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Differences What are the advantages of each

Front view of Radeon HD 6450A

Reasons to consider the
AMD Radeon HD 6450A

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Lower TDP 25W vs 106W 4.2x lower TDP
Front view of GeForce GTS 450

Reasons to consider the
Nvidia GeForce GTS 450

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Higher clock speed 783 MHz vs 625 MHz More than 25% higher clock speed
More render output processors 16 vs 4 12 more render output processors
Higher memory clock speed 700 MHz vs 533 MHz More than 30% higher memory clock speed

Features Key features of the Radeon HD 6450A  vs GeForce GTS 450 

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

Radeon HD 6450A
8.53 GB/s
GeForce GTS 450
22.4 GB/s

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

Radeon HD 6450A
2.5 GPixel/s
GeForce GTS 450
4.7 GPixel/s

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

Radeon HD 6450A
5 GTexel/s
GeForce GTS 450
18.79 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon HD 6450A
GeForce GTS 450

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


Radeon HD 6450A  vs
GeForce GTS 450 
GPU brand AMD Nvidia
GPU name Caicos GF116
Market Laptop Desktop
Clock speed 625 MHz 783 MHz
Is dual GPU No No
Reference card None None

raw performance

Shading units 160 144
Texture mapping units 8 24
Render output processors 4 16
Pixel rate 2.5 GPixel/s 4.7 GPixel/s
Texture rate 5 GTexel/s 18.79 GTexel/s
Floating-point performance 200 GFLOPS 451 GFLOPS


Radeon HD 6450A  vs
GeForce GTS 450 
Memory clock speed 533 MHz 700 MHz
Effective memory clock speed 1,066 MHz 1,400 MHz
Memory bus 64 bit 128 bit
Memory 512 MB 1,024 MB
Memory type DDR3 DDR3
Memory bandwidth 8.53 GB/s 22.4 GB/s

noise and power

TDP 25W 106W


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