AMD Radeon HD 7770 GHz Edition vs NVIDIA GeForce GTX 560 Ti 448
Processeur graphique
| Nom du GPU | Cape Verde | GF110 |
|---|---|---|
| GPU variant | Cape Verde XT | GF110-270-A1 |
| Architecture | GCN 1.0 | Fermi 2.0 |
| Fonderie | TSMC | TSMC |
| Taille du processus | 28 nm | 40 nm |
| Transistors | 1,500 million | 3,000 million |
| Taille des matrices | 123 mm² | 520 mm² |
Carte graphique
| Date de publication | Feb 15th, 2012 | Nov 29th, 2011 |
|---|---|---|
| Génération | Southern Islands | GeForce 500 |
| Production | End-of-life | End-of-life |
| Prix de lancement | 159 USD | 289 USD |
| Bus interface | PCIe 3.0 x16 | PCIe 2.0 x16 |
| Critiques | 97 in our database | 36 in our database |
| Prédécesseur | Northern Islands | GeForce 400 |
| Successeur | Sea Islands | GeForce 600 |
Vitesse clock
| GPU clock | 1000 MHz | 732 MHz |
|---|---|---|
| Mémoire clock | 1125 MHz 4.5 Gbps effective | 950 MHz 3.8 Gbps effective |
| Shader clock | — | 1464 MHz |
Mémoire
| Taille de la mémoire | 1024 MB | 1280 MB |
|---|---|---|
| Type de mémoire | GDDR5 | GDDR5 |
| Bus mémoire | 128 bit | 320 bit |
| Bande passante | 72.00 GB/s | 152.0 GB/s |
Render Config
| Shading units | 640 | 448 |
|---|---|---|
| TMUs | 40 | 56 |
| ROPs | 16 | 40 |
| Compute units | 10 | — |
| Cache L1 | 16 KB (per CU) | 64 KB (per SM) |
| Cache L2 | 256 KB | 640 KB |
| Comptage SM | — | 14 |
Performance théorique
| Taux de pixel | 16.00 GPixel/s | 20.50 GPixel/s |
|---|---|---|
| Taux de texture | 40.00 GTexel/s | 40.99 GTexel/s |
| FP32 (float) performance | 1,280 GFLOPS | 1,312 GFLOPS |
| FP64 (double) performance | 80.00 GFLOPS (1:16) | 164.0 GFLOPS (1:8) |
Board Design
| Taille Slot | Dual-slot | Dual-slot |
|---|---|---|
| Longueur | 210 mm 8.3 inches | 267 mm 10.5 inches |
| TDP | 80 W | 210 W |
| Suggestions pour le PSU | 250 W | 550 W |
| Sorties | 1x DVI1x HDMI2x mini-DisplayPort | 2x DVI1x mini-HDMI |
| Connecteurs de puissance | 1x 6-pin | 2x 6-pin |
| Board number | C441, C468 | P1263 |
Caractéristiques graphiques
| DirectX | 12 (11_1) | 12 (11_0) |
|---|---|---|
| OpenGL | 4.6 | 4.6 |
| OpenCL | 1.2 | 1.1 |
| Vulkan | 1.2 | — |
| Shader model | 5.1 | 5.1 |
| CUDA | — | 2.0 |
