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| Mobility Radeon HD 4650 vs 4570 |
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Differences What are the advantages of each
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More texture mapping units | 32 | vs | 8 | 24 more texture mapping units | |||
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Wider memory bus | 128 bit | vs | 64 bit | 2x wider memory bus | |||
More shading units | 320 | vs | 80 | 240 more shading units | |||
Slightly more compute units | 4 | vs | 1 | 3 more compute units | |||
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Higher clock speed | 680 MHz | vs | 500 MHz | More than 35% higher clock speed | |||
Higher memory clock speed | 800 MHz | vs | 600 MHz | Around 35% higher memory clock speed |
Benchmarks Real world tests of Mobility Radeon HD 4650 vs 4570
PassMark Industry standard benchmark for overall graphics card performanceData courtesy Passmark
Features Key features of the Mobility Radeon HD 4650 vs 4570
memory bandwidth Rate at which data can be read from or stored in onboard memory
Mobility Radeon HD 4650
19.2 GB/s
Mobility Radeon HD 4570
12.8 GB/s
pixel rate Number of pixels a graphics card can render to the screen every second
Mobility Radeon HD 4650
4 GPixel/s
Mobility Radeon HD 4570
2.72 GPixel/s
texture rate Speed at which a graphics card can perform texture mapping
Mobility Radeon HD 4650
16 GTexel/s
Mobility Radeon HD 4570
5.44 GTexel/s
floating point performance How fast the gpu can crunch numbers
Mobility Radeon HD 4650
320 GFLOPS
Mobility Radeon HD 4570
108.8 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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