CPUBoss Review Our evaluation of 550 vs 370K among desktop 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

Fire Strike

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?

Fire Strike, CompuBench 1.5 Bitcoin mining and 11 more

Value

Are you paying a premium for performance?

Fire Strike, CompuBench 1.5 Bitcoin mining and 11 more

4.4

CPUBoss Score

Combination of all six facets

Winner
AMD Phenom II X2 550 

CPUBoss recommends the AMD Phenom II X2 550  based on its .

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Differences What are the advantages of each

Front view of AMD Phenom II X2 550

Reasons to consider the
AMD Phenom II X2 550

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CPUBoss is not aware of any important advantages of the Phenom II X2 550 vs the Athlon X2 370K.

Front view of AMD Athlon X2 370K

Reasons to consider the
AMD Athlon X2 370K

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Much higher clock speed 4 GHz vs 3.1 GHz Around 30% higher clock speed
Much lower typical power consumption 52.81W vs 124.5W 2.4x lower typical power consumption
Much newer manufacturing process 32 nm vs 45 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much better performance per watt 13.31 pt/W vs 0.89 pt/W More than 14.8x better performance per watt
Much better overclocked clock speed (Air) 4.89 GHz vs 3.81 GHz Around 30% better overclocked clock speed (Air)
Much lower annual home energy cost 15.66 $/year vs 46.25 $/year 3x lower annual home energy cost
Much better overclocked clock speed (Water) 4.79 GHz vs 3.12 GHz Around 55% better overclocked clock speed (Water)
Much lower annual commercial energy cost 56.94 $/year vs 120.89 $/year 2.1x lower annual commercial energy cost
Newer Jun, 2013 vs Nov, 2009 Release date over 3 years later

Benchmarks Real world tests of Phenom II X2 550 vs Athlon X2 370K

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

Phenom II X2 550
125,000 MB/s
Athlon X2 370K
2,265,000 MB/s

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Phenom II X2 550  vs
Athlon X2 370K 
Clock speed 3.1 GHz 4 GHz
Cores Dual core Dual core

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE4a
AVX 1.1
SSE2
F16C
MMX
XOP
AVX
SSE3
SSE
BMI1
AMD64
SSE4.1
FMA4
FMA3
SSE4.2
ABM
CVT16
AMD-V
3DNow!
Supplemental SSE3
AES
TBM
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 80W 65W
Annual home energy cost 46.25 $/year 15.66 $/year
Annual commercial energy cost 120.89 $/year 56.94 $/year
Performance per watt 0.89 pt/W 13.31 pt/W
Typical power consumption 124.5W 52.81W

details

Phenom II X2 550  vs
Athlon X2 370K 
Architecture x86-64 x86-64
Threads 2 2
L2 cache 1 MB 1 MB
L2 cache per core 0.5 MB/core 0.5 MB/core
Manufacture process 45 nm 32 nm
Max CPUs 1 1
Voltage range 0.85 - 1.43V 0.82 - 1.48V

overclocking

Overclocked clock speed 3.81 GHz 4.89 GHz
Overclocked clock speed (Water) 3.12 GHz 4.79 GHz
Overclocked clock speed (Air) 3.81 GHz 4.89 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
AMD Phenom II X2 550
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AMD Athlon X2 370K
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