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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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Lower TDP 39W vs 75W Around 50% lower TDP
Front view of GeForce GTX 860M

Reasons to consider the
Nvidia GeForce GTX 860M

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Much higher clock speed 1,020 MHz vs 575 MHz More than 75% higher clock speed
Significantly higher effective memory clock speed 5,012 MHz vs 1,600 MHz Around 3.2x higher effective memory clock speed
Higher memory bandwidth 80.2 GB/s vs 25.6 GB/s Around 3.2x higher memory bandwidth
More memory 2,048 MB vs 1,024 MB 2x more memory
Significantly higher memory clock speed 1,253 MHz vs 800 MHz More than 55% higher memory clock speed
Higher texture rate 40.8 GTexel/s vs 23 GTexel/s More than 75% higher texture rate
Slightly higher pixel rate 16.32 GPixel/s vs 9.2 GPixel/s More than 75% higher pixel rate

Features Key features of the Radeon HD 6830M  vs GeForce GTX 860M 

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

Radeon HD 6830M
25.6 GB/s
GeForce GTX 860M
80.2 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 860M
16.32 GPixel/s

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

Radeon HD 6830M
23 GTexel/s
GeForce GTX 860M
40.8 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon HD 6830M
920 GFLOPS
GeForce GTX 860M
1,305.6 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 860M 
GPU brand AMD Nvidia
GPU name Granville GM107
Market Laptop Laptop
Clock speed 575 MHz 1,020 MHz
Is dual GPU No No
Reference card None Nvidia GeForce GTX 860M 797 MHz 2 GB

raw performance

Shading units 800 640
Texture mapping units 40 40
Render output processors 16 16
Pixel rate 9.2 GPixel/s 16.32 GPixel/s
Texture rate 23 GTexel/s 40.8 GTexel/s
Floating-point performance 920 GFLOPS 1,305.6 GFLOPS

memory

Radeon HD 6830M  vs
GeForce GTX 860M 
Memory clock speed 800 MHz 1,253 MHz
Effective memory clock speed 1,600 MHz 5,012 MHz
Memory bus 128 bit 128 bit
Memory 1,024 MB 2,048 MB
Memory type DDR3 GDDR5
Memory bandwidth 25.6 GB/s 80.2 GB/s

noise and power

TDP 39W 75W

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