CPUBoss Review Our evaluation of 945 95W vs 640 among desktop CPUs (over 75W)

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

No winner declared

Too close to call

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VS

Differences What are the advantages of each

Front view of AMD Phenom II X4 945 95W

Reasons to consider the
AMD Phenom II X4 945 95W

Report a correction

CPUBoss is not aware of any important advantages of the Phenom II X4 945 95W vs the Athlon II X4 640.

Front view of AMD Athlon II X4 640

Reasons to consider the
AMD Athlon II X4 640

Report a correction

CPUBoss is not aware of any important advantages of the Athlon II X4 640 vs the Phenom II X4 945 95W.

Benchmarks Real world tests of Phenom II X4 945 95W vs Athlon II X4 640

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 945 95W
120,900 MB/s
Athlon II X4 640
121,100 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

Phenom II X4 945 95W  vs
Athlon II X4 640 
Clock speed 3 GHz 3 GHz
Cores Quad core Quad core
Socket type
AM3
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 95W 95W
Annual home energy cost 22.89 $/year 22.89 $/year
Annual commercial energy cost 83.22 $/year 83.22 $/year
Performance per watt 1.57 pt/W 1.54 pt/W
Typical power consumption 77.19W 77.19W

bus

Clock speed 2,000 MHz 2,000 MHz

details

Phenom II X4 945 95W  vs
Athlon II X4 640 
Architecture x86-64 x86-64
Threads 4 4
L2 cache 2 MB 2 MB
L2 cache per core 0.5 MB/core 0.5 MB/core
L3 cache 6 MB 0 MB
L3 cache per core 1.5 MB/core 0 MB/core
Manufacture process 45 nm 45 nm
Max CPUs 1 1
Voltage range 0.85 - 1.4V 1.05 - 1.4V
Operating temperature 55 - 70°C Unknown - 71°C

overclocking

Overclock popularity 34 36
Overclocked clock speed 3.68 GHz 3.57 GHz
Overclocked clock speed (Water) 3.81 GHz 3.89 GHz
Overclocked clock speed (Air) 3.68 GHz 3.57 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 945 95W
Report a correction
AMD Athlon II X4 640
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