GPUBoss Review Our evaluation of 6670 vs 5450 among Desktop GPUs

Gaming

Battlefield 3, Battlefield 4, Bioshock Infinite and 21 more

Graphics

T-Rex, Manhattan, Cloud Gate Factor, Sky Diver Factor and 1 more

Computing

Face Detection, Ocean Surface Simulation and 3 more

Performance per Watt

Battlefield 3, Battlefield 4, Bioshock Infinite and 32 more

Value

Battlefield 3, Battlefield 4, Bioshock Infinite and 32 more

Noise and Power

TDP, Idle Power Consumption, Load Power Consumption and 2 more

6

Overall Score

Winner
AMD Radeon HD 6670 

GPUBoss recommends the AMD Radeon HD 6670  based on its benchmarks and compute performance.

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VS

Differences What are the advantages of each

Front view of Radeon HD 6670

Reasons to consider the
AMD Radeon HD 6670

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Much higher effective memory clock speed 4,000 MHz vs 800 MHz 5x higher effective memory clock speed
Significantly better 3DMark06 score 9,160 vs 2,930 Around 3.2x better 3DMark06 score
Higher memory bandwidth 64 GB/s vs 6.4 GB/s 10x higher memory bandwidth
Better 3DMark vantage graphics score 7,020 vs 890 Around 8x better 3DMark vantage graphics score
Higher clock speed 800 MHz vs 650 MHz Around 25% higher clock speed
Better PassMark score 1,052 vs 231 More than 4.5x better PassMark score
Slightly better 3DMark 11 graphics score 1,990 vs 330 More than 6x better 3DMark 11 graphics score
Better floating-point performance 768 GFLOPS vs 104 GFLOPS Around 7.5x better floating-point performance
Much higher memory clock speed 1,000 MHz vs 400 MHz 2.5x higher memory clock speed
Better sky diver factor score 88.99 vs 19.5 More than 4.5x better sky diver factor score
More shading units 480 vs 80 400 more shading units
More texture mapping units 24 vs 8 Three times as many texture mapping units
Wider memory bus 128 bit vs 64 bit 2x wider memory bus
Slightly more compute units 6 vs 2 Three times as many compute units
Slightly better manhattan score 2,774.23 vs 1,107.21 More than 2.5x better manhattan score
Better PassMark direct compute score 512 vs 83 Around 6.2x better PassMark direct compute score
Front view of Radeon HD 5450

Reasons to consider the
ATi Radeon HD 5450

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Lower TDP 19W vs 66W 3.5x lower TDP

Benchmarks Real world tests of Radeon HD 6670 vs 5450

Bitcoin mining Data courtesy CompuBench

Radeon HD 6670
38.55 mHash/s
Radeon HD 5450
10.12 mHash/s

Face detection Data courtesy CompuBench

Radeon HD 6670
5.23 mPixels/s
Radeon HD 5450
-1 mPixels/s

Ocean surface simulation Data courtesy CompuBench

Radeon HD 6670
235.46 frames/s
Radeon HD 5450
-1 frames/s

T-Rex (GFXBench 3.0) Data courtesy CompuBench

Radeon HD 6670
3,356.86
Radeon HD 5450
1,713.96

Manhattan (GFXBench 3.0) Data courtesy CompuBench

Radeon HD 6670
2,774.23
Radeon HD 5450
1,107.21

Fire Strike Factor Data courtesy FutureMark

Sky Diver Factor Data courtesy FutureMark

Cloud Gate Factor Data courtesy FutureMark

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