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Differences What are the advantages of each

Front view of Radeon HD 6870 1600SP

Reasons to consider the
Sapphire Radeon HD 6870 1600SP

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GPUBoss is not aware of any important advantages of the Sapphire Radeon HD 6870 1600SP vs the Nvidia GeForce GTX 970.

Front view of GeForce GTX 970

Reasons to consider the
Nvidia GeForce GTX 970

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Much higher effective memory clock speed 7,012 MHz vs 4,200 MHz More than 65% higher effective memory clock speed
Significantly higher memory bandwidth 224.4 GB/s vs 134.4 GB/s More than 65% higher memory bandwidth
More memory 4,096 MB vs 1,024 MB 4x more memory
Higher clock speed 1,050 MHz vs 900 MHz More than 15% higher clock speed
Higher pixel rate 58.8 GPixel/s vs 28.8 GPixel/s More than 2x higher pixel rate
Significantly more render output processors 56 vs 32 24 more render output processors
Higher texture rate 109.2 GTexel/s vs 72 GTexel/s More than 50% higher texture rate
Much higher memory clock speed 1,753 MHz vs 1,050 MHz More than 65% higher memory clock speed
Better floating-point performance 3,494 GFLOPS vs 2,880 GFLOPS More than 20% better floating-point performance
More texture mapping units 104 vs 80 24 more texture mapping units
Lower TDP 148W vs 175W More than 15% lower TDP

Features Key features of the Radeon HD 6870 1600SP  vs GeForce GTX 970 

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

GeForce GTX 970
224.4 GB/s

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

Radeon HD 6870 1600SP
28.8 GPixel/s
GeForce GTX 970
58.8 GPixel/s

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

Radeon HD 6870 1600SP
72 GTexel/s
GeForce GTX 970
109.2 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon HD 6870 1600SP
2,880 GFLOPS
GeForce GTX 970
3,494 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 6870 1600SP  vs
GeForce GTX 970 
GPU brand AMD Nvidia
GPU name Cypress GM204
Market Desktop Desktop
Clock speed 900 MHz 1,050 MHz
Is dual GPU No No
Reference card AMD Radeon HD 6870 1600SP Edition 850 MHz 1 GB None

raw performance

Shading units 1,600 1,664
Texture mapping units 80 104
Render output processors 32 56
Pixel rate 28.8 GPixel/s 58.8 GPixel/s
Texture rate 72 GTexel/s 109.2 GTexel/s
Floating-point performance 2,880 GFLOPS 3,494 GFLOPS

memory

Radeon HD 6870 1600SP  vs
GeForce GTX 970 
Memory clock speed 1,050 MHz 1,753 MHz
Effective memory clock speed 4,200 MHz 7,012 MHz
Memory bus 256 bit 256 bit
Memory 1,024 MB 4,096 MB
Memory type GDDR5 GDDR5
Memory bandwidth 134.4 GB/s 224.4 GB/s

noise and power

TDP 175W 148W

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