CPUBoss Review Our evaluation of 8450e vs 641 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

3.9

CPUBoss Score

Combination of all six facets

Winner
AMD Athlon II X4 641 

CPUBoss recommends the AMD Athlon II X4 641  based on its single-core performance and overclocking.

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VS

Differences What are the advantages of each

Front view of AMD Phenom X3 8450e

Reasons to consider the
AMD Phenom X3 8450e

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Much more l3 cache 2 MB vs 0 MB Compared to all cpus, 2 MB l3 cache is just OK
Much more l3 cache per core 0.67 MB/core vs 0 MB/core Compared to all cpus, 0.67 MB/core l3 cache per core is just OK
Much lower typical power consumption 52.81W vs 81.25W 35% lower typical power consumption
Much lower annual home energy cost 15.66 $/year vs 24.09 $/year 35% lower annual home energy cost
Much lower annual commercial energy cost 56.94 $/year vs 87.6 $/year 35% lower annual commercial energy cost
Higher Maximum operating temperature 71 °C vs 70.1 °C Almost the same
Front view of AMD Athlon II X4 641

Reasons to consider the
AMD Athlon II X4 641

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Much newer manufacturing process 32 nm vs 65 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much higher clock speed 2.8 GHz vs 2.1 GHz Around 35% higher clock speed
Much better PassMark (Single core) score 983 vs 697 More than 40% better PassMark (Single core) score
Much better overclocked clock speed (Air) 3.37 GHz vs 2.75 GHz Around 25% better overclocked clock speed (Air)
Much better overclocked clock speed (Water) 2.8 GHz vs 2.1 GHz Around 35% better overclocked clock speed (Water)
Newer Feb, 2012 vs Sep, 2008 Release date over 3 years later

Benchmarks Real world tests of Phenom X3 8450e vs Athlon II X4 641

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Phenom X3 8450e  vs
Athlon II X4 641 
Clock speed 2.1 GHz 2.8 GHz
Cores Tri core Quad core
Socket type
AM2+
FM1
Is unlocked No No

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE4a
SSE2
MMX
SSE3
SSE
AMD64
AMD-V
3DNow!
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 65W 100W
Annual home energy cost 15.66 $/year 24.09 $/year
Annual commercial energy cost 56.94 $/year 87.6 $/year
Performance per watt 1.24 pt/W 1.4 pt/W
Typical power consumption 52.81W 81.25W

details

Phenom X3 8450e  vs
Athlon II X4 641 
Architecture x86-64 x86-64
Threads 3 4
L2 cache 2 MB 4 MB
L2 cache per core 0.67 MB/core 1 MB/core
L3 cache 2 MB 0 MB
L3 cache per core 0.67 MB/core 0 MB/core
Manufacture process 65 nm 32 nm
Max CPUs 1 1
Voltage range 1.05 - 1.25V 0.45 - 1.41V
Operating temperature Unknown - 71°C Unknown - 70.1°C

overclocking

Overclocked clock speed 2.75 GHz 3.37 GHz
Overclocked clock speed (Water) 2.1 GHz 2.8 GHz
Overclocked clock speed (Air) 2.75 GHz 3.37 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 X3 8450e
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AMD Athlon II X4 641
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