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Differences What are the advantages of each

Front view of Radeon Sky 700

Reasons to consider the
AMD Radeon Sky 700

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More memory 6,144 MB vs 4,096 MB 50% more memory
Higher memory bandwidth 264 GB/s vs 224.4 GB/s Around 20% higher memory bandwidth
Front view of GeForce GTX 970

Reasons to consider the
Nvidia GeForce GTX 970

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Higher clock speed 1,050 MHz vs 900 MHz More than 15% higher clock speed
Higher effective memory clock speed 7,012 MHz vs 5,500 MHz More than 25% higher effective memory clock speed
Higher pixel rate 58.8 GPixel/s vs 28.8 GPixel/s More than 2x higher pixel rate
More render output processors 56 vs 32 24 more render output processors
Higher memory clock speed 1,753 MHz vs 1,375 MHz More than 25% higher memory clock speed
Lower TDP 148W vs 225W Around 35% lower TDP

Features Key features of the Radeon Sky 700  vs GeForce GTX 970 

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

Radeon Sky 700
264 GB/s
GeForce GTX 970
224.4 GB/s

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

Radeon Sky 700
28.8 GPixel/s
GeForce GTX 970
58.8 GPixel/s

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

Radeon Sky 700
100.8 GTexel/s
GeForce GTX 970
109.2 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon Sky 700
3,226 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 Sky 700  vs
GeForce GTX 970 
GPU brand AMD Nvidia
GPU name Tahiti GM204
Clock speed 900 MHz 1,050 MHz
Is dual GPU No No
Reference card None None

raw performance

Shading units 1,792 1,664
Texture mapping units 112 104
Render output processors 32 56
Pixel rate 28.8 GPixel/s 58.8 GPixel/s
Texture rate 100.8 GTexel/s 109.2 GTexel/s
Floating-point performance 3,226 GFLOPS 3,494 GFLOPS

memory

Radeon Sky 700  vs
GeForce GTX 970 
Memory clock speed 1,375 MHz 1,753 MHz
Effective memory clock speed 5,500 MHz 7,012 MHz
Memory bus 384 bit 256 bit
Memory 6,144 MB 4,096 MB
Memory type GDDR5 GDDR5
Memory bandwidth 264 GB/s 224.4 GB/s

noise and power

TDP 225W 148W

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