ATi Radeon X1900 XTX und X1900 CF im Test: Der Angriff auf die GeForce 7800 GTX 512
2/29Technische Daten
| GeForce 7800 GTX |
GeForce 7800 GTX 512 |
Radeon X1800 XT |
Radeon X1900 XT (CF) |
Radeon X1900 XTX |
|
|---|---|---|---|---|---|
| Logo | ![]() |
||||
| Chip | G70 | G70 | R520 | R580 | R580 |
| Transistoren | ca. 303 Mio. | ca. 303 Mio. | ca. 321 Mio. | ca. 384 Mio. | ca. 384 Mio. |
| Fertigung | 0,11 µm | 0,11 µm | 90 nm | 90 nm | 90 nm |
| Chiptakt | 430 MHz | 550 MHz | 625 MHz | 625 | 650 |
| Pixel-Pipelines | 24 | 24 | 16 | 16 | 16 |
| Shader-Einheiten pro Pipeline (MADD) |
2 | 2 | 1 | 3 | 3 |
| ROPs | 16 | 16 | 16 | 16 | 16 |
| Pixelfüllrate | 6880 MPix/s | 8800 MPix/s | 10000 MPix/s | 10000 MPix/s | 10400 MPix/s |
| TMUs je Pixel-Pipeline | 1 | 1 | 1 | 1 | 1 |
| Texelfüllrate | 10320 MTex/s | 13200 MTex/s | 10000 MTex/s | 10000 MTex/s | 10400 MPix/s |
| Vertex-Pipelines | 8 | 8 | 8 | 8 | 8 |
| Dreiecksdurchsatz | 860 MV/s | 1100 MV/s | 1250 MV/s | 1250 MV/s | 1300 MV/s |
| Pixelshader | PS 3.0 | PS 3.0 | PS 3.0 | PS 3.0 | PS 3.0 |
| Vertexshader | VS 3.0 | VS 3.0 | VS 3.0 | VS 3.0 | VS 3.0 |
| Speichermenge | 256 GDDR3 | 512 GDDR3 | 512 GDDR3 | 512 GDDR3 | 512 GDDR3 |
| Speichertakt | 600 MHz | 850 MHz | 750 MHz | 725 MHz | 775 MHz |
| Speicherinterface | 256 Bit | 256 Bit | 256 Bit | 256 Bit | 256 Bit |
| Speicherbandbreite | 38400 MB/s | 54400 MB/s | 48000 MB/s | 46400 MB/s | 49600 MB/s |
| Präzision pro Kanal | FP32/FP16 | FP32/FP16 | FP32 | FP32 | FP32 |
| Interface | PCIe | PCIe | PCIe | PCIe | PCIe |
| SLI/CF-Unterstützung | Ja | Ja | Ja | Ja | Ja |
