Nom du GPU | R420 | GM20B |
---|---|---|
GPU variant | R420 AIW | TM670D-A1 |
Architecture | R400 | Maxwell 2.0 |
Fonderie | TSMC | TSMC |
Taille du processus | 130 nm | 20 nm |
Transistors | 160 million | 2,000 million |
Taille des matrices | 281 mm² | 118 mm² |
Date de publication | Apr 27th, 2005 | — |
---|---|---|
Génération | All-In-Wonder | — |
Production | End-of-life | — |
Bus interface | AGP 8x | — |
Critiques | 226 in our database | — |
GPU clock | 425 MHz | 1000 MHz |
---|---|---|
Mémoire clock | 400 MHz 800 Mbps effective | System Shared |
Taille de la mémoire | 256 MB | System Shared |
---|---|---|
Type de mémoire | GDDR3 | System Shared |
Bus mémoire | 256 bit | System Shared |
Bande passante | 25.60 GB/s | System Dependent |
Pixel shaders | 8 | — |
---|---|---|
Vertex shaders | 6 | — |
TMUs | 8 | 16 |
ROPs | 8 | 16 |
Shading units | — | 256 |
Comptage SMM | — | 2 |
Cache L1 | — | 48 KB (per SMM) |
Cache L2 | — | 256 KB |
Taux de pixel | 3.400 GPixel/s | 16.00 GPixel/s |
---|---|---|
Vertex rate | 637.5 MVertices/s | — |
Taux de texture | 3.400 GTexel/s | 16.00 GTexel/s |
FP16 (half) performance | — | 1,024 GFLOPS (2:1) |
FP32 (float) performance | — | 512.0 GFLOPS |
FP64 (double) performance | — | 16.00 GFLOPS (1:32) |
Taille Slot | Single-slot | IGP |
---|---|---|
TDP | unknown | 15 W |
Suggestions pour le PSU | 200 W | — |
Sorties | 1x DVI | No outputs |
Connecteurs de puissance | None | — |
Board number | A383-04 | — |
Numéro de pièce | 100-714218 | — |
DirectX | 9.0b (9_2) | 12 (12_1) |
---|---|---|
OpenGL | 2.1 | 4.6 |
OpenCL | — | 1.2 |
Vulkan | — | 1.1 |
Pixel shader | 2.0b | — |
Vertex shader | 2.0b | — |
CUDA | — | 5.3 |
Shader model | — | 6.4 |
Date de publication | — | Jan 4th, 2015 |
---|---|---|
Génération | — | Tegra |
Production | — | End-of-life |
Bus interface | — | IGP |