Intel Core2 Quad Q9400 

Released July, 2008
  • 2.66 GHz
  • Quad core
5.1 Out of 10

When it comes to benchmarks, the overclocked Intel Core 2 Quad Q9400 processor was able to complete the benchmark just as fast as the Intel Core i7 940 processor, which is wicked fast.
by Legit Reviews (Mar, 2009)
As you can see above, the ASUS P5E3 Deluxe motherboard FSB runs at 334MHz, so right out of the box the FSB is a little higher than one may have expected.
by Legit Reviews (Mar, 2009)

CPUBoss Review Our evaluation of the Intel Core2 Quad Q9400 among desktop CPUs (over 75W)

Performance

Benchmark performance using all cores

Core2 Quad Q9400
5.1
PCMark 8 Home 3.0 Accelerated, PassMark and 1 more

Single-core Performance

Individual core benchmark performance

Core2 Quad Q9400
5.3
PassMark (Single Core), Geekbench 3 Single Core and 1 more

Integrated Graphics

Integrated GPU performance for graphics

Core2 Quad Q9400
0.0
Fire Strike

Integrated Graphics (OpenCL)

Integrated GPU performance for parallel computing

Core2 Quad Q9400
0.0
CompuBench 1.5 Bitcoin mining and 4 more

Performance per Watt

How efficiently does the processor use electricity?

Core2 Quad Q9400
5.6
Fire Strike, CompuBench 1.5 Bitcoin mining and 11 more

Value

Are you paying a premium for performance?

Core2 Quad Q9400
n.d.
Fire Strike, CompuBench 1.5 Bitcoin mining and 11 more

5.1

CPUBoss Score

Combination of all six facets

Core2 Quad Q9400
5.1

Benchmarks Real world tests of the Intel Core2 Quad Q9400

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Core2 Quad Q9400
5,123
Core i5 3570K
10,311

GeekBench 3 (Single core) Data courtesy Primate Labs

Core2 Quad Q9400
1,490

GeekBench 3 (AES single core) Data courtesy Primate Labs

Core2 Quad Q9400
114,000 MB/s
Core i5 3570K
2,650,000 MB/s
Core2 Quad Q6600
102,800 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

Core2 Quad Q9400
4,796
Core i5 3570K
10,832

GeekBench (64-bit) Data courtesy Primate Labs

Core2 Quad Q9400
4,951
Core i5 3570K
11,824

GeekBench

Core2 Quad Q9400
6,513
Core i5 3570K
15,009

PassMark Data courtesy Passmark

Core2 Quad Q9400
3,435

PassMark (Single Core)

Core2 Quad Q9400
1,137

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 Yes
Has virtualization support Yes
Instruction set extensions
  1. Supplemental SSE3
  2. SSE2
  3. SSE
  4. MMX
  5. SSE3
  6. SSE4.1
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 1.83 pt/W
Typical power consumption 77.19W

bus

Architecture FSB
Clock speed 1,333 MHz

details

Architecture x86-64
Threads 4 threads
L2 cache 6 MB
L2 cache per core 1.5 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 34
Overclocked clock speed 3.56 GHz
Overclocked clock speed (Water) 4.44 GHz
Overclocked clock speed (Air) 3.56 GHz

integrated graphics

GPU None
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