CPUBoss Review Our evaluation of 650 vs 955

Performance

Benchmark performance using all cores

Cinebench R10 32-bit, Passmark, GeekBench (32-bit) and GeekBench (64-bit)

Single-core Performance

Individual core benchmark performance

Cinebench R10 32-bit (1-core) and Passmark (Single Core)

Overclocking

How much speed can you get out of the processor?

Unlocked, Maximum Overclocked Clock Speed (Air) and 2 more

Value

Are you paying a premium for performance?

Performance Per Dollar

CPUBoss Score

Performance, Single-core Performance, Overclocking and Value

Winner
AMD Phenom II X4 955 

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

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VS
Front view of AMD Phenom II X4 955

AMD Phenom II X4 955

CPUBoss Winner

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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Is hyperthreaded Yes vs No Somewhat common; Maximizes usage of each CPU core
Much newer manufacturing process 32 nm vs 45 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Significantly higher Maximum Operating Temperature 72.6 °C vs 62 °C More than 15% higher Maximum Operating Temperature
More l3 cache per core 2 MB/core vs 1.5 MB/core Around 35% more l3 cache per core
Better PassMark (Single core) score 1,320 vs 1,123 Around 20% better PassMark (Single core) score
Better overclocked clock speed (Air) 4.31 GHz vs 3.99 GHz Around 10% better overclocked clock speed (Air)
Better cinebench r10 32Bit 1-core score 4,473 vs 3,675 More than 20% better cinebench r10 32Bit 1-core score
Lower annual commercial energy cost 96.89 $/year vs 109.5 $/year More than 10% lower annual commercial energy cost
Newer Jan, 2010 vs Nov, 2009 Release date 1 months later
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 l2 cache 2 MB vs 1 MB 2x more l2 cache; more data can be stored in the l2 cache for quick access later
More l3 cache 6 MB vs 4 MB 50% more l3 cache; more data can be stored in the l3 cache for quick access later
More cores 4 vs 2 Twice as many cores; run more applications at once
Slightly better PassMark score 4,019 vs 3,142 Around 30% better PassMark score
Significantly better overclocked clock speed (Water) 4.45 GHz vs 3.2 GHz Around 40% better overclocked clock speed (Water)
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 (32-bit)

3D Mark 11 (Physics)

Cinebench R10 32-Bit

Cinebench R10 32-Bit (Single Core)

sysmark 2007 (overall)

Passmark

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
Is hyperthreaded Yes No

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 4.1 pt/W 4.13 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 4.45 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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