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Differences What are the advantages of each

Front view of Radeon HD 6830M

Reasons to consider the
AMD Radeon HD 6830M

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More shading units 800 vs 336 464 more shading units
Significantly lower TDP 39W vs 150W 3.8x lower TDP
Front view of GeForce GTX 560

Reasons to consider the
EVGA GeForce GTX 560

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Significantly higher clock speed 900 MHz vs 575 MHz More than 55% higher clock speed
Significantly higher effective memory clock speed 4,160 MHz vs 1,600 MHz More than 2.5x higher effective memory clock speed
Higher memory bandwidth 133.1 GB/s vs 25.6 GB/s Around 5.2x higher memory bandwidth
More render output processors 32 vs 16 Twice as many render output processors
Higher texture rate 50.4 GTexel/s vs 23 GTexel/s Around 2.2x higher texture rate
Higher memory clock speed 1,040 MHz vs 800 MHz 30% higher memory clock speed

Features Key features of the Radeon HD 6830M  vs GeForce GTX 560 

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

Radeon HD 6830M
25.6 GB/s
GeForce GTX 560
133.1 GB/s

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

Radeon HD 6830M
9.2 GPixel/s
GeForce GTX 560
12.6 GPixel/s

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

Radeon HD 6830M
23 GTexel/s
GeForce GTX 560
50.4 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon HD 6830M
920 GFLOPS
GeForce GTX 560
1,209.6 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

Specifications Full list of technical specs

gpu

Radeon HD 6830M  vs
GeForce GTX 560 
GPU brand AMD Nvidia
GPU name Granville GF114
Market Laptop Desktop
Clock speed 575 MHz 900 MHz
Is dual GPU No No
Reference card None Nvidia GeForce GTX 560 810 MHz 1 GB

raw performance

Shading units 800 336
Texture mapping units 40 56
Render output processors 16 32
Pixel rate 9.2 GPixel/s 12.6 GPixel/s
Texture rate 23 GTexel/s 50.4 GTexel/s
Floating-point performance 920 GFLOPS 1,209.6 GFLOPS

memory

Radeon HD 6830M  vs
GeForce GTX 560 
Memory clock speed 800 MHz 1,040 MHz
Effective memory clock speed 1,600 MHz 4,160 MHz
Memory bus 128 bit 256 bit
Memory 1,024 MB 1,024 MB
Memory type DDR3 GDDR5
Memory bandwidth 25.6 GB/s 133.1 GB/s

noise and power

TDP 39W 150W

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