AMD Radeon R7 450 OEM vs NVIDIA GeForce GTX 560 Ti X2
Processeur graphique
| Nom du GPU | Cape Verde | GF114 |
|---|---|---|
| GPU variant | Cape Verde PRX | GF114-400-A1 |
| Architecture | GCN 1.0 | Fermi 2.0 |
| Fonderie | TSMC | TSMC |
| Taille du processus | 28 nm | 40 nm |
| Transistors | 1,500 million | 1,950 million |
| Taille des matrices | 123 mm² | 332 mm² |
Carte graphique
| Date de publication | Jun 30th, 2016 | Jan 25th, 2011 |
|---|---|---|
| Génération | Arctic Islands | GeForce 500 |
| Production | End-of-life | End-of-life |
| Bus interface | PCIe 3.0 x16 | PCIe 2.0 x16 |
| Prédécesseur | Pirate Islands | GeForce 400 |
| Successeur | Polaris | GeForce 600 |
| Critiques | — | 122 in our database |
Vitesse clock
| GPU clock | 925 MHz | 850 MHz |
|---|---|---|
| Mémoire clock | 1125 MHz 4.5 Gbps effective | 1002 MHz 4 Gbps effective |
| Shader clock | — | 1700 MHz |
Mémoire
| Taille de la mémoire | 2 GB | 1024 MB |
|---|---|---|
| Type de mémoire | GDDR5 | GDDR5 |
| Bus mémoire | 128 bit | 256 bit |
| Bande passante | 72.00 GB/s | 128.3 GB/s |
Render Config
| Shading units | 512 | 384 |
|---|---|---|
| TMUs | 32 | 64 |
| ROPs | 16 | 32 |
| Compute units | 8 | — |
| Cache L1 | 16 KB (per CU) | 64 KB (per SM) |
| Cache L2 | 256 KB | 512 KB |
| Comptage SM | — | 8 |
Performance théorique
| Taux de pixel | 14.80 GPixel/s | 13.60 GPixel/s |
|---|---|---|
| Taux de texture | 29.60 GTexel/s | 54.40 GTexel/s |
| FP32 (float) performance | 947.2 GFLOPS | 1,306 GFLOPS |
| FP64 (double) performance | 59.20 GFLOPS (1:16) | 108.8 GFLOPS (1:12) |
Board Design
| Taille Slot | Dual-slot | Dual-slot |
|---|---|---|
| TDP | 65 W | 170 W |
| Suggestions pour le PSU | 250 W | 450 W |
| Sorties | No outputs | 3x DVI1x mini-HDMI |
| Connecteurs de puissance | 1x 6-pin | 2x 8-pin |
| Board number | C750 C906 | P1040 |
| Longueur | — | 292 mm 11.5 inches |
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 | — | 2.1 |
