AMD Radeon HD 6970 X2 vs NVIDIA GeForce 6800
Processeur graphique
| Nom du GPU | Antilles | NV40 |
|---|---|---|
| GPU variant | Antilles XT (215-0807027) | — |
| Architecture | TeraScale 3 | Curie |
| Fonderie | TSMC | TSMC |
| Taille du processus | 40 nm | 130 nm |
| Transistors | 2,640 million | 222 million |
| Taille des matrices | 389 mm² | 287 mm² |
Carte graphique
| Date de publication | Never Released | Apr 14th, 2004 |
|---|---|---|
| Génération | Northern Islands | GeForce 6 AGP |
| Production | End-of-life | End-of-life |
| Bus interface | PCIe 2.0 x16 | AGP 8x |
| Prédécesseur | Evergreen | GeForce FX |
| Successeur | Southern Islands | GeForce 7 AGP |
| Critiques | — | 115 in our database |
Vitesse clock
| GPU clock | 880 MHz | 325 MHz |
|---|---|---|
| Mémoire clock | 1375 MHz 5.5 Gbps effective | 350 MHz 700 Mbps effective |
Mémoire
| Taille de la mémoire | 2 GB | 128 MB |
|---|---|---|
| Type de mémoire | GDDR5 | DDR |
| Bus mémoire | 256 bit | 256 bit |
| Bande passante | 176.0 GB/s | 22.40 GB/s |
Render Config
| Shading units | 1536 | — |
|---|---|---|
| TMUs | 96 | 12 |
| ROPs | 32 | 12 |
| Compute units | 24 | — |
| Cache L1 | 8 KB (per CU) | — |
| Cache L2 | 512 KB | — |
| Pixel shaders | — | 12 |
| Vertex shaders | — | 5 |
Performance théorique
| Taux de pixel | 28.16 GPixel/s | 3.900 GPixel/s |
|---|---|---|
| Taux de texture | 84.48 GTexel/s | 3.900 GTexel/s |
| FP32 (float) performance | 2.703 TFLOPS | — |
| Vertex rate | — | 406.3 MVertices/s |
Board Design
| Taille Slot | Dual-slot | Single-slot |
|---|---|---|
| TDP | 375 W | unknown |
| Suggestions pour le PSU | 750 W | 200 W |
| Sorties | 2x DVI1x HDMI2x mini-DisplayPort | 1x DVI1x VGA1x S-Video |
| Connecteurs de puissance | 3x 8-pin | 1x Molex |
| Board number | — | P201, P212 |
Caractéristiques graphiques
| DirectX | 11.2 (11_0) | 9.0c (9_3) |
|---|---|---|
| OpenGL | 4.4 | 2.1 |
| OpenCL | 1.2 | — |
| Vulkan | — | — |
| Shader model | 5.0 | 3.0 |
