Nom du GPU | Tobago | G80 |
---|---|---|
GPU variant | Tobago XT | — |
Architecture | GCN 2.0 | Tesla |
Fonderie | TSMC | TSMC |
Taille du processus | 28 nm | 90 nm |
Transistors | 2,080 million | 681 million |
Taille des matrices | 160 mm² | 484 mm² |
Date de publication | Jun 18th, 2015 | May 2nd, 2007 |
---|---|---|
Génération | Pirate Islands | Tesla |
Production | End-of-life | End-of-life |
Bus interface | PCIe 3.0 x16 | PCIe 1.0 x16 |
Prédécesseur | Volcanic Islands | — |
Successeur | Arctic Islands | — |
Prix de lancement | — | 7,499 USD |
GPU clock | 1100 MHz | 600 MHz |
---|---|---|
Mémoire clock | 1500 MHz 6 Gbps effective | 800 MHz 1600 Mbps effective |
Shader clock | — | 1350 MHz |
Taille de la mémoire | 2 GB | 1536 MB |
---|---|---|
Type de mémoire | GDDR5 | GDDR3 |
Bus mémoire | 128 bit | 384 bit |
Bande passante | 96.00 GB/s | 76.80 GB/s |
Shading units | 896 | 128 |
---|---|---|
TMUs | 56 | 32 |
ROPs | 16 | 24 |
Compute units | 14 | — |
Cache L1 | 16 KB (per CU) | — |
Cache L2 | 256 KB | 96 KB |
Comptage SM | — | 16 |
Taux de pixel | 17.60 GPixel/s | 14.40 GPixel/s |
---|---|---|
Taux de texture | 61.60 GTexel/s | 38.40 GTexel/s |
FP32 (float) performance | 1.971 TFLOPS | 345.6 GFLOPS |
FP64 (double) performance | 123.2 GFLOPS (1:16) | — |
Taille Slot | Dual-slot | Dual-slot |
---|---|---|
Longueur | 183 mm 7.2 inches | — |
TDP | 85 W | 520 W |
Suggestions pour le PSU | 250 W | 900 W |
Sorties | 2x DVI1x HDMI1x DisplayPort | No outputs |
Connecteurs de puissance | 1x 6-pin | — |
Board number | C582 | — |
DirectX | 12 (12_0) | 11.1 (10_0) |
---|---|---|
OpenGL | 4.6 | 3.3 |
OpenCL | 2.0 | 1.1 (1.0) |
Vulkan | 1.2 | — |
Shader model | 6.3 | 4.0 |
CUDA | — | 1.0 |