CPUBoss Review Our evaluation of 84 vs 640 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

No winner declared

Too close to call

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VS

Differences What are the advantages of each

Front view of AMD Turion X2 Ultra 84

Reasons to consider the
AMD Turion X2 Ultra 84

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Much lower typical power consumption 28.44W vs 77.19W 2.7x lower typical power consumption
Much higher Maximum operating temperature 100 °C vs 71 °C More than 40% higher Maximum operating temperature
Much more l2 cache per core 1 MB/core vs 0.5 MB/core 2x more l2 cache per core
Much lower annual home energy cost 8.43 $/year vs 22.89 $/year 2.7x lower annual home energy cost
Much lower annual commercial energy cost 30.66 $/year vs 83.22 $/year 2.7x lower annual commercial energy cost
Front view of AMD Athlon II X4 640

Reasons to consider the
AMD Athlon II X4 640

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Much better geekbench 2 (32-bit) score 5,198 vs 1,635 Around 3.2x better geekbench 2 (32-bit) score
Much newer manufacturing process 45 nm vs 65 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Higher clock speed 3 GHz vs 2.3 GHz More than 30% higher clock speed
Much better geekbench 3 Multi-Core score 5,434 vs 1,605 Around 3.5x better geekbench 3 Multi-Core score
Significantly better overclocked clock speed (Air) 3.57 GHz vs 2.31 GHz Around 55% better overclocked clock speed (Air)
Better geekbench 3 single core score 1,559 vs 856 More than 80% better geekbench 3 single core score
More cores 4 vs 2 Twice as many cores; run more applications at once
More threads 4 vs 2 Twice as many threads
Much better overclocked clock speed (Water) 3.89 GHz vs 2.3 GHz Around 70% better overclocked clock speed (Water)

Benchmarks Real world tests of Turion X2 Ultra 84 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

Turion X2 Ultra 84
62,700 MB/s
Athlon II X4 640
121,100 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench

PassMark Data courtesy Passmark

Specifications Full list of technical specs

summary

Turion X2 Ultra 84  vs
Athlon II X4 640 
Clock speed 2.3 GHz 3 GHz
Cores Dual core Quad core
Socket type
S1
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 35W 95W
Annual home energy cost 8.43 $/year 22.89 $/year
Annual commercial energy cost 30.66 $/year 83.22 $/year
Performance per watt 1.95 pt/W 1.54 pt/W
Typical power consumption 28.44W 77.19W

details

Turion X2 Ultra 84  vs
Athlon II X4 640 
Architecture x86-64 x86-64
Threads 2 4
L2 cache 2 MB 2 MB
L2 cache per core 1 MB/core 0.5 MB/core
Manufacture process 65 nm 45 nm
Max CPUs 1 1
Operating temperature Unknown - 100°C Unknown - 71°C

overclocking

Overclocked clock speed 2.31 GHz 3.57 GHz
Overclocked clock speed (Water) 2.3 GHz 3.89 GHz
Overclocked clock speed (Air) 2.31 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

bus

Clock speed 400 MHz 2,000 MHz
AMD Turion X2 Ultra 84
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AMD Athlon II X4 640
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