NVIDIA GeForce 820M vs NVIDIA GeForce 910M
Processeur graphique
| Nom du GPU | GF117 | GK208B |
|---|---|---|
| GPU variant | N15V-GM-B-A2 | N16V-GL |
| Architecture | Fermi 2.0 | Kepler 2.0 |
| Fonderie | TSMC | TSMC |
| Taille du processus | 28 nm | 28 nm |
| Transistors | 585 million | 1,020 million |
| Taille des matrices | 116 mm² | 87 mm² |
Graphiques mobiles
| Date de publication | Nov 27th, 2013 | Mar 13th, 2015 |
|---|---|---|
| Génération | GeForce 800M | GeForce 900M |
| Production | End-of-life | Active |
| Bus interface | PCIe 2.0 x16 | PCIe 3.0 x8 |
| Prédécesseur | GeForce 700M | GeForce 800M |
| Successeur | GeForce 900M | GeForce 10 Mobile |
Vitesse clock
| GPU clock | 625 MHz | 641 MHz |
|---|---|---|
| Shader clock | 1250 MHz | — |
| Mémoire clock | 900 MHz 1800 Mbps effective | 1001 MHz 2 Gbps effective |
Mémoire
| Taille de la mémoire | 1024 MB | 2 GB |
|---|---|---|
| Type de mémoire | DDR3 | DDR3 |
| Bus mémoire | 64 bit | 64 bit |
| Bande passante | 14.40 GB/s | 16.02 GB/s |
Render Config
| Shading units | 96 | 384 |
|---|---|---|
| TMUs | 16 | 32 |
| ROPs | 8 | 8 |
| Comptage SM | 2 | — |
| Cache L1 | 64 KB (per SM) | 16 KB (per SMX) |
| Cache L2 | 128 KB | 512 KB |
| Comptage SMX | — | 2 |
Performance théorique
| Taux de pixel | 2.500 GPixel/s | 5.128 GPixel/s |
|---|---|---|
| Taux de texture | 10.00 GTexel/s | 20.51 GTexel/s |
| FP32 (float) performance | 240.0 GFLOPS | 492.3 GFLOPS |
| FP64 (double) performance | 20.00 GFLOPS (1:12) | 20.51 GFLOPS (1:24) |
Board Design
| TDP | 15 W | 33 W |
|---|---|---|
| Sorties | No outputs | No outputs |
| Taille Slot | — | IGP |
| Connecteurs de puissance | — | None |
Caractéristiques graphiques
| DirectX | 12 (11_0) | 12 (11_0) |
|---|---|---|
| OpenGL | 4.6 | 4.6 |
| OpenCL | 1.1 | 3.0 |
| Vulkan | — | 1.1 |
| CUDA | 2.1 | 3.5 |
| Shader model | 5.1 | 5.1 |
