Intel Core2 Quad Q8400 

Released April, 2009
  • 2.66 GHz
  • Quad core

Benchmarks Real world tests of the Intel Core2 Quad Q8400

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Core2 Quad Q8400
5,035

GeekBench 3 (Single core) Data courtesy Primate Labs

Core2 Quad Q8400
1,465

GeekBench 3 (AES single core) Data courtesy Primate Labs

Core2 Quad Q8400
113,900 MB/s
Core2 Quad Q6600
102,800 MB/s
Core2 Quad Q9400
114,000 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

Core2 Quad Q8400
4,623

GeekBench (64-bit) Data courtesy Primate Labs

Core2 Quad Q8400
5,191

GeekBench

Core2 Quad Q8400
6,816

PassMark Data courtesy Passmark

Core2 Quad Q8400
3,197

PassMark (Single Core)

Core2 Quad Q8400
1,126

Specifications Full list of technical specs

summary

Clock speed 2.66 GHz
Cores Quad core
Socket type LGA 775

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
Supports dynamic frequency scaling Yes

power consumption

TDP 95W
Annual home energy cost 51.39 $/year
Annual commercial energy cost 130.79 $/year
Performance per watt 0.94 pt/W
Idle power consumption 96W
Peak power consumption 149.3W
Typical power consumption 135.97W

details

Architecture x86-64
Threads 4 threads
L2 cache 4 MB
L2 cache per core 1 MB/core
Manufacture process 45 nm
Transistor count 456,000,000
Max CPUs 1
Clock multiplier 8
Voltage range 0.85 - 1.36V
Operating temperature Unknown - 71.4°C

overclocking

Overclock popularity 29
Overclocked clock speed 3.48 GHz
Overclocked clock speed (Water) 3.91 GHz
Overclocked clock speed (Air) 3.48 GHz

integrated graphics

GPU None

bus

Architecture FSB
Clock speed 1,333 MHz
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