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Differences What are the advantages of each

Front view of Radeon HD 6870 X2

Reasons to consider the
AMD Radeon HD 6870 X2

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Is dual GPU Yes vs No About half of graphics cards are dual GPU
Significantly higher memory bandwidth 268.8 GB/s vs 192.3 GB/s Around 40% higher memory bandwidth
Better floating-point performance 4,032 GFLOPS vs 2,257.9 GFLOPS Around 80% better floating-point performance
Significantly higher pixel rate 57.6 GPixel/s vs 23.52 GPixel/s Around 2.5x higher pixel rate
Significantly more render output processors 64 vs 32 Twice as many render output processors
Significantly more shading units 2,240 vs 1,152 1088 more shading units
Much wider memory bus 512 bit vs 256 bit 2x wider memory bus
More texture mapping units 112 vs 96 16 more texture mapping units
Front view of GeForce GTX 760

Reasons to consider the
Nvidia GeForce GTX 760

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Significantly higher effective memory clock speed 6,008 MHz vs 4,200 MHz Around 45% higher effective memory clock speed
Higher clock speed 980 MHz vs 900 MHz Around 10% higher clock speed
Significantly higher memory clock speed 1,502 MHz vs 1,050 MHz Around 45% higher memory clock speed
Significantly lower TDP 170W vs 300W Around 45% lower TDP

Features Key features of the Radeon HD 6870 X2  vs GeForce GTX 760 

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

Radeon HD 6870 X2
268.8 GB/s
GeForce GTX 760
192.3 GB/s

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

Radeon HD 6870 X2
57.6 GPixel/s
GeForce GTX 760
23.52 GPixel/s

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

Radeon HD 6870 X2
100.8 GTexel/s
GeForce GTX 760
94.1 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon HD 6870 X2
4,032 GFLOPS
GeForce GTX 760
2,257.9 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

Reviews Word on the street

Specifications Full list of technical specs

gpu

Radeon HD 6870 X2  vs
GeForce GTX 760 
GPU brand AMD Nvidia
GPU name Barts XT GK116
Market Desktop Desktop
Clock speed 900 MHz 980 MHz
Is dual GPU Yes No
Reference card None None

raw performance

Shading units 2,240 1,152
Texture mapping units 112 96
Render output processors 64 32
Pixel rate 57.6 GPixel/s 23.52 GPixel/s
Texture rate 100.8 GTexel/s 94.1 GTexel/s
Floating-point performance 4,032 GFLOPS 2,257.9 GFLOPS

memory

Radeon HD 6870 X2  vs
GeForce GTX 760 
Memory clock speed 1,050 MHz 1,502 MHz
Effective memory clock speed 4,200 MHz 6,008 MHz
Memory bus 512 bit 256 bit
Memory 2,048 MB 2,048 MB
Memory type GDDR5 GDDR5
Memory bandwidth 268.8 GB/s 192.3 GB/s

noise and power

TDP 300W 170W

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