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Differences What are the advantages of each

Front view of Radeon HD 6770M

Reasons to consider the
AMD Radeon HD 6770M

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Higher clock speed 725 MHz vs 550 MHz More than 30% higher clock speed
More shading units 480 vs 96 384 more shading units
Front view of GeForce GTS 260M

Reasons to consider the
Nvidia GeForce GTS 260M

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Slightly more texture mapping units 32 vs 24 8 more texture mapping units

Features Key features of the Radeon HD 6770M  vs GeForce GTS 260M 

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

Radeon HD 6770M
57.6 GB/s
GeForce GTS 260M
57.6 GB/s

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

Radeon HD 6770M
5.8 GPixel/s
GeForce GTS 260M
4.4 GPixel/s

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

Radeon HD 6770M
17.4 GTexel/s
GeForce GTS 260M
17.6 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon HD 6770M
696 GFLOPS
GeForce GTS 260M
264 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 6770M  vs
GeForce GTS 260M 
GPU brand AMD Nvidia
GPU name Whistler GT215
Market Laptop Laptop
Clock speed 725 MHz 550 MHz
Is dual GPU No No
Reference card None None

raw performance

Shading units 480 96
Texture mapping units 24 32
Render output processors 8 8
Pixel rate 5.8 GPixel/s 4.4 GPixel/s
Texture rate 17.4 GTexel/s 17.6 GTexel/s
Floating-point performance 696 GFLOPS 264 GFLOPS

memory

Radeon HD 6770M  vs
GeForce GTS 260M 
Memory clock speed 900 MHz 900 MHz
Effective memory clock speed 3,600 MHz 3,600 MHz
Memory bus 128 bit 128 bit
Memory 1,024 MB 1,024 MB
Memory type GDDR5 GDDR5
Memory bandwidth 57.6 GB/s 57.6 GB/s

noise and power

TDP 35W 38W

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