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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 effective memory clock speed 1,400 MHz vs 800 MHz 75% higher effective memory clock speed
Slightly higher memory bandwidth 22.4 GB/s vs 6.4 GB/s Around 3.5x higher memory bandwidth
Higher memory clock speed 700 MHz vs 400 MHz 75% higher memory clock speed
Slightly higher texture rate 19.2 GTexel/s vs 4.32 GTexel/s Around 4.5x higher texture rate
More texture mapping units 32 vs 8 24 more texture mapping units
More shading units 320 vs 8 312 more shading units
Wider memory bus 128 bit vs 64 bit 2x wider memory bus
Front view of GeForce 9300 SE

Reasons to consider the
Nvidia GeForce 9300 SE

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GPUBoss is not aware of any important advantages of the Nvidia GeForce 9300 SE vs the BIOSTAR Radeon HD 4650.

Features Key features of the Radeon HD 4650  vs GeForce 9300 SE 

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

Radeon HD 4650
22.4 GB/s
GeForce 9300 SE
6.4 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 9300 SE
2.16 GPixel/s

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

Radeon HD 4650
19.2 GTexel/s
GeForce 9300 SE
4.32 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon HD 4650
GeForce 9300 SE

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 4650  vs
GeForce 9300 SE 
GPU brand ATI Nvidia
GPU name RV730 G98
Market Desktop Desktop
Clock speed 600 MHz 540 MHz
Is dual GPU No No
Reference card ATi Radeon HD 4650 600 MHz 256 MB None

raw performance

Shading units 320 8
Texture mapping units 32 8
Render output processors 8 4
Pixel rate 4.8 GPixel/s 2.16 GPixel/s
Texture rate 19.2 GTexel/s 4.32 GTexel/s
Floating-point performance 384 GFLOPS 20.8 GFLOPS


Radeon HD 4650  vs
GeForce 9300 SE 
Memory clock speed 700 MHz 400 MHz
Effective memory clock speed 1,400 MHz 800 MHz
Memory bus 128 bit 64 bit
Memory 256 MB 256 MB
Memory type GDDR3 DDR2
Memory bandwidth 22.4 GB/s 6.4 GB/s

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