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Benchmarks Real world tests of the Radeon HD 6400
T-Rex (GFXBench 3.0) Data courtesy CompuBench
Manhattan (GFXBench 3.0) Data courtesy CompuBench
Specifications Full list of technical specs
gpu
| GPU brand | AMD |
|---|---|
| GPU name | Caicos LE |
| Market | Desktop |
| Clock speed | 625 MHz |
| Is dual GPU | No |
| Reference card | None |
raw performance
| Shading units | 160 |
|---|---|
| Texture mapping units | 8 |
| Render output processors | 4 |
| Compute units | 2 |
| Pixel rate | 2.5 GPixel/s |
| Texture rate | 5 GTexel/s |
| Floating-point performance | 200 GFLOPS |
memory
| Memory clock speed | 800 MHz |
|---|---|
| Effective memory clock speed | 1,600 MHz |
| Memory bus | 64 bit |
| Memory | 512 MB |
| Memory type | GDDR3 |
| Memory bandwidth | 12.8 GB/s |
noise and power
| TDP | 18W |
|---|
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Competitors
 | Nvidia GeForce 8400 GS
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 | Nvidia GeForce GT 640M
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 | Nvidia GeForce 920M
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 | Nvidia GeForce GT 740M
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 | |
 | Leadtek GeForce GT 640
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 | IGP Radeon HD 6530D IGP
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