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Differences What are the advantages of each

Front view of Radeon HD 8760

Reasons to consider the
AMD Radeon HD 8760

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Significantly lower TDP 80W vs 175W 2.2x lower TDP
Front view of Radeon HD 7870

Reasons to consider the
AMD Radeon HD 7870

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Significantly higher memory bandwidth 153.6 GB/s vs 72 GB/s Around 2.2x higher memory bandwidth
Better floating-point performance 2,560 GFLOPS vs 1,280 GFLOPS 2x better floating-point performance
Higher texture rate 80 GTexel/s vs 40 GTexel/s 2x higher texture rate
Higher pixel rate 32 GPixel/s vs 16 GPixel/s 2x higher pixel rate
More render output processors 32 vs 16 Twice as many render output processors
More shading units 1,280 vs 640 Twice as many shading units
More texture mapping units 80 vs 40 Twice as many texture mapping units
More compute units 20 vs 10 Twice as many compute units
Wider memory bus 256 bit vs 128 bit 2x wider memory bus
Slightly higher memory clock speed 1,200 MHz vs 1,125 MHz More than 5% higher memory clock speed

Features Key features of the Radeon HD 8760  vs 7870 

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

Radeon HD 8760
72 GB/s
Radeon HD 7870
153.6 GB/s

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

Radeon HD 8760
16 GPixel/s
Radeon HD 7870
32 GPixel/s

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

Radeon HD 8760
40 GTexel/s
Radeon HD 7870
80 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon HD 8760
1,280 GFLOPS
Radeon HD 7870
2,560 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 8760  vs
7870 
GPU brand AMD AMD
GPU name Cape Verde XT Pitcairn XT
Market Desktop Desktop
Clock speed 1,000 MHz 1,000 MHz
Is dual GPU No No
Reference card None None

raw performance

Shading units 640 1,280
Texture mapping units 40 80
Render output processors 16 32
Compute units 10 20
Pixel rate 16 GPixel/s 32 GPixel/s
Texture rate 40 GTexel/s 80 GTexel/s
Floating-point performance 1,280 GFLOPS 2,560 GFLOPS

memory

Radeon HD 8760  vs
7870 
Memory clock speed 1,125 MHz 1,200 MHz
Effective memory clock speed 4,500 MHz 4,800 MHz
Memory bus 128 bit 256 bit
Memory 2,048 MB 2,048 MB
Memory type GDDR5 GDDR5
Memory bandwidth 72 GB/s 153.6 GB/s

noise and power

TDP 80W 175W

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