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Differences What are the advantages of each

Front view of Radeon HD 7790

Reasons to consider the
AMD Radeon HD 7790

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Much higher clock speed 1,000 MHz vs 650 MHz Around 55% higher clock speed
Significantly higher effective memory clock speed 6,000 MHz vs 3,400 MHz More than 75% higher effective memory clock speed
Better floating-point performance 1,792 GFLOPS vs 873.6 GFLOPS More than 2x better floating-point performance
Significantly higher memory clock speed 1,500 MHz vs 850 MHz More than 75% higher memory clock speed
Higher texture rate 56 GTexel/s vs 36.4 GTexel/s Around 55% higher texture rate
More shading units 896 vs 336 560 more shading units
Lower TDP 85W vs 150W Around 45% lower TDP
Front view of GeForce GTX 460

Reasons to consider the
Nvidia GeForce GTX 460

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More render output processors 32 vs 16 Twice as many render output processors

Features Key features of the Radeon HD 7790  vs GeForce GTX 460 

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

Radeon HD 7790
96 GB/s
GeForce GTX 460
108.8 GB/s

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

Radeon HD 7790
16 GPixel/s
GeForce GTX 460
9.1 GPixel/s

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

Radeon HD 7790
56 GTexel/s
GeForce GTX 460
36.4 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon HD 7790
1,792 GFLOPS
GeForce GTX 460
873.6 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

Radeon HD 7790  vs GeForce GTX 460 

The card features a custom-design dual-fan cooler and offers factory-overclocked speeds of 1075 MHz core and 6.40 GHz memory for a premium of just $10 over AMD's suggested reference design retail price of $149.
Radeon HD 7790

Specifications Full list of technical specs


Radeon HD 7790  vs
GeForce GTX 460 
GPU brand AMD Nvidia
GPU name Bonaire XT GF104
Market Desktop Desktop
Clock speed 1,000 MHz 650 MHz
Is dual GPU No No
Reference card None None

raw performance

Shading units 896 336
Texture mapping units 56 56
Render output processors 16 32
Pixel rate 16 GPixel/s 9.1 GPixel/s
Texture rate 56 GTexel/s 36.4 GTexel/s
Floating-point performance 1,792 GFLOPS 873.6 GFLOPS


Radeon HD 7790  vs
GeForce GTX 460 
Memory clock speed 1,500 MHz 850 MHz
Effective memory clock speed 6,000 MHz 3,400 MHz
Memory bus 128 bit 256 bit
Memory 1,024 MB 1,024 MB
Memory type GDDR5 GDDR5
Memory bandwidth 96 GB/s 108.8 GB/s

noise and power

TDP 85W 150W


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