AMD Radeon R7 M270 vs NVIDIA Quadro K420
Processeur graphique
| Nom du GPU | Opal | GK107 |
|---|---|---|
| GPU variant | Opal XT | GK107-301-A2 |
| Architecture | GCN 1.0 | Kepler |
| Fonderie | TSMC | TSMC |
| Taille du processus | 28 nm | 28 nm |
| Transistors | 950 million | 1,270 million |
| Taille des matrices | 77 mm² | 118 mm² |
Graphiques mobiles
| Date de publication | Jan 9th, 2014 | — |
|---|---|---|
| Génération | Crystal System (R7 M200) | — |
| Production | End-of-life | — |
| Bus interface | PCIe 3.0 x8 | — |
| Prédécesseur | Solar System | — |
| Successeur | Mobility Radeon | — |
Vitesse clock
| Base clock | 725 MHz | — |
|---|---|---|
| Boost clock | 825 MHz | — |
| Mémoire clock | 900 MHz 1800 Mbps effective | 891 MHz 1782 Mbps effective |
| GPU clock | — | 876 MHz |
Mémoire
| Taille de la mémoire | 2 GB | 1024 MB |
|---|---|---|
| Type de mémoire | DDR3 | DDR3 |
| Bus mémoire | 128 bit | 128 bit |
| Bande passante | 28.80 GB/s | 28.51 GB/s |
Render Config
| Shading units | 384 | 192 |
|---|---|---|
| TMUs | 24 | 16 |
| ROPs | 8 | 16 |
| Compute units | 6 | — |
| Cache L1 | 16 KB (per CU) | 16 KB (per SMX) |
| Cache L2 | 256 KB | 256 KB |
| Comptage SMX | — | 1 |
Performance théorique
| Taux de pixel | 6.600 GPixel/s | 3.504 GPixel/s |
|---|---|---|
| Taux de texture | 19.80 GTexel/s | 14.02 GTexel/s |
| FP32 (float) performance | 633.6 GFLOPS | 336.4 GFLOPS |
| FP64 (double) performance | — | 14.02 GFLOPS (1:24) |
Board Design
| TDP | unknown | 41 W |
|---|---|---|
| Sorties | No outputs | 1x DVI1x DisplayPort |
| Taille Slot | — | Single-slot |
| Longueur | — | 160 mm 6.3 inches |
| Taille | — | 69 mm 2.7 inches |
| Suggestions pour le PSU | — | 200 W |
| Connecteurs de puissance | — | None |
| Board number | — | P2012 |
Caractéristiques graphiques
| DirectX | 12 (11_1) | 12 (11_0) |
|---|---|---|
| OpenGL | 4.6 | 4.6 |
| OpenCL | 1.2 | 3.0 |
| Vulkan | 1.2 | 1.1 |
| Shader model | 5.1 | 5.1 |
| CUDA | — | 3.0 |
AUTRES CARACTÉRISTIQUES
Carte graphique
| Date de publication | — | Jul 22nd, 2014 |
|---|---|---|
| Génération | — | Quadro |
| Production | — | End-of-life |
| Bus interface | — | PCIe 2.0 x16 |
| Critiques | — | 26 in our database |
