CPUBoss Review Our evaluation of 905e vs 450 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

5.1

CPUBoss Score

Combination of all six facets

Winner
AMD Athlon II X3 450 

CPUBoss recommends the AMD Athlon II X3 450  based on its single-core performance.

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VS
Front view of AMD Athlon II X3 450

AMD Athlon II X3 450

CPUBoss Winner

Differences What are the advantages of each

Front view of AMD Phenom II X4 905e

Reasons to consider the
AMD Phenom II X4 905e

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Much lower typical power consumption 52.81W vs 113.2W 2.1x lower typical power consumption
More l2 cache 2 MB vs 1.5 MB Around 35% more l2 cache; more data can be stored in the l2 cache for quick access later
More l3 cache 6 MB vs 0.5 MB 12x more l3 cache; more data can be stored in the l3 cache for quick access later
Much more l3 cache per core 1.5 MB/core vs 0.17 MB/core 9x more l3 cache per core
Much lower annual home energy cost 15.66 $/year vs 39.59 $/year 2.5x lower annual home energy cost
Much lower annual commercial energy cost 56.94 $/year vs 113.44 $/year Around 50% lower annual commercial energy cost
More cores 4 vs 3 1 more cores; run more applications at once
Front view of AMD Athlon II X3 450

Reasons to consider the
AMD Athlon II X3 450

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Higher clock speed 3.2 GHz vs 2.5 GHz Around 30% higher clock speed
Better geekbench 3 single core score 1,632 vs 897 More than 80% better geekbench 3 single core score
Better geekbench 3 Multi-Core score 4,354 vs 3,038 Around 45% better geekbench 3 Multi-Core score
Better overclocked clock speed (Air) 3.86 GHz vs 3.41 GHz Around 15% better overclocked clock speed (Air)
Higher Maximum operating temperature 75 °C vs 70 °C More than 5% higher Maximum operating temperature
Newer Sep, 2010 vs Jun, 2009 Release date over 1 years later
Better overclocked clock speed (Water) 3.1 GHz vs 2.5 GHz Around 25% better overclocked clock speed (Water)

Benchmarks Real world tests of Phenom II X4 905e vs Athlon II X3 450

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 X4 905e
66.3 MB/s
Athlon II X3 450
128,950 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench

PassMark Data courtesy Passmark

PassMark (Single Core)

Reviews Word on the street

Specifications Full list of technical specs

summary

Phenom II X4 905e  vs
Athlon II X3 450 
Clock speed 2.5 GHz 3.2 GHz
Cores Quad core Tri core
Socket type
AM3
Super 7
Is unlocked No No

features

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

power consumption

TDP 65W 95W
Annual home energy cost 15.66 $/year 39.59 $/year
Annual commercial energy cost 56.94 $/year 113.44 $/year
Performance per watt 1.17 pt/W 1.07 pt/W
Typical power consumption 52.81W 113.2W

bus

Clock speed 2,000 MHz 100 MHz

details

Phenom II X4 905e  vs
Athlon II X3 450 
Architecture x86-64 x86-64
Threads 4 3
L2 cache 2 MB 1.5 MB
L2 cache per core 0.5 MB/core 0.5 MB/core
L3 cache 6 MB 0.5 MB
L3 cache per core 1.5 MB/core 0.17 MB/core
Manufacture process 45 nm 45 nm
Max CPUs 1 1
Voltage range 0.82 - 1.25V 0.85 - 1.4V
Operating temperature Unknown - 70°C Unknown - 75°C

overclocking

Overclocked clock speed 3.41 GHz 3.86 GHz
Overclocked clock speed (Water) 2.5 GHz 3.1 GHz
Overclocked clock speed (Air) 3.41 GHz 3.86 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 X4 905e
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AMD Athlon II X3 450
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