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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 1,200 MHz Around 2.8x higher effective memory clock speed
Slightly higher memory bandwidth 25.6 GB/s vs 9.6 GB/s Around 2.8x higher memory bandwidth
Higher memory clock speed 800 MHz vs 600 MHz Around 35% higher memory clock speed
Front view of GeForce 505

Reasons to consider the
Nvidia GeForce 505

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GPUBoss is not aware of any important advantages of the Nvidia GeForce 505 vs the AMD Radeon HD 6450.

Features Key features of the Radeon HD 6450  vs GeForce 505 

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

Radeon HD 6450
25.6 GB/s
GeForce 505
9.6 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 505
2.36 GPixel/s

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

Radeon HD 6450
5 GTexel/s
GeForce 505
4.71 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon HD 6450
GeForce 505
44.86 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 505 
GPU brand AMD Nvidia
GPU name Caicos PRO GT218 B1
Market Desktop Desktop
Clock speed 625 MHz 589 MHz
Is dual GPU No No
Reference card None None

raw performance

Shading units 160 16
Texture mapping units 8 8
Render output processors 4 4
Pixel rate 2.5 GPixel/s 2.36 GPixel/s
Texture rate 5 GTexel/s 4.71 GTexel/s
Floating-point performance 200 GFLOPS 44.86 GFLOPS


Radeon HD 6450  vs
GeForce 505 
Memory clock speed 800 MHz 600 MHz
Effective memory clock speed 3,200 MHz 1,200 MHz
Memory bus 64 bit 64 bit
Memory 512 MB 512 MB
Memory type GDDR5 DDR3
Memory bandwidth 25.6 GB/s 9.6 GB/s

noise and power

TDP 18W 25W

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