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Intel Xeon E5645 vs Intel Xeon X5650

Intel Xeon E5645 Cpu
Intel Xeon E5645
Intel Xeon X5650 Cpu
Intel Xeon X5650
User rating
32
4.0 out of 5
32 user ratings
5 stars
34 %
4 stars
37 %
3 stars
25 %
2 stars
3 %
1 stars
0 %
40
4.3 out of 5
40 user ratings
5 stars
45 %
4 stars
37 %
3 stars
15 %
2 stars
2 %
1 stars
0 %

Full Comparison

General

Intel Xeon E5645Intel Xeon E5645
Intel Xeon X5650Intel Xeon X5650
Processor socketLGA 1366LGA 1366
Component forServer/WorkstationServer/Workstation
Operating modes64-bit64-bit

Processor

Intel Xeon E5645Intel Xeon E5645
Intel Xeon X5650Intel Xeon X5650
Clock speed2.4 GHz2.66 GHz
Max turbo speed2.67 GHz3.06 GHz
Number of cores66
Number of threads1212
Thermal Design Power (TDP)80.0 W95.0 W
Processor lithography0.0 in0.0 in
Bus typeQPIQPI
Idle statesyesyes

Integrated Graphics

Intel Xeon E5645Intel Xeon E5645
Intel Xeon X5650Intel Xeon X5650
On-board graphics adapternono

Memory

Intel Xeon E5645Intel Xeon E5645
Intel Xeon X5650Intel Xeon X5650
Cache12 MB12 MB
Cache typeSmart CacheL3
Memory clock speeds supported by processor
  • 800
  • 1066
  • 1333
  • 800
  • 1066
  • 1333
Maximum internal memory supported by processor288.0 GB288.0 GB
Memory types supported by processorDDR3 SDRAMDDR3 SDRAM
Memory bandwidth supported by processor (max)32.0 GB/s32.0 GB/s
Memory channelsTripleTriple

Thermals

Intel Xeon E5645Intel Xeon E5645
Intel Xeon X5650Intel Xeon X5650
Thermal specification169.16 °F178.34 °F

Features

Intel Xeon E5645Intel Xeon E5645
Intel Xeon X5650Intel Xeon X5650
Thermal monitoring technologiesnono
Supported instruction setsSSE4.2SSE4.2
Execute disable bityesyes

Power

Intel Xeon E5645Intel Xeon E5645
Intel Xeon X5650Intel Xeon X5650
VID voltage range0.75 - 1.350.800 - 1.300

Pros & Cons

Pros
      Cons

          Often compared with Intel Xeon X5650