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Differences What are the advantages of each

Front view of Radeon HD 8950M

Reasons to consider the
AMD Radeon HD 8950M

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Higher effective memory clock speed 4,000 MHz vs 2,002 MHz Around 2x higher effective memory clock speed
Higher memory bandwidth 64 GB/s vs 32 GB/s 2x higher memory bandwidth
More shading units 896 vs 640 256 more shading units
More texture mapping units 56 vs 40 16 more texture mapping units
Front view of GeForce GTX 850M

Reasons to consider the
Nvidia GeForce GTX 850M

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Higher clock speed 902 MHz vs 700 MHz Around 30% higher clock speed

Features Key features of the Radeon HD 8950M  vs GeForce GTX 850M 

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

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

Radeon HD 8950M
11.2 GPixel/s
GeForce GTX 850M
14.43 GPixel/s

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

Radeon HD 8950M
39.2 GTexel/s
GeForce GTX 850M
36.1 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon HD 8950M
1,254 GFLOPS
GeForce GTX 850M
1,154.6 GFLOPS

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

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

Specifications Full list of technical specs

gpu

Radeon HD 8950M  vs
GeForce GTX 850M 
GPU brand AMD Nvidia
GPU name Saturn GM107
Market Laptop Laptop
Clock speed 700 MHz 902 MHz
Is dual GPU No No
Reference card None None

raw performance

Shading units 896 640
Texture mapping units 56 40
Render output processors 16 16
Pixel rate 11.2 GPixel/s 14.43 GPixel/s
Texture rate 39.2 GTexel/s 36.1 GTexel/s
Floating-point performance 1,254 GFLOPS 1,154.6 GFLOPS

memory

Radeon HD 8950M  vs
GeForce GTX 850M 
Memory clock speed 1,000 MHz 1,001 MHz
Effective memory clock speed 4,000 MHz 2,002 MHz
Memory bus 128 bit 128 bit
Memory 2,048 MB 2,048 MB
Memory type GDDR5 DDR3
Memory bandwidth 64 GB/s 32 GB/s

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