CPUBoss Review Our evaluation of 650 vs 955 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

7.2

CPUBoss Score

Combination of all six facets

Winner
AMD Phenom II X4 955 

CPUBoss recommends the AMD Phenom II X4 955  based on its performance and overclocking.

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VS

Differences What are the advantages of each

Front view of Intel Core i5 650

Reasons to consider the
Intel Core i5 650

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Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Much better cinebench r10 32Bit 1-core score 4,473 vs 3,675 More than 20% better cinebench r10 32Bit 1-core score
Much higher Maximum operating temperature 72.6 °C vs 62 °C More than 15% higher Maximum operating temperature
Better geekbench 3 AES single core score 1,550,000 MB/s vs 129,850 MB/s Around 12x better geekbench 3 AES single core score
Better performance per dollar 4.71 pt/$ vs 1.97 pt/$ Around 2.5x better performance per dollar
Better performance per watt 4.79 pt/W vs 1.5 pt/W Around 3.2x better performance per watt
Better overclocked clock speed (Air) 4.31 GHz vs 3.99 GHz Around 10% better overclocked clock speed (Air)
Newer Jan, 2010 vs Nov, 2009 Release date 1 months later
Lower annual commercial energy cost 96.89 $/year vs 109.5 $/year More than 10% lower annual commercial energy cost
Front view of AMD Phenom II X4 955

Reasons to consider the
AMD Phenom II X4 955

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Is unlocked Yes vs No Somewhat common; An unlocked multiplier allows for easier overclocking
More cores 4 vs 2 Twice as many cores; run more applications at once
Much better cinebench r10 32Bit score 13,242 vs 10,550 More than 25% better cinebench r10 32Bit score
Better geekbench 3 Multi-Core score 5,898 vs 4,709 More than 25% better geekbench 3 Multi-Core score
Significantly better overclocked clock speed (Water) 4.14 GHz vs 3.2 GHz Around 30% better overclocked clock speed (Water)
Significantly lower annual home energy cost 30.11 $/year vs 37.54 $/year Around 20% lower annual home energy cost

Benchmarks Real world tests of Core i5 650 vs Phenom II X4 955

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

Core i5 650
1,550,000 MB/s
Phenom II X4 955
129,850 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench (64-bit) Data courtesy Primate Labs

GeekBench

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Core i5 650  vs
Phenom II X4 955 
Clock speed 3.2 GHz 3.2 GHz
Cores Dual core Quad core
Socket type
LGA 1156
AM3
Is unlocked No Yes

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 73W 125W
Annual home energy cost 37.54 $/year 30.11 $/year
Annual commercial energy cost 96.89 $/year 109.5 $/year
Performance per watt 4.79 pt/W 1.5 pt/W
Typical power consumption 100.23W 101.56W

details

Core i5 650  vs
Phenom II X4 955 
Architecture x86-64 x86-64
Threads 4 4
L2 cache 1 MB 2 MB
L2 cache per core 0.5 MB/core 0.5 MB/core
L3 cache 4 MB 6 MB
L3 cache per core 2 MB/core 1.5 MB/core
Manufacture process 32 nm 45 nm
Max CPUs 1 1
Voltage range 0.65 - 1.4V 0.88 - 1.5V
Operating temperature Unknown - 72.6°C Unknown - 62°C

overclocking

Overclock popularity 21 259
Overclocked clock speed 4.31 GHz 3.99 GHz
Overclocked clock speed (Water) 3.2 GHz 4.14 GHz
Overclocked clock speed (Air) 4.31 GHz 3.99 GHz

integrated graphics

GPU GPU None
Label Intel® HD Graphics N/A
Number of displays supported 2 N/A
GPU clock speed 733 MHz N/A
Intel Core i5 650
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AMD Phenom II X4 955
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