Radeon HD 6990M vs GeForce GTX 960M

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AMD Radeon HD 6990M

Nvidia GeForce GTX 960M

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Reasons to consider the
AMD Radeon HD 6990M

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Higher memory bandwidth

115.2 GB/s

80.2 GB/s

Around 45% higher memory bandwidth

More render output processors

Twice as many render output processors

Significantly wider memory bus

256 bit

128 bit

2x wider memory bus

More shading units

1,120

640

480 more shading units

More texture mapping units

16 more texture mapping units

Reasons to consider the
Nvidia GeForce GTX 960M

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Significantly higher clock speed

1,097 MHz

715 MHz

Around 55% higher clock speed

Higher effective memory clock speed

5,012 MHz

3,600 MHz

Around 40% higher effective memory clock speed

Significantly higher memory clock speed

1,253 MHz

900 MHz

Around 40% higher memory clock speed

Lower TDP

75W

100W

25% lower TDP

memory bandwidth Rate at which data can be read from or stored in onboard memory

Radeon HD 6990M

115.2 GB/s

GeForce GTX 960M

80.2 GB/s

pixel rate Number of pixels a graphics card can render to the screen every second

Radeon HD 6990M

22.88 GPixel/s

GeForce GTX 960M

17.55 GPixel/s

texture rate Speed at which a graphics card can perform texture mapping

Radeon HD 6990M

40 GTexel/s

GeForce GTX 960M

43.9 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon HD 6990M

1,601.6 GFLOPS

GeForce GTX 960M

1,404.2 GFLOPS

shading units Subcomponents of the gpu, these run in parallel to enable fast pixel shading

Radeon HD 6990M

1,120

GeForce GTX 960M

640

texture mapping units Built into each gpu, these resize and rotate bitmaps for texturing scenes

Radeon HD 6990M

GeForce GTX 960M

gpu	Radeon HD 6990M	GeForce GTX 960M
GPU brand	AMD	Nvidia
GPU name	Blackcomb	GM107
Market	Laptop	Laptop
Clock speed	715 MHz	1,097 MHz
Is dual GPU	No	No
Reference card	None	None
raw performance
Shading units	1,120	640
Texture mapping units	56	40
Render output processors	32	16
Pixel rate	22.88 GPixel/s	17.55 GPixel/s
Texture rate	40 GTexel/s	43.9 GTexel/s
Floating-point performance	1,601.6 GFLOPS	1,404.2 GFLOPS

memory	Radeon HD 6990M	GeForce GTX 960M
Memory clock speed	900 MHz	1,253 MHz
Effective memory clock speed	3,600 MHz	5,012 MHz
Memory bus	256 bit	128 bit
Memory	2,048 MB	2,048 MB
Memory type	GDDR5	GDDR5
Memory bandwidth	115.2 GB/s	80.2 GB/s
noise and power
TDP	100W	75W