AMD Radeon HD 6970 X2 vs NVIDIA Tesla D870
Processeur graphique
| Nom du GPU | Antilles | G80 |
|---|---|---|
| GPU variant | Antilles XT (215-0807027) | — |
| Architecture | TeraScale 3 | Tesla |
| Fonderie | TSMC | TSMC |
| Taille du processus | 40 nm | 90 nm |
| Transistors | 2,640 million | 681 million |
| Taille des matrices | 389 mm² | 484 mm² |
Carte graphique
| Date de publication | Never Released | May 2nd, 2007 |
|---|---|---|
| Génération | Northern Islands | Tesla |
| Production | End-of-life | End-of-life |
| Bus interface | PCIe 2.0 x16 | PCIe 1.0 x16 |
| Prédécesseur | Evergreen | — |
| Successeur | Southern Islands | — |
| Prix de lancement | — | 7,499 USD |
Vitesse clock
| GPU clock | 880 MHz | 600 MHz |
|---|---|---|
| Mémoire clock | 1375 MHz 5.5 Gbps effective | 800 MHz 1600 Mbps effective |
| Shader clock | — | 1350 MHz |
Mémoire
| Taille de la mémoire | 2 GB | 1536 MB |
|---|---|---|
| Type de mémoire | GDDR5 | GDDR3 |
| Bus mémoire | 256 bit | 384 bit |
| Bande passante | 176.0 GB/s | 76.80 GB/s |
Render Config
| Shading units | 1536 | 128 |
|---|---|---|
| TMUs | 96 | 32 |
| ROPs | 32 | 24 |
| Compute units | 24 | — |
| Cache L1 | 8 KB (per CU) | — |
| Cache L2 | 512 KB | 96 KB |
| Comptage SM | — | 16 |
Performance théorique
| Taux de pixel | 28.16 GPixel/s | 14.40 GPixel/s |
|---|---|---|
| Taux de texture | 84.48 GTexel/s | 38.40 GTexel/s |
| FP32 (float) performance | 2.703 TFLOPS | 345.6 GFLOPS |
Board Design
| Taille Slot | Dual-slot | Dual-slot |
|---|---|---|
| TDP | 375 W | 520 W |
| Suggestions pour le PSU | 750 W | 900 W |
| Sorties | 2x DVI1x HDMI2x mini-DisplayPort | No outputs |
| Connecteurs de puissance | 3x 8-pin | — |
Caractéristiques graphiques
| DirectX | 11.2 (11_0) | 11.1 (10_0) |
|---|---|---|
| OpenGL | 4.4 | 3.3 |
| OpenCL | 1.2 | 1.1 (1.0) |
| Vulkan | — | — |
| Shader model | 5.0 | 4.0 |
| CUDA | — | 1.0 |
