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Differences What are the advantages of each

Front view of Radeon HD 5770 X2

Reasons to consider the
Generic Radeon HD 5770 X2

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Is dual GPU Yes vs No About half of graphics cards are dual GPU
Higher memory bandwidth 153.6 GB/s vs 112.2 GB/s More than 35% higher memory bandwidth
More shading units 1,600 vs 1,024 576 more shading units
Wider memory bus 256 bit vs 128 bit 2x wider memory bus
More texture mapping units 80 vs 64 16 more texture mapping units
Front view of GeForce GTX 960

Reasons to consider the
Nvidia GeForce GTX 960

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Higher clock speed 1,127 MHz vs 850 MHz Around 35% higher clock speed
Significantly higher effective memory clock speed 7,012 MHz vs 4,800 MHz More than 45% higher effective memory clock speed
Significantly higher memory clock speed 1,753 MHz vs 1,200 MHz More than 45% higher memory clock speed
Higher pixel rate 36.1 GPixel/s vs 27.2 GPixel/s Around 35% higher pixel rate

Features Key features of the Radeon HD 5770 X2  vs GeForce GTX 960 

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

Radeon HD 5770 X2
153.6 GB/s
GeForce GTX 960
112.2 GB/s

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

Radeon HD 5770 X2
27.2 GPixel/s
GeForce GTX 960
36.1 GPixel/s

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

Radeon HD 5770 X2
68 GTexel/s
GeForce GTX 960
72.1 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon HD 5770 X2
2,720 GFLOPS
GeForce GTX 960
2,308.1 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 5770 X2  vs
GeForce GTX 960 
GPU brand ATI Nvidia
GPU name Juniper GM206
Market Desktop Desktop
Clock speed 850 MHz 1,127 MHz
Is dual GPU Yes No
Reference card ATi Radeon HD 5770 X2 850 MHz 2 GB None

raw performance

Shading units 1,600 1,024
Texture mapping units 80 64
Render output processors 32 32
Pixel rate 27.2 GPixel/s 36.1 GPixel/s
Texture rate 68 GTexel/s 72.1 GTexel/s
Floating-point performance 2,720 GFLOPS 2,308.1 GFLOPS

memory

Radeon HD 5770 X2  vs
GeForce GTX 960 
Memory clock speed 1,200 MHz 1,753 MHz
Effective memory clock speed 4,800 MHz 7,012 MHz
Memory bus 256 bit 128 bit
Memory 2,048 MB 2,048 MB
Memory type GDDR5 GDDR5
Memory bandwidth 153.6 GB/s 112.2 GB/s

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