GPUBoss Review Our evaluation of 7670M vs 820M among Laptop GPUs under 35W TDP

Gaming

Battlefield 3, Battlefield 4, Bioshock Infinite and 21 more

Graphics

T-Rex, Manhattan and Cloud Gate Factor

Computing

Face Detection, Ocean Surface Simulation and 3 more

Performance per Watt

Battlefield 3, Battlefield 4, Bioshock Infinite and 30 more

Value

Battlefield 3, Battlefield 4, Bioshock Infinite and 30 more

Noise and Power

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

5.9

Overall Score

Winner
Nvidia GeForce 820M 

GPUBoss recommends the Nvidia GeForce 820M  based on its compute performance.

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VS
Front view of GeForce 820M

Nvidia GeForce 820M

GPUBoss Winner

Differences What are the advantages of each

Front view of Radeon HD 7670M

Reasons to consider the
AMD Radeon HD 7670M

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Higher effective memory clock speed 3,600 MHz vs 1,800 MHz 2x higher effective memory clock speed
Much higher dirt3 framerate 14.3 vs 13.7 Around 5% higher dirt3 framerate
Higher memory bandwidth 57.6 GB/s vs 14.4 GB/s 4x higher memory bandwidth
Slightly better PassMark score 814 vs 600 More than 35% better PassMark score
Slightly higher pixel rate 9.6 GPixel/s vs 2.5 GPixel/s More than 3.8x higher pixel rate
More shading units 480 vs 96 384 more shading units
More render output processors 16 vs 8 Twice as many render output processors
Wider memory bus 128 bit vs 64 bit 2x wider memory bus
Front view of GeForce 820M

Reasons to consider the
Nvidia GeForce 820M

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Much better manhattan score 3,533.46 vs 1,737.63 More than 2x better manhattan score
Slightly better face detection score 7.69 mPixels/s vs 2.47 mPixels/s More than 3x better face detection score

Benchmarks Real world tests of Radeon HD 7670M vs GeForce 820M

Face detection Data courtesy CompuBench

Radeon HD 7670M
2.47 mPixels/s
GeForce 820M
7.69 mPixels/s

Ocean surface simulation Data courtesy CompuBench

Radeon HD 7670M
210.9 frames/s
GeForce 820M
160.28 frames/s

Particle simulation Data courtesy CompuBench

Radeon HD 7670M
84.18 mInteraction/s
GeForce 820M
74.26 mInteraction/s

T-Rex (GFXBench 3.0) Data courtesy CompuBench

Radeon HD 7670M
1,803.68
GeForce 820M
3,352.98

Manhattan (GFXBench 3.0) Data courtesy CompuBench

Radeon HD 7670M
1,737.63
GeForce 820M
3,533.46

Fire Strike Factor Data courtesy FutureMark

Sky Diver Factor Data courtesy FutureMark

Dirt3

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