CPUBoss Review Our evaluation of C2750 vs 4122 among all CPUs

Performance

Benchmark performance using all cores

PCMark 8 Home 3.0 Accelerated, PassMark and 1 more

Single-core Performance

Individual core benchmark performance

PassMark (Single Core), Geekbench 3 Single Core and 1 more

Integrated Graphics

Integrated GPU performance for graphics

Sky Diver and Cloud Gate

Integrated Graphics (OpenCL)

Integrated GPU performance for parallel computing

CompuBench 1.5 Bitcoin mining and 4 more

Performance per Watt

How efficiently does the processor use electricity?

Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more

Value

Are you paying a premium for performance?

Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more

5.2

CPUBoss Score

Combination of all six facets

Winner
Intel Atom C2750 

CPUBoss recommends the Intel Atom C2750  based on its performance and cost to run.

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VS

Differences What are the advantages of each

Front view of Intel Atom C2750

Reasons to consider the
Intel Atom C2750

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Significantly higher clock speed 2.4 GHz vs 2.2 GHz Around 10% 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 0.92 pt/W More than 12.8x better performance per watt
Much higher Maximum operating temperature 97 °C vs 55 °C More than 75% higher Maximum operating temperature
Much lower typical power consumption 16.25W vs 77.19W 4.8x lower typical power consumption
More threads 8 vs 4 Twice as many threads
Newer manufacturing process 22 nm vs 45 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Significantly better overclocked clock speed (Air) 2.4 GHz vs 2.2 GHz Around 10% better overclocked clock speed (Air)
Much lower annual commercial energy cost 17.52 $/year vs 83.22 $/year 4.8x lower annual commercial energy cost
Much lower annual home energy cost 4.82 $/year vs 22.89 $/year 4.8x lower annual home energy cost
Newer Jul, 2013 vs Jun, 2010 Release date over 3 years later
Significantly better overclocked clock speed (Water) 2.4 GHz vs 2.2 GHz Around 10% better overclocked clock speed (Water)
Front view of AMD Opteron 4122

Reasons to consider the
AMD Opteron 4122

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Supports more CPUs in SMP configuration 2 vs 1 Twice as many CPUs in SMP configuration

Benchmarks Real world tests of Atom C2750 vs Opteron 4122

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Atom C2750
6,808
Opteron 4122
5,184

GeekBench 3 (Single core) Data courtesy Primate Labs

Atom C2750
1,089
Opteron 4122
1,048

GeekBench 3 (AES single core) Data courtesy Primate Labs

Atom C2750
412,200 MB/s
Opteron 4122
88.3 MB/s

PassMark Data courtesy Passmark

Atom C2750
3,344
Opteron 4122
2,942

Specifications Full list of technical specs

summary

Atom C2750  vs
Opteron 4122 
Clock speed 2.4 GHz 2.2 GHz
Cores Octa core Quad core

features

Has virtualization support Yes Yes
Instruction set extensions
SSE4a
SSE2
MMX
SSE4
SSE3
EM64T
SSE
SSE4.1
SSE4.2
3DNow!
AES

power consumption

TDP 20W 95W
Annual home energy cost 4.82 $/year 22.89 $/year
Annual commercial energy cost 17.52 $/year 83.22 $/year
Performance per watt 11.79 pt/W 0.92 pt/W
Typical power consumption 16.25W 77.19W

details

Atom C2750  vs
Opteron 4122 
Threads 8 4
Manufacture process 22 nm 45 nm
Max CPUs 1 2
Operating temperature Unknown - 97°C 0 - 55°C

overclocking

Overclocked clock speed 2.4 GHz 2.2 GHz
Overclocked clock speed (Water) 2.4 GHz 2.2 GHz
Overclocked clock speed (Air) 2.4 GHz 2.2 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

bus

Architecture FSB HyperTransport 3.0
Intel Atom C2750
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AMD Opteron 4122
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