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Differences What are the advantages of each

Front view of Intel Atom C2750

Reasons to consider the
Intel Atom C2750

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Much higher turbo clock speed 2.6 GHz vs None Compared to all cpus, 2.6 GHz turbo clock speed is just OK
Much higher clock speed 2.4 GHz vs 1.9 GHz More than 25% higher clock speed
More cores 8 vs 4 Twice as many cores; run more applications at once
Much better performance per watt 11.79 pt/W vs 1.71 pt/W Around 7x better performance per watt
Much better overclocked clock speed (Air) 2.4 GHz vs 1.9 GHz More than 25% better overclocked clock speed (Air)
Slightly newer manufacturing process 22 nm vs 28 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much better overclocked clock speed (Water) 2.4 GHz vs 1.9 GHz More than 25% better overclocked clock speed (Water)
Front view of AMD Opteron X2150

Reasons to consider the
AMD Opteron X2150

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Supports dynamic frequency scaling Yes vs No Somewhat common; Allows for maximum performance when needed, while conserving power and minimizing heat production when not needed
Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required

Benchmarks Real world tests of Atom C2750 vs Opteron X2150

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

Atom C2750
412,200 MB/s
Opteron X2150
567.3 MB/s

Specifications Full list of technical specs

summary

Atom C2750  vs
Opteron X2150 
Clock speed 2.4 GHz 1.9 GHz
Turbo clock speed 2.6 GHz None
Cores Octa core Quad core

features

Has virtualization support Yes Yes
Instruction set extensions
SSE4a
SSE2
F16C
MMX
SSE4
AVX
SSE3
EM64T
SSE
BMI1
CLMUL
AMD64
SSE4.1
SSE4.2
ABM
AMD-V
Supplemental SSE3
AES
Supports dynamic frequency scaling No Yes

power consumption

TDP 20W 22W
Annual home energy cost 4.82 $/year 5.3 $/year
Annual commercial energy cost 17.52 $/year 19.27 $/year
Performance per watt 11.79 pt/W 1.71 pt/W
Typical power consumption 16.25W 17.88W

details

Atom C2750  vs
Opteron X2150 
Architecture x86-64 x86-64
Manufacture process 22 nm 28 nm

overclocking

Overclocked clock speed 2.4 GHz 1.9 GHz
Overclocked clock speed (Water) 2.4 GHz 1.9 GHz
Overclocked clock speed (Air) 2.4 GHz 1.9 GHz

integrated graphics

GPU None GPU
Label N/A AMD Radeon HD 8400
Latest DirectX N/A 11.0
GPU clock speed N/A 600 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1600
DDR3
Channels Dual Channel Single Channel
Supports ECC Yes Yes
Maximum bandwidth 12,800 MB/s 12,800 MB/s
Intel Atom C2750
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AMD Opteron X2150
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