AMD Radeon HD 7770 GHz Edition vs NVIDIA GeForce GTX 1660
Processeur graphique
| Nom du GPU | Cape Verde | TU116 |
|---|---|---|
| GPU variant | Cape Verde XT | TU116-300-A1 |
| Architecture | GCN 1.0 | Turing |
| Fonderie | TSMC | TSMC |
| Taille du processus | 28 nm | 12 nm |
| Transistors | 1,500 million | 6,600 million |
| Taille des matrices | 123 mm² | 284 mm² |
Carte graphique
| Date de publication | Feb 15th, 2012 | Mar 14th, 2019 |
|---|---|---|
| Génération | Southern Islands | GeForce 16 |
| Production | End-of-life | Active |
| Prix de lancement | 159 USD | 219 USD |
| Bus interface | PCIe 3.0 x16 | PCIe 3.0 x16 |
| Critiques | 97 in our database | 40 in our database |
| Prédécesseur | Northern Islands | GeForce 10 |
| Successeur | Sea Islands | GeForce 20 |
Vitesse clock
| GPU clock | 1000 MHz | — |
|---|---|---|
| Mémoire clock | 1125 MHz 4.5 Gbps effective | 2001 MHz 8 Gbps effective |
| Base clock | — | 1530 MHz |
| Boost clock | — | 1785 MHz |
Mémoire
| Taille de la mémoire | 1024 MB | 6 GB |
|---|---|---|
| Type de mémoire | GDDR5 | GDDR5 |
| Bus mémoire | 128 bit | 192 bit |
| Bande passante | 72.00 GB/s | 192.1 GB/s |
Render Config
| Shading units | 640 | 1408 |
|---|---|---|
| TMUs | 40 | 88 |
| ROPs | 16 | 48 |
| Compute units | 10 | — |
| Cache L1 | 16 KB (per CU) | 64 KB (per SM) |
| Cache L2 | 256 KB | 1536 KB |
| Comptage SM | — | 22 |
Performance théorique
| Taux de pixel | 16.00 GPixel/s | 85.68 GPixel/s |
|---|---|---|
| Taux de texture | 40.00 GTexel/s | 157.1 GTexel/s |
| FP32 (float) performance | 1,280 GFLOPS | 5.027 TFLOPS |
| FP64 (double) performance | 80.00 GFLOPS (1:16) | 157.1 GFLOPS (1:32) |
| FP16 (half) performance | — | 10.05 TFLOPS (2:1) |
Board Design
| Taille Slot | Dual-slot | Dual-slot |
|---|---|---|
| Longueur | 210 mm 8.3 inches | 229 mm 9 inches |
| TDP | 80 W | 120 W |
| Suggestions pour le PSU | 250 W | 300 W |
| Sorties | 1x DVI1x HDMI2x mini-DisplayPort | 1x DVI1x HDMI1x DisplayPort |
| Connecteurs de puissance | 1x 6-pin | 1x 8-pin |
| Board number | C441, C468 | PG165 SKU 0 |
| Taille | — | 111 mm 4.4 inches |
| Taille | — | 35 mm 1.4 inches |
Caractéristiques graphiques
| DirectX | 12 (11_1) | 12 (12_1) |
|---|---|---|
| OpenGL | 4.6 | 4.6 |
| OpenCL | 1.2 | 3.0 |
| Vulkan | 1.2 | 1.2 |
| Shader model | 5.1 | 6.6 |
| CUDA | — | 7.5 |
