AMD Radeon HD 7970 vs NVIDIA GeForce RTX 2070 Max-Q Refresh
Processeur graphique
| Nom du GPU | Tahiti | TU106B |
|---|---|---|
| GPU variant | Tahiti XT (215-0821060) | — |
| Architecture | GCN 1.0 | Turing |
| Fonderie | TSMC | TSMC |
| Taille du processus | 28 nm | 12 nm |
| Transistors | 4,313 million | 10,800 million |
| Taille des matrices | 352 mm² | 445 mm² |
Carte graphique
| Date de publication | Dec 22nd, 2011 | — |
|---|---|---|
| Génération | Southern Islands | — |
| Production | End-of-life | — |
| Prix de lancement | 549 USD | — |
| Bus interface | PCIe 3.0 x16 | — |
| Critiques | 191 in our database | — |
| gpu.details.availability | Jan 9th, 2012 | — |
| Prédécesseur | Northern Islands | — |
| Successeur | Sea Islands | — |
Vitesse clock
| GPU clock | 925 MHz | — |
|---|---|---|
| Mémoire clock | 1375 MHz 5.5 Gbps effective | 1375 MHz 11 Gbps effective |
| Base clock | — | 900 MHz |
| Boost clock | — | 1125 MHz |
Mémoire
| Taille de la mémoire | 3 GB | 8 GB |
|---|---|---|
| Type de mémoire | GDDR5 | GDDR6 |
| Bus mémoire | 384 bit | 256 bit |
| Bande passante | 264.0 GB/s | 352.0 GB/s |
Render Config
| Shading units | 2048 | 2304 |
|---|---|---|
| TMUs | 128 | 144 |
| ROPs | 32 | 64 |
| Compute units | 32 | — |
| Cache L1 | 16 KB (per CU) | 64 KB (per SM) |
| Cache L2 | 768 KB | 4 MB |
| Comptage SM | — | 36 |
| Tensor cores | — | 288 |
| RT cores | — | 36 |
Performance théorique
| Taux de pixel | 29.60 GPixel/s | 72.00 GPixel/s |
|---|---|---|
| Taux de texture | 118.4 GTexel/s | 162.0 GTexel/s |
| FP32 (float) performance | 3.789 TFLOPS | 5.184 TFLOPS |
| FP64 (double) performance | 947.2 GFLOPS (1:4) | 162.0 GFLOPS (1:32) |
| FP16 (half) performance | — | 10.37 TFLOPS (2:1) |
Board Design
| Taille Slot | Dual-slot | MXM Module |
|---|---|---|
| Longueur | 275 mm 10.8 inches | — |
| Taille | 111 mm 4.4 inches | — |
| Taille | 38 mm 1.5 inches | — |
| TDP | 250 W | 115 W |
| Suggestions pour le PSU | 600 W | — |
| Sorties | 1x DVI1x HDMI2x mini-DisplayPort | No outputs |
| Connecteurs de puissance | 1x 6-pin + 1x 8-pin | None |
| Board number | C386-37 | E4914 SKU 31 |
Caractéristiques graphiques
| DirectX | 12 (11_1) | 12 Ultimate (12_2) |
|---|---|---|
| OpenGL | 4.6 | 4.6 |
| OpenCL | 1.2 | 3.0 |
| Vulkan | 1.2 | 1.2 |
| Shader model | 5.1 | 6.6 |
| CUDA | — | 7.5 |
AUTRES CARACTÉRISTIQUES
Graphiques mobiles
| Date de publication | — | Mar 4th, 2020 |
|---|---|---|
| Génération | — | GeForce 20 Mobile |
| Production | — | Active |
| Bus interface | — | PCIe 3.0 x16 |
| Prédécesseur | — | GeForce 10 Mobile |
| Successeur | — | GeForce 30 Mobile |
