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Differences What are the advantages of each

Front view of Intel Xeon E7-8870

Reasons to consider the
Intel Xeon E7-8870

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Much more l3 cache 30 MB vs 2 MB 15x more l3 cache; more data can be stored in the l3 cache for quick access later
Much newer manufacturing process 32 nm vs 65 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Supports more CPUs in SMP configuration 8 vs 1 7 supports more CPUs in SMP configuration
Significantly more l2 cache 3 MB vs 2 MB 50% more l2 cache; more data can be stored in the l2 cache for quick access later
Much more l3 cache per core 3 MB/core vs 0.5 MB/core 6x more l3 cache per core
More threads 20 vs 4 16 more threads
More cores 10 vs 4 6 more cores; run more applications at once
Newer Apr, 2011 vs Jul, 2008 Release date over 2 years later
Higher Maximum operating temperature 69 °C vs 61 °C Around 15% higher Maximum operating temperature
Front view of AMD Phenom X4 9850

Reasons to consider the
AMD Phenom X4 9850

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More l2 cache per core 0.5 MB/core vs 0.3 MB/core More than 65% more l2 cache per core
Slightly lower typical power consumption 101.56W vs 105.63W Around 5% lower typical power consumption
Better overclocked clock speed (Air) 2.72 GHz vs 2.51 GHz Around 10% better overclocked clock speed (Air)
Better overclocked clock speed (Water) 2.88 GHz vs 2.4 GHz Around 20% better overclocked clock speed (Water)
Slightly lower annual home energy cost 30.11 $/year vs 31.32 $/year Around 5% lower annual home energy cost
Slightly lower annual commercial energy cost 109.5 $/year vs 113.88 $/year Around 5% lower annual commercial energy cost

Features Key features of the Xeon E7-8870  vs Phenom X4 9850 

clock speed

Xeon E7-8870
2.4 GHz
Phenom X4 9850
2.5 GHz

L2 cache

L3 cache

overclocked clock speed (air)

Xeon E7-8870
2.51 GHz
Phenom X4 9850
2.72 GHz

overclocked clock speed (water)

Xeon E7-8870
2.4 GHz
Phenom X4 9850
2.88 GHz

Specifications Full list of technical specs

summary

Xeon E7-8870  vs
Phenom X4 9850 
Clock speed 2.4 GHz 2.5 GHz
Cores Deca core Quad core
Socket type
LGA 1567
AM2+

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE4a
SSE2
MMX
SSE4
SSE3
SSE
SSE4.1
SSE4.2
3DNow!
Supplemental SSE3
AES
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 130W 125W
Annual home energy cost 31.32 $/year 30.11 $/year
Annual commercial energy cost 113.88 $/year 109.5 $/year
Typical power consumption 105.63W 101.56W

bus

Clock speed 3,200 MHz 2,000 MHz

details

Xeon E7-8870  vs
Phenom X4 9850 
Architecture x86-64 x86-64
Threads 20 4
L2 cache 3 MB 2 MB
L2 cache per core 0.3 MB/core 0.5 MB/core
L3 cache 30 MB 2 MB
L3 cache per core 3 MB/core 0.5 MB/core
Manufacture process 32 nm 65 nm
Max CPUs 8 1
Operating temperature Unknown - 69°C Unknown - 61°C

overclocking

Overclocked clock speed 2.51 GHz 2.72 GHz
Overclocked clock speed (Water) 2.4 GHz 2.88 GHz
Overclocked clock speed (Air) 2.51 GHz 2.72 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
Intel Xeon E7-8870
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AMD Phenom X4 9850
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