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Differences What are the advantages of each

Front view of Radeon HD 4650

Reasons to consider the
BIOSTAR Radeon HD 4650

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Higher clock speed 600 MHz vs 506 MHz Around 20% higher clock speed
More shading units 320 vs 48 272 more shading units
More texture mapping units 32 vs 16 Twice as many texture mapping units
Front view of GeForce GT 220

Reasons to consider the
Nvidia GeForce GT 220

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GPUBoss is not aware of any important advantages of the Nvidia GeForce GT 220 vs the BIOSTAR Radeon HD 4650.

Benchmarks Real world tests of Radeon HD 4650 vs GeForce GT 220

T-Rex (GFXBench 3.0) Data courtesy CompuBench

Radeon HD 4650
1,732.76
GeForce GT 220
1,831.27

Features Key features of the Radeon HD 4650  vs GeForce GT 220 

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

Radeon HD 4650
22.4 GB/s
GeForce GT 220
22.4 GB/s

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

Radeon HD 4650
4.8 GPixel/s
GeForce GT 220
4.05 GPixel/s

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

Radeon HD 4650
19.2 GTexel/s
GeForce GT 220
8.1 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon HD 4650
384 GFLOPS
GeForce GT 220
97.15 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

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