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Differences What are the advantages of each

Front view of Radeon HD 6570

Reasons to consider the
Sapphire Radeon HD 6570

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Much more memory 4,096 MB vs 1,024 MB 4x more memory
More shading units 480 vs 96 384 more shading units
Slightly more render output processors 8 vs 4 Twice as many render output processors
Front view of GeForce GT 630

Reasons to consider the
EVGA GeForce GT 630

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Significantly higher clock speed 810 MHz vs 650 MHz Around 25% higher clock speed
Higher effective memory clock speed 3,200 MHz vs 1,334 MHz Around 2.5x higher effective memory clock speed
Slightly higher memory bandwidth 51.2 GB/s vs 21.3 GB/s Around 2.5x higher memory bandwidth
Higher memory clock speed 800 MHz vs 667 MHz Around 20% higher memory clock speed

Features Key features of the Radeon HD 6570  vs GeForce GT 630 

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

Radeon HD 6570
21.3 GB/s
GeForce GT 630
51.2 GB/s

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

Radeon HD 6570
5.2 GPixel/s
GeForce GT 630
3.24 GPixel/s

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

Radeon HD 6570
15.6 GTexel/s
GeForce GT 630
13 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon HD 6570
624 GFLOPS
GeForce GT 630
311 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 6570  vs
GeForce GT 630 
GPU brand AMD Nvidia
GPU name Turks PRO GF108
Market Desktop Desktop
Clock speed 650 MHz 810 MHz
Is dual GPU No No
Reference card AMD Radeon HD 6570 650 MHz 2 GB Nvidia GeForce GT 630 810 MHz 1 GB

raw performance

Shading units 480 96
Texture mapping units 24 16
Render output processors 8 4
Pixel rate 5.2 GPixel/s 3.24 GPixel/s
Texture rate 15.6 GTexel/s 13 GTexel/s
Floating-point performance 624 GFLOPS 311 GFLOPS

memory

Radeon HD 6570  vs
GeForce GT 630 
Memory clock speed 667 MHz 800 MHz
Effective memory clock speed 1,334 MHz 3,200 MHz
Memory bus 128 bit 128 bit
Memory 4,096 MB 1,024 MB
Memory type DDR3 GDDR5
Memory bandwidth 21.3 GB/s 51.2 GB/s

noise and power

TDP 60W 65W

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