AMD Radeon HD 7870 XT vs NVIDIA GeForce GTX 1070 Mobile
Processeur graphique
| Nom du GPU | Tahiti | GP104 |
|---|---|---|
| GPU variant | Tahiti LE (215-0821122) | N17E-G2-A1 |
| Architecture | GCN 1.0 | Pascal |
| Fonderie | TSMC | TSMC |
| Taille du processus | 28 nm | 16 nm |
| Transistors | 4,313 million | 7,200 million |
| Taille des matrices | 352 mm² | 314 mm² |
Carte graphique
| Date de publication | Nov 19th, 2012 | — |
|---|---|---|
| Génération | Southern Islands | — |
| Production | End-of-life | — |
| Prix de lancement | 270 USD | — |
| Bus interface | PCIe 3.0 x16 | — |
| Critiques | 95 in our database | — |
| Prédécesseur | Northern Islands | — |
| Successeur | Sea Islands | — |
Vitesse clock
| Base clock | 925 MHz | 1442 MHz |
|---|---|---|
| Boost clock | 975 MHz | 1645 MHz |
| Mémoire clock | 1500 MHz 6 Gbps effective | 2002 MHz 8008 MHz effective |
Mémoire
| Taille de la mémoire | 2 GB | 8 GB |
|---|---|---|
| Type de mémoire | GDDR5 | GDDR5 |
| Bus mémoire | 256 bit | 256 bit |
| Bande passante | 192.0 GB/s | 256.3 GB/s |
Render Config
| Shading units | 1536 | 2048 |
|---|---|---|
| TMUs | 96 | 128 |
| ROPs | 32 | 64 |
| Compute units | 24 | — |
| Cache L1 | 16 KB (per CU) | 48 KB (per SM) |
| Cache L2 | 512 KB | 2 MB |
| Comptage SM | — | 16 |
Performance théorique
| Taux de pixel | 31.20 GPixel/s | 105.3 GPixel/s |
|---|---|---|
| Taux de texture | 93.60 GTexel/s | 210.6 GTexel/s |
| FP32 (float) performance | 2.995 TFLOPS | 6.738 TFLOPS |
| FP64 (double) performance | 748.8 GFLOPS (1:4) | 210.6 GFLOPS (1:32) |
| FP16 (half) performance | — | 105.3 GFLOPS (1:64) |
Board Design
| Taille Slot | Dual-slot | MXM Module |
|---|---|---|
| Longueur | 267 mm 10.5 inches | — |
| TDP | 185 W | 120 W |
| Suggestions pour le PSU | 450 W | — |
| Sorties | 1x DVI1x HDMI2x mini-DisplayPort | No outputs |
| Connecteurs de puissance | 2x 6-pin | None |
| Board number | C474 | — |
Caractéristiques graphiques
| DirectX | 12 (11_1) | 12 (12_1) |
|---|---|---|
| OpenGL | 4.6 | 4.6 |
| OpenCL | 1.2 | 1.2 |
| Vulkan | 1.2 | 1.2.131 |
| Shader model | 5.1 | 6.4 |
| CUDA | — | 6.1 |
AUTRES CARACTÉRISTIQUES
Graphiques mobiles
| Date de publication | — | Aug 15th, 2016 |
|---|---|---|
| Génération | — | GeForce 10 Mobile |
| Production | — | Active |
| Bus interface | — | PCIe 3.0 x16 |
| Critiques | — | 124 in our database |
