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Differences What are the advantages of each

Front view of Radeon HD 6450

Reasons to consider the
AMD Radeon HD 6450

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Significantly higher effective memory clock speed 3,200 MHz vs 1,580 MHz More than 2x higher effective memory clock speed
Higher clock speed 625 MHz vs 475 MHz More than 30% higher clock speed
Front view of GeForce 315

Reasons to consider the
Nvidia GeForce 315

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Slightly more render output processors 8 vs 4 Twice as many render output processors
Slightly more texture mapping units 16 vs 8 Twice as many texture mapping units

Features Key features of the Radeon HD 6450  vs GeForce 315 

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

Radeon HD 6450
25.6 GB/s
GeForce 315
12.64 GB/s

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

Radeon HD 6450
2.5 GPixel/s
GeForce 315
3.8 GPixel/s

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

Radeon HD 6450
5 GTexel/s
GeForce 315
7.6 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon HD 6450
GeForce 315
105.6 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


Radeon HD 6450  vs
GeForce 315 
GPU brand AMD Nvidia
GPU name Caicos PRO GT216
Market Desktop Desktop
Clock speed 625 MHz 475 MHz
Is dual GPU No No
Reference card None Nvidia GeForce 315 OEM 506 MHz 256 MB

raw performance

Shading units 160 48
Texture mapping units 8 16
Render output processors 4 8
Pixel rate 2.5 GPixel/s 3.8 GPixel/s
Texture rate 5 GTexel/s 7.6 GTexel/s
Floating-point performance 200 GFLOPS 105.6 GFLOPS


Radeon HD 6450  vs
GeForce 315 
Memory clock speed 800 MHz 790 MHz
Effective memory clock speed 3,200 MHz 1,580 MHz
Memory bus 64 bit 64 bit
Memory 512 MB 512 MB
Memory type GDDR5 DDR3
Memory bandwidth 25.6 GB/s 12.64 GB/s

noise and power

TDP 18W 33W

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