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Differences What are the advantages of each

Front view of Intel Xeon E5-2650

Reasons to consider the
Intel Xeon E5-2650

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Much higher turbo clock speed 2.8 GHz vs None Compared to all cpus, 2.8 GHz turbo clock speed is just OK
Significantly higher clock speed 2 GHz vs 1 GHz 2x higher clock speed
Much better geekbench 2 (32-bit) score 19,887 vs 1,048 Around 19x better geekbench 2 (32-bit) score
Significantly more l2 cache 2 MB vs 1 MB 2x more l2 cache; more data can be stored in the l2 cache for quick access later
Much better geekbench 3 Multi-Core score 5,977 vs 708 Around 8.5x better geekbench 3 Multi-Core score
Significantly newer manufacturing process 32 nm vs 40 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
More threads 16 vs 2 14 more threads
More cores 8 vs 2 6 more cores; run more applications at once
Much better geekbench 3 single core score 1,701 vs 396 More than 4.2x better geekbench 3 single core score
Supports more CPUs in SMP configuration 2 vs 1 Twice as many CPUs in SMP configuration
Much better overclocked clock speed (Air) 2.55 GHz vs 1 GHz More than 2.5x better overclocked clock speed (Air)
Significantly better overclocked clock speed (Water) 2 GHz vs 1 GHz 2x better overclocked clock speed (Water)
Newer Mar, 2012 vs Jun, 2011 Release date 9 months later
Front view of AMD Z 01

Reasons to consider the
AMD Z 01

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Much lower typical power consumption 4.06W vs 77.19W 19x lower typical power consumption
Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
More l2 cache per core 0.5 MB/core vs 0.25 MB/core 2x more l2 cache per core
Much lower annual home energy cost 1.2 $/year vs 22.89 $/year 19x lower annual home energy cost
Much lower annual commercial energy cost 4.38 $/year vs 83.22 $/year 19x lower annual commercial energy cost

Benchmarks Real world tests of Xeon E5-2650 vs AMD Z 01

GeekBench 3 (Multi-core) Data courtesy Primate Labs

GeekBench 3 (Single core) Data courtesy Primate Labs

GeekBench 3 (AES single core) Data courtesy Primate Labs

Xeon E5-2650
1,350,000 MB/s
AMD Z 01
24,300 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

Xeon E5-2650
19,887
AMD Z 01
1,048

GeekBench

Xeon E5-2650
25,599
AMD Z 01
1,048

Specifications Full list of technical specs

summary

Xeon E5-2650  vs
AMD Z 01 
Clock speed 2 GHz 1 GHz
Turbo clock speed 2.8 GHz None
Cores Octa core Dual core

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE4a
SSE2
MMX
AVX
SSE3
SSE
AMD64
SSE4.1
SSE4.2
AMD-V
Supplemental SSE3
AES
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 95W 5W
Annual home energy cost 22.89 $/year 1.2 $/year
Annual commercial energy cost 83.22 $/year 4.38 $/year
Performance per watt 6.61 pt/W 6.04 pt/W
Typical power consumption 77.19W 4.06W

details

Xeon E5-2650  vs
AMD Z 01 
Threads 16 2
L2 cache 2 MB 1 MB
L2 cache per core 0.25 MB/core 0.5 MB/core
Manufacture process 32 nm 40 nm
Max CPUs 2 1
Clock multiplier 28 5

overclocking

Overclocked clock speed 2.55 GHz 1 GHz
Overclocked clock speed (Water) 2 GHz 1 GHz
Overclocked clock speed (Air) 2.55 GHz 1 GHz

integrated graphics

GPU None GPU
Label N/A Radeon™ HD 6250
Latest DirectX N/A 11.0
GPU clock speed N/A 276 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1600
DDR3-1333
DDR3-1066
DDR3
DDR3-800
Intel Xeon E5-2650
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AMD Z 01
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