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Differences What are the advantages of each

Front view of Radeon HD 8970M

Reasons to consider the
AMD Radeon HD 8970M

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Significantly higher memory bandwidth 153.6 GB/s vs 64 GB/s Around 2.5x higher memory bandwidth
Higher clock speed 850 MHz vs 700 MHz More than 20% higher clock speed
More memory 4,096 MB vs 2,048 MB 2x more memory
Better floating-point performance 2,304 GFLOPS vs 1,254 GFLOPS Around 85% better floating-point performance
Higher pixel rate 28.8 GPixel/s vs 11.2 GPixel/s More than 2.5x higher pixel rate
Higher texture rate 72 GTexel/s vs 39.2 GTexel/s Around 85% higher texture rate
Higher effective memory clock speed 4,800 MHz vs 4,000 MHz 20% higher effective memory clock speed
More render output processors 32 vs 16 Twice as many render output processors
Significantly wider memory bus 256 bit vs 128 bit 2x wider memory bus
More shading units 1,280 vs 896 384 more shading units
More texture mapping units 80 vs 56 24 more texture mapping units
Higher memory clock speed 1,200 MHz vs 1,000 MHz 20% higher memory clock speed
More compute units 20 vs 16 4 more compute units
Front view of Radeon HD 8950M

Reasons to consider the
AMD Radeon HD 8950M

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GPUBoss is not aware of any important advantages of the 8950M vs the 8970M.

Features Key features of the Radeon HD 8970M  vs 8950M 

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

Radeon HD 8970M
153.6 GB/s
Radeon HD 8950M
64 GB/s

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

Radeon HD 8970M
28.8 GPixel/s
Radeon HD 8950M
11.2 GPixel/s

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

Radeon HD 8970M
72 GTexel/s
Radeon HD 8950M
39.2 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon HD 8970M
2,304 GFLOPS
Radeon HD 8950M
1,254 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


Radeon HD 8970M  vs
GPU name Neptune Saturn
Market Laptop Laptop
Clock speed 850 MHz 700 MHz
Is dual GPU No No
Reference card None None

raw performance

Shading units 1,280 896
Texture mapping units 80 56
Render output processors 32 16
Compute units 20 16
Pixel rate 28.8 GPixel/s 11.2 GPixel/s
Texture rate 72 GTexel/s 39.2 GTexel/s
Floating-point performance 2,304 GFLOPS 1,254 GFLOPS


Radeon HD 8970M  vs
Memory clock speed 1,200 MHz 1,000 MHz
Effective memory clock speed 4,800 MHz 4,000 MHz
Memory bus 256 bit 128 bit
Memory 4,096 MB 2,048 MB
Memory type GDDR5 GDDR5
Memory bandwidth 153.6 GB/s 64 GB/s


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