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Differences What are the advantages of each

Front view of Intel Xeon E5-2690

Reasons to consider the
Intel Xeon E5-2690

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More l3 cache 20 MB vs 15 MB Around 35% more l3 cache; more data can be stored in the l3 cache for quick access later
Supports more CPUs in SMP configuration 2 vs 1 Twice as many CPUs in SMP configuration
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Lower typical power consumption 109.69W vs 121.88W 10% lower typical power consumption
More cores 8 vs 6 2 more cores; run more applications at once
More threads 16 vs 12 4 more threads
Supports more RAM 393,216 MB vs 65,996.8 MB Supports around 6x more RAM
Better PassMark score 14,178 vs 12,923 Around 10% better PassMark score
Higher Maximum operating temperature 72 °C vs 66.8 °C Around 10% higher Maximum operating temperature
Lower annual commercial energy cost 118.26 $/year vs 131.4 $/year 10% lower annual commercial energy cost
Lower annual home energy cost 32.52 $/year vs 36.13 $/year Around 10% lower annual home energy cost
Front view of Intel Core i7 3970X

Reasons to consider the
Intel Core i7 3970X

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Higher clock speed 3.5 GHz vs 2.9 GHz More than 20% higher clock speed
Much better performance per dollar 1.11 pt/$ vs 0.49 pt/$ More than 2.2x better performance per dollar
Slightly higher turbo clock speed 4 GHz vs 3.8 GHz More than 5% higher turbo clock speed
Significantly better overclocked clock speed (Air) 4.57 GHz vs 3.53 GHz Around 30% better overclocked clock speed (Air)
Better PassMark (Single core) score 2,047 vs 1,853 More than 10% better PassMark (Single core) score
More l2 cache per core 0.33 MB/core vs 0.25 MB/core Around 35% more l2 cache per core
Newer Nov, 2012 vs Mar, 2012 Release date 8 months later
Better overclocked clock speed (Water) 4.44 GHz vs 3.92 GHz Around 15% better overclocked clock speed (Water)

Benchmarks Real world tests of Xeon E5-2690 vs Core i7 3970X

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Xeon E5-2690
Core i7 3970X

GeekBench 3 (Single core) Data courtesy Primate Labs

GeekBench 3 (AES single core) Data courtesy Primate Labs

Xeon E5-2690
1,975,000 MB/s
Core i7 3970X
2,690,000 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

Xeon E5-2690
Core i7 3970X

GeekBench (64-bit) Data courtesy Primate Labs

Xeon E5-2690
Core i7 3970X


Xeon E5-2690
Core i7 3970X

PassMark Data courtesy Passmark

Xeon E5-2690
Core i7 3970X

PassMark (Single Core)

Specifications Full list of technical specs


Xeon E5-2690  vs
Core i7 3970X 
Clock speed 2.9 GHz 3.5 GHz
Turbo clock speed 3.8 GHz 4 GHz
Cores Octa core Hexa core
Socket type
LGA 2011


Has a NX bit Yes Yes
Supports trusted computing Yes No
Has virtualization support Yes Yes
Instruction set extensions
Supplemental SSE3
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 135W 150W
Annual home energy cost 32.52 $/year 36.13 $/year
Annual commercial energy cost 118.26 $/year 131.4 $/year
Performance per watt 7.64 pt/W 8.17 pt/W
Typical power consumption 109.69W 121.88W

memory controller

Memory controller Built-in Built-in
Memory type
Channels Quad Channel Quad Channel
Supports ECC Yes No
Maximum bandwidth 51,200 MB/s 51,200 MB/s
Maximum memory size 393,216 MB 65,996.8 MB


Xeon E5-2690  vs
Core i7 3970X 
Architecture x86-64 x86-64
Threads 16 12
L2 cache 2 MB 2 MB
L2 cache per core 0.25 MB/core 0.33 MB/core
L3 cache 20 MB 15 MB
L3 cache per core 2.5 MB/core 2.5 MB/core
Manufacture process 32 nm 32 nm
Max CPUs 2 1
Clock multiplier 38 35
Voltage range 0.6 - 1.35V 0.6 - 1.35V
Operating temperature Unknown - 72°C Unknown - 66.8°C


Overclock popularity 7 28
Overclocked clock speed 3.53 GHz 4.57 GHz
Overclocked clock speed (Water) 3.92 GHz 4.44 GHz
Overclocked clock speed (Air) 3.53 GHz 4.57 GHz

integrated graphics

GPU None None
Label N/A N/A
Latest DirectX N/A N/A
Number of displays supported N/A N/A
GPU clock speed N/A N/A
Turbo clock speed N/A N/A
3DMark06 N/A N/A


Architecture QPI DMI 2.0
Number of links 2 1
Transfer rate 8,000 MT/s 5,000 MT/s
Intel Xeon E5-2690
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Intel Core i7 3970X
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