NVIDIA GeForce 840A vs NVIDIA Playstation 3 GPU 40nm
Processeur graphique
| Nom du GPU | GM108 | RSX-40nm |
|---|---|---|
| Architecture | Maxwell | Curie |
| Fonderie | TSMC | Sony |
| Taille du processus | 28 nm | 40 nm |
| Transistors | unknown | 302 million |
| Taille des matrices | unknown | 114 mm² |
| GPU variant | — | RSX-CXD5302 |
Graphiques mobiles
| Date de publication | Mar 17th, 2014 | — |
|---|---|---|
| Génération | GeForce 800A | — |
| Production | End-of-life | — |
| Bus interface | PCIe 3.0 x8 | — |
| Prédécesseur | GeForce 700A | — |
| Successeur | GeForce 900A | — |
Vitesse clock
| Base clock | 1029 MHz | — |
|---|---|---|
| Boost clock | 1124 MHz | — |
| Mémoire clock | 1001 MHz 2 Gbps effective | 650 MHz 1300 Mbps effective |
| GPU clock | — | 550 MHz |
Mémoire
| Taille de la mémoire | 2 GB | 256 MB |
|---|---|---|
| Type de mémoire | DDR3 | GDDR3 |
| Bus mémoire | 64 bit | 128 bit |
| Bande passante | 16.02 GB/s | 20.80 GB/s |
Render Config
| Shading units | 384 | — |
|---|---|---|
| TMUs | 16 | 24 |
| ROPs | 8 | 8 |
| Comptage SMM | 3 | — |
| Cache L1 | 64 KB (per SMM) | — |
| Cache L2 | 1024 KB | — |
| Pixel shaders | — | 24 |
| Vertex shaders | — | 8 |
Performance théorique
| Taux de pixel | 8.992 GPixel/s | 4.400 GPixel/s |
|---|---|---|
| Taux de texture | 17.98 GTexel/s | 13.20 GTexel/s |
| FP32 (float) performance | 863.2 GFLOPS | — |
| FP64 (double) performance | 26.98 GFLOPS (1:32) | — |
| Vertex rate | — | 1.100 GVertices/s |
Board Design
| Taille Slot | IGP | IGP |
|---|---|---|
| TDP | 33 W | 35 W |
| Sorties | No outputs | No outputs |
| Longueur | — | 290 mm 11.4 inches |
| Taille | — | 290 mm 11.4 inches |
| Taille | — | 65 mm 2.6 inches |
| Poids | — | 3.2 kg (7.1 lbs) |
| Suggestions pour le PSU | — | 350 W |
Caractéristiques graphiques
| DirectX | 12 (11_0) | — |
|---|---|---|
| OpenGL | 4.6 | ES 1.1 |
| OpenCL | 3.0 | — |
| Vulkan | 1.1 | — |
| CUDA | 5.0 | — |
| Shader model | 5.1 | — |
| Pixel shader | — | 3.0 |
| Vertex shader | — | 3.0 |
AUTRES CARACTÉRISTIQUES
Carte graphique
| Date de publication | — | Oct 4th, 2012 |
|---|---|---|
| Génération | — | Console GPU |
| Production | — | End-of-life |
| Bus interface | — | IGP |
| Prix de lancement | — | 399 USD |
