Score

Combination of all six facets
Core i7 875K
3.7
Core i7 880
3.6
Core i7 870
3.3

Benchmarks Real world tests of the Intel Core i7 875K

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Core i7 875K
9,946
Core i7 870
8,046
Core i7 880
8,338

GeekBench 3 (Single core) Data courtesy Primate Labs

Core i7 875K
2,349
Core i7 880
2,238
Core i7 870
2,243

GeekBench 3 (AES single core) Data courtesy Primate Labs

Core i7 875K
160,300 MB/s
Core i7 870
142,100 MB/s
Core i7 880
147,950 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

Core i7 875K
8,035
Core i7 880
8,248
Core i7 870
7,874

GeekBench (64-bit) Data courtesy Primate Labs

Core i7 875K
9,329
Core i7 870
8,534
Core i7 880
n.d.

GeekBench

Core i7 875K
9,329
Core i7 870
10,143
Core i7 880
8,597

PassMark Data courtesy Passmark

Core i7 875K
5,464
Core i7 880
5,684
Core i7 870
5,398

PassMark (Single Core)

Core i7 875K
1,286
Core i7 880
1,347
Core i7 870
1,300

Reviews Word on the street for the Intel Core i7 875K

8.0
read review

Specifications Full list of technical specs

summary

Clock speed 2.93 GHz
Turbo clock speed 3.6 GHz
Cores Quad core
Socket type LGA 1156
Is unlocked Yes

features

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

power consumption

TDP 95W
Annual home energy cost 22.89 $/year
Annual commercial energy cost 83.22 $/year
Performance per watt 2.32 pt/W
Typical power consumption 77.19W

memory controller

Memory controller Built-in
Memory type
  1. DDR3-1333
  2. DDR3-1066
  3. DDR3
Channels Dual Channel
Supports ECC No
Maximum bandwidth 21,333.32 MB/s
Maximum memory size 16,384 MB

details

Architecture x86-64
Threads 8 threads
L2 cache 1 MB
L2 cache per core 0.25 MB/core
L3 cache 8 MB
L3 cache per core 2 MB/core
Manufacture process 45 nm
Transistor count 774,000,000
Max CPUs 1
Clock multiplier 22
Voltage range 0.65 - 1.4V
Operating temperature Unknown - 72.7°C

overclocking

Overclock popularity 13
Overclocked clock speed 4.1 GHz
Overclocked clock speed (Water) 4.09 GHz
Overclocked clock speed (Air) 4.1 GHz

integrated graphics

GPU None

bus

Architecture DMI
Number of links 1
Transfer rate 2,500 MT/s
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