Radeon HD 5570 vs 5450 PCIe x1 |
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Differences What are the advantages of each
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| Higher effective memory clock speed | 1,600 MHz | vs | 1,000 MHz | 60% higher effective memory clock speed | |||
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| Higher memory bandwidth | 25.6 GB/s | vs | 8 GB/s | Around 3.2x higher memory bandwidth | |||
| Higher memory clock speed | 800 MHz | vs | 500 MHz | 60% higher memory clock speed | |||
| More shading units | 400 | vs | 80 | 320 more shading units | |||
| Wider memory bus | 128 bit | vs | 64 bit | 2x wider memory bus | |||
| Slightly more texture mapping units | 20 | vs | 8 | 12 more texture mapping units | |||
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| Slightly lower TDP | 19W | vs | 39W | 2.1x lower TDP | |||
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Features Key features of the Radeon HD 5570 vs 5450 PCIe x1
memory bandwidth Rate at which data can be read from or stored in onboard memory
pixel rate Number of pixels a graphics card can render to the screen every second
texture rate Speed at which a graphics card can perform texture mapping
floating point performance How fast the gpu can crunch numbers
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
gpu | Radeon HD 5570 | vs | 5450 PCIe x1 |
|---|---|---|---|
| GPU brand | ATI | ATI | |
| GPU name | Redwood | Cedar | |
| Market | Desktop | Desktop | |
| Clock speed | 650 MHz | 650 MHz | |
| Is dual GPU | No | No | |
| Reference card | None | None | |
raw performance | |||
| Shading units | 400 | 80 | |
| Texture mapping units | 20 | 8 | |
| Render output processors | 8 | 4 | |
| Compute units | 5 | 2 | |
| Pixel rate | 5.2 GPixel/s | 2.6 GPixel/s | |
| Texture rate | 13 GTexel/s | 5.2 GTexel/s | |
| Floating-point performance | 520 GFLOPS | 104 GFLOPS | |
memory | Radeon HD 5570 | vs | 5450 PCIe x1 |
|---|---|---|---|
| Memory clock speed | 800 MHz | 500 MHz | |
| Effective memory clock speed | 1,600 MHz | 1,000 MHz | |
| Memory bus | 128 bit | 64 bit | |
| Memory | 1,024 MB | 512 MB | |
| Memory type | GDDR3 | DDR3 | |
| Memory bandwidth | 25.6 GB/s | 8 GB/s | |
noise and power | |||
| TDP | 39W | 19W | |
