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Intel Core i7 8700K Cpu
Intel Core i7 8700K
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Intel Core i9 9900 Cpu
Intel Core i9 9900
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Intel Xeon E5645 Cpu
Intel Xeon E5645
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Intel Xeon X5675 Cpu
Intel Xeon X5675
Editiorial reviews
14
4.4 out of 5
5 user ratings
5 stars
60 %
4 stars
40 %
3 stars
0 %
2 stars
0 %
1 stars
0 %
Read editorial reviews
3
3 editorial reviews
A new price cut helps consolidate the Intel Core i9-9900K as the go-to powerhouse processor for gaming and creative tasksRead more
The Intel Core i9-9900KS adds a booster rocket to one of the fastest gaming processors out there, but at a cost that most gamers don't need to pay to get the most out of their machines.Read more
More cores, higher frequencies, and performance-boosting Solder TIM place the Core i9-9900K ahead of the pack. Just be prepared to pay for it.Read more
Read editorial reviews
User rating
36
4.1 out of 5
36 user ratings
5 stars
36 %
4 stars
36 %
3 stars
27 %
2 stars
0 %
1 stars
0 %
41
4.2 out of 5
41 user ratings
5 stars
36 %
4 stars
43 %
3 stars
19 %
2 stars
0 %
1 stars
0 %
32
4.0 out of 5
32 user ratings
5 stars
34 %
4 stars
37 %
3 stars
25 %
2 stars
3 %
1 stars
0 %
36
4.3 out of 5
36 user ratings
5 stars
50 %
4 stars
27 %
3 stars
22 %
2 stars
0 %
1 stars
0 %

General

Processor socketLGA 1151LGA 1151LGA 1366LGA 1366
Component forPC
N/A
Server/WorkstationServer/Workstation
Operating modes
N/A
N/A
64-bit64-bit

Processor

Clock speed3.7 GHz3.1 GHz2.4 GHz3.06 GHz
Max turbo speed4.7 GHz5.0 GHz2.67 GHz3.46 GHz
Number of cores6866
Number of threads12161212
Thermal Design Power (TDP)95.0 W65.0 W80.0 W95.0 W
Processor lithography0.0 in0.0 in0.0 in0.0 in
Bus typeDMI3
N/A
QPIQPI
Idle statesyes
N/A
yesyes

Memory

Cache12 MB16 MB12 MB12 MB
Cache typeSmart Cache
N/A
Smart CacheSmart Cache
Memory clock speeds supported by processor2666.0 MHz
N/A
  • 800
  • 1066
  • 1333
  • 800
  • 1066
  • 1333
Maximum internal memory supported by processor64.0 GB
N/A
288.0 GB288.0 GB
Memory types supported by processorDDR4 SDRAM
N/A
DDR3 SDRAMDDR3 SDRAM
Memory bandwidth supported by processor (max)41.6 GB/s
N/A
32.0 GB/s32.0 GB/s
Memory channelsDual
N/A
TripleTriple

Often compared with Intel Core i7 8700K

Often compared with Intel Core i9 9900

Often compared with Intel Xeon X5675