ATi Radeon X1950 XTX und X1950 CrossFire im Test: Der letzte Direct3D-9-Nachbrenner
2/43Technische Daten
Radeon X1900 XTX |
Radeon X1950 XTX |
GeForce 7900 GTX |
GeForce 7950 GX2 |
|
---|---|---|---|---|
Logo | ||||
Chip | R580 | R580+ | G71 | G71 |
Transistoren | ca. 384 Mio. | ca. 384 Mio. | ca. 278 Mio. | ca. 2x 278 Mio. |
Fertigung | 90 nm | 90 nm | 90 nm | 90 nm |
Chiptakt | 650 MHz | 650 MHz | 650 MHz | 500 |
Pixel-Pipelines | 16 | 16 | 24 | 2x 24 |
Shader-Einheiten pro Pipeline (MADD) |
3 | 3 | 2 | 2 |
FLOPs (MADD/ADD) | 374 GFLOPS | 374 GFLOPS | 250 GFLOPS | 2x 192 GFLOPS |
ROPs | 16 | 16 | 16 | 16 |
Pixelfüllrate | 10400 MPix/s | 10400 MPix/s | 10400 MPix/s | 2x 8000 MPix/s |
TMUs je Pixel-Pipeline | 1 | 1 | 1 | 1 |
Texelfüllrate | 10400 MTex/s | 10400 MTex/s | 15600 MTex/s | 2x 12000 MTex/s |
Vertex-Shader | 8 | 8 | 8 | 2x 8 |
Dreiecksdurchsatz | 1300 MV/s | 1300 MV/s | 1400 MV/s | 2x 1000 MV/s |
Pixelshader | 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 |
Speichermenge | 512 GDDR3 | 512 GDDR4 | 512 GDDR3 | 2x 512 GDDR3 |
Speichertakt | 775 MHz | 1000 MHz | 800 MHz | 600 |
Speicherinterface | 256 Bit | 256 Bit | 256 Bit | 2x 256 Bit |
Speicherbandbreite | 49600 MB/s | 64000 MB/s | 51200 MB/s | 2x 38400 |
Präzision pro Kanal | FP32 | FP32 | FP16/FP32 | FP16/FP32 |
SLI/CF-Unterstützung | Ja | Ja | Ja | Ja |