AMD Radeon R7 250 vs NVIDIA GeForce GTX 650 Ti
Processeur graphique
| Nom du GPU | Cape Verde | GK106 |
|---|---|---|
| GPU variant | Cape Verde PRO | GK106-220-A1 |
| Architecture | GCN 1.0 | Kepler |
| Fonderie | TSMC | TSMC |
| Taille du processus | 28 nm | 28 nm |
| Transistors | 1,500 million | 2,540 million |
| Taille des matrices | 123 mm² | 221 mm² |
Carte graphique
| Date de publication | Oct 8th, 2013 | Oct 9th, 2012 |
|---|---|---|
| Génération | Volcanic Islands | GeForce 600 |
| Production | End-of-life | End-of-life |
| Bus interface | PCIe 3.0 x16 | PCIe 3.0 x16 |
| Prédécesseur | Sea Islands | GeForce 500 |
| Successeur | Pirate Islands | GeForce 700 |
| Prix de lancement | — | 149 USD |
| Critiques | — | 62 in our database |
Vitesse clock
| GPU clock | 700 MHz | 928 MHz |
|---|---|---|
| Mémoire clock | 900 MHz 1800 Mbps effective | 1350 MHz 5.4 Gbps effective |
Mémoire
| Taille de la mémoire | 1024 MB | 1024 MB |
|---|---|---|
| Type de mémoire | DDR3 | GDDR5 |
| Bus mémoire | 128 bit | 128 bit |
| Bande passante | 28.80 GB/s | 86.40 GB/s |
Render Config
| Shading units | 512 | 768 |
|---|---|---|
| TMUs | 32 | 64 |
| ROPs | 16 | 16 |
| Compute units | 8 | — |
| Cache L1 | 16 KB (per CU) | 16 KB (per SMX) |
| Cache L2 | 256 KB | 256 KB |
| Comptage SMX | — | 4 |
Performance théorique
| Taux de pixel | 11.20 GPixel/s | 14.85 GPixel/s |
|---|---|---|
| Taux de texture | 22.40 GTexel/s | 59.39 GTexel/s |
| FP32 (float) performance | 716.8 GFLOPS | 1,425 GFLOPS |
| FP64 (double) performance | 44.80 GFLOPS (1:16) | 59.39 GFLOPS (1:24) |
Board Design
| Taille Slot | Single-slot | Single-slot |
|---|---|---|
| Longueur | 168 mm 6.6 inches | 145 mm 5.7 inches |
| TDP | 55 W | 110 W |
| Suggestions pour le PSU | 250 W | 300 W |
| Sorties | 1x DVI1x HDMI1x DisplayPort | 2x DVI1x mini-HDMI |
| Connecteurs de puissance | None | 1x 6-pin |
| Board number | — | P2010 |
Caractéristiques graphiques
| DirectX | 12 (11_1) | 12 (11_0) |
|---|---|---|
| OpenGL | 4.6 | 4.6 |
| OpenCL | 1.2 | 3.0 |
| Vulkan | 1.2 | 1.1 |
| Shader model | 5.1 | 5.1 |
| CUDA | — | 3.0 |
