Nom du GPU | RV670 | GK208 |
---|---|---|
GPU variant | RV670 GL | — |
Architecture | TeraScale | Kepler 2.0 |
Fonderie | TSMC | TSMC |
Taille du processus | 55 nm | 28 nm |
Transistors | 666 million | 1,020 million |
Taille des matrices | 192 mm² | 87 mm² |
Date de publication | Nov 19th, 2007 | — |
---|---|---|
Génération | FireGL | — |
Production | End-of-life | — |
Prix de lancement | 899 USD | — |
Bus interface | PCIe 2.0 x16 | — |
Critiques | 5 in our database | — |
GPU clock | 777 MHz | — |
---|---|---|
Mémoire clock | 1126 MHz 2.3 Gbps effective | 900 MHz 1800 Mbps effective |
Base clock | — | 719 MHz |
Boost clock | — | 758 MHz |
Taille de la mémoire | 512 MB | 2 GB |
---|---|---|
Type de mémoire | GDDR4 | DDR3 |
Bus mémoire | 256 bit | 64 bit |
Bande passante | 72.06 GB/s | 14.40 GB/s |
Shading units | 320 | 192 |
---|---|---|
TMUs | 16 | 16 |
ROPs | 16 | 8 |
Compute units | 4 | — |
Cache L2 | 256 KB | 512 KB |
Comptage SMX | — | 2 |
Cache L1 | — | 16 KB (per SMX) |
Taux de pixel | 12.43 GPixel/s | 6.064 GPixel/s |
---|---|---|
Taux de texture | 12.43 GTexel/s | 12.13 GTexel/s |
FP32 (float) performance | 497.3 GFLOPS | 291.1 GFLOPS |
FP64 (double) performance | 99.46 GFLOPS (1:5) | 12.13 GFLOPS (1:24) |
Taille Slot | Dual-slot | — |
---|---|---|
Longueur | 254 mm 10 inches | — |
Taille | 111 mm 4.4 inches | — |
TDP | unknown | 15 W |
Suggestions pour le PSU | 200 W | — |
Sorties | 1x DVI1x DisplayPort1x S-Video | No outputs |
Connecteurs de puissance | 1x 6-pin | — |
Board number | B439 | — |
DirectX | 10.1 (10_1) | 12 (11_0) |
---|---|---|
OpenGL | 3.3 (full) 4.0 (partial) | 4.6 |
OpenCL | — | 3.0 |
Vulkan | — | 1.1 |
Shader model | 4.1 | 5.1 |
CUDA | — | 3.5 |
Date de publication | — | Jul 22nd, 2014 |
---|---|---|
Génération | — | GeForce 800A |
Production | — | End-of-life |
Bus interface | — | PCIe 3.0 x8 |
Prédécesseur | — | GeForce 700A |
Successeur | — | GeForce 900A |