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Differences What are the advantages of each

Front view of Radeon HD 8450

Reasons to consider the
AMD Radeon HD 8450

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Slightly higher clock speed 625 MHz vs 575 MHz Around 10% higher clock speed
Slightly more shading units 160 vs 48 112 more shading units
Front view of GeForce GT 330M

Reasons to consider the
Nvidia GeForce GT 330M

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Higher memory clock speed 800 MHz vs 667 MHz Around 20% higher memory clock speed

Features Key features of the Radeon HD 8450  vs GeForce GT 330M 

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

Radeon HD 8450
10.67 GB/s
GeForce GT 330M
25.6 GB/s

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

Radeon HD 8450
2.5 GPixel/s
GeForce GT 330M
4.6 GPixel/s

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

Radeon HD 8450
5 GTexel/s
GeForce GT 330M
9.2 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon HD 8450
200 GFLOPS
GeForce GT 330M
121.4 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 8450  vs
GeForce GT 330M 
GPU brand AMD Nvidia
GPU name Caicos PRO GT216
Market Desktop Laptop
Clock speed 625 MHz 575 MHz
Is dual GPU No No
Reference card None None

raw performance

Shading units 160 48
Texture mapping units 8 16
Render output processors 4 8
Pixel rate 2.5 GPixel/s 4.6 GPixel/s
Texture rate 5 GTexel/s 9.2 GTexel/s
Floating-point performance 200 GFLOPS 121.4 GFLOPS

memory

Radeon HD 8450  vs
GeForce GT 330M 
Memory clock speed 667 MHz 800 MHz
Effective memory clock speed 1,334 MHz 1,600 MHz
Memory bus 64 bit 128 bit
Memory 1,024 MB 1,024 MB
Memory type DDR3 GDDR3
Memory bandwidth 10.67 GB/s 25.6 GB/s

noise and power

TDP 18W 23W

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