Intel Core i5 661 

Released January, 2010
  • 3.33 GHz
  • Dual core

Benchmarks Real world tests of the Intel Core i5 661

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Core i5 661
4,966
Core i7 870
8,046
Core i5 750
6,025

GeekBench 3 (Single core) Data courtesy Primate Labs

Core i5 661
2,244
Core i5 750
2,013
Core i7 870
2,243

GeekBench 3 (AES single core) Data courtesy Primate Labs

Core i5 661
1,600,000 MB/s
Core i5 750
127,600 MB/s
Core i7 870
142,100 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

Core i5 661
4,874
Core i7 870
7,874
Core i5 750
5,656

GeekBench (64-bit) Data courtesy Primate Labs

Core i5 661
6,481
Core i7 870
8,534
Core i5 750
6,332

GeekBench

Core i5 661
6,481
Core i7 870
10,143
Core i5 750
7,570

PassMark Data courtesy Passmark

Core i5 661
3,184
Core i7 870
5,398
Core i5 750
3,711

PassMark (Single Core)

Core i5 661
1,324
Core i5 750
1,138
Core i7 870
1,300

Reviews Word on the street for the Intel Core i5 661

5.0
read review

Specifications Full list of technical specs

summary

Clock speed 3.33 GHz
Turbo clock speed 3.6 GHz
Cores Dual core
Socket type LGA 1156
Is unlocked No

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. SSE4
Supports dynamic frequency scaling Yes

power consumption

TDP 87W
Annual home energy cost 36.95 $/year
Annual commercial energy cost 96.71 $/year
Performance per watt 5.96 pt/W
Idle power consumption 67W
Peak power consumption 110.4W
Typical power consumption 99.55W

bus

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

details

Architecture x86-64
Threads 4 threads
L2 cache 1 MB
L2 cache per core 0.5 MB/core
L3 cache 4 MB
L3 cache per core 2 MB/core
Manufacture process 32 nm
Transistor count 382,000,000
Max CPUs 1
Clock multiplier 25
Voltage range 0.65 - 1.4V
Operating temperature Unknown - 69.8°C

overclocking

Overclocked clock speed 4.66 GHz
Overclocked clock speed (Water) 3.33 GHz
Overclocked clock speed (Air) 4.66 GHz

integrated graphics

GPU GPU
Label Intel® HD Graphics
Number of displays supported 2
GPU clock speed 900 MHz

memory controller

Memory controller Built-in
Memory type
  1. DDR3-1333
  2. DDR3-1066
  3. DDR3
Channels Dual Channel
Maximum bandwidth 21,333.32 MB/s
Maximum memory size 16,773.12 MB
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