We and our partners use cookies to give you the best online experience, including to personalise advertising and content. Data about your interaction with this site and the ads shown to you may be shared with companies involved in the delivery and/or personalisation of ads on this site and elsewhere online.

Compare 4 products

Close
AMD Opteron 6344 Cpu
AMD Opteron 6344
Close
Intel Q8400 Cpu
Intel Q8400
Close
Intel Xeon E5-2403V2 Cpu
Intel Xeon E5-2403V2
Close
Intel Xeon E5450 Cpu
Intel Xeon E5450
Editiorial reviews
1
1 editorial reviews
HotHardware takes an in depth look at the Intel Core 2 Quad Q8400, affordable 45nm quad-core processor.Read more
Read editorial reviews
User rating
7
4.1 out of 5
7 user ratings
5 stars
42 %
4 stars
28 %
3 stars
28 %
2 stars
0 %
1 stars
0 %
38
4.2 out of 5
38 user ratings
5 stars
34 %
4 stars
50 %
3 stars
15 %
2 stars
0 %
1 stars
0 %
4
3.8 out of 5
4 user ratings
5 stars
25 %
4 stars
25 %
3 stars
50 %
2 stars
0 %
1 stars
0 %
43
4.1 out of 5
43 user ratings
5 stars
44 %
4 stars
25 %
3 stars
27 %
2 stars
0 %
1 stars
2 %

General

Processor socketSocket G34LGA 775LGA 1356LGA 771
Component forServer/Workstation
N/A
Server/WorkstationServer/Workstation
Operating modes64-bit64-bit64-bit
N/A

Processor

Clock speed2.6 GHz2.66 GHz1.8 GHz3.0 GHz
Max turbo speed3.2 GHz
N/A
1.8 GHz
N/A
Number of cores12444
Number of threads12444
Thermal Design Power (TDP)115.0 W95.0 W80.0 W80.0 W
Processor lithography0.0 in0.0 in0.0 in0.0 in
Bus type
N/A
FSBQPIFSB
Idle states
N/A
yesyesyes
Bus speed
N/A
N/A
N/A
1333.0 MHz

Memory

Cache16 MB4 MB10 MB12 MB
Cache typeL3L2Smart CacheL2
Memory clock speeds supported by processor
  • 1333
  • 1600
N/A
  • 800
  • 1066
  • 1333
N/A
Memory types supported by processorDDR3 SDRAM
N/A
DDR3 SDRAM
N/A
Maximum internal memory supported by processor
N/A
N/A
384.0 GB
N/A
Memory bandwidth supported by processor (max)
N/A
N/A
32.0 GB/s
N/A
Memory channels
N/A
N/A
Triple
N/A

Often compared with Intel Q8400