AMD Radeon R9 285 vs NVIDIA GeForce GTX 750 Ti
Processeur graphique
| Nom du GPU | Tonga | GM107 |
|---|---|---|
| GPU variant | Tonga PRO (215-0851128) | GM107-400-A2 |
| Architecture | GCN 3.0 | Maxwell |
| Fonderie | TSMC | TSMC |
| Taille du processus | 28 nm | 28 nm |
| Transistors | 5,000 million | 1,870 million |
| Taille des matrices | 366 mm² | 148 mm² |
Carte graphique
| Date de publication | Sep 2nd, 2014 | Feb 18th, 2014 |
|---|---|---|
| Génération | Volcanic Islands | GeForce 700 |
| Production | End-of-life | End-of-life |
| Prix de lancement | 249 USD | 149 USD |
| Bus interface | PCIe 3.0 x16 | PCIe 3.0 x16 |
| Critiques | 59 in our database | 69 in our database |
| Prédécesseur | Sea Islands | GeForce 600 |
| Successeur | Pirate Islands | GeForce 900 |
Vitesse clock
| GPU clock | 918 MHz | — |
|---|---|---|
| Mémoire clock | 1375 MHz 5.5 Gbps effective | 1350 MHz 5.4 Gbps effective |
| Base clock | — | 1020 MHz |
| Boost clock | — | 1085 MHz |
Mémoire
| Taille de la mémoire | 2 GB | 2 GB |
|---|---|---|
| Type de mémoire | GDDR5 | GDDR5 |
| Bus mémoire | 256 bit | 128 bit |
| Bande passante | 176.0 GB/s | 86.40 GB/s |
Render Config
| Shading units | 1792 | 640 |
|---|---|---|
| TMUs | 112 | 40 |
| ROPs | 32 | 16 |
| Compute units | 28 | — |
| Cache L1 | 16 KB (per CU) | 64 KB (per SMM) |
| Cache L2 | 512 KB | 2 MB |
| Comptage SMM | — | 5 |
Performance théorique
| Taux de pixel | 29.38 GPixel/s | 17.36 GPixel/s |
|---|---|---|
| Taux de texture | 102.8 GTexel/s | 43.40 GTexel/s |
| FP16 (half) performance | 3.290 TFLOPS (1:1) | — |
| FP32 (float) performance | 3.290 TFLOPS | 1,389 GFLOPS |
| FP64 (double) performance | 205.6 GFLOPS (1:16) | 43.40 GFLOPS (1:32) |
Board Design
| Taille Slot | Dual-slot | Single-slot |
|---|---|---|
| Longueur | 221 mm 8.7 inches | 145 mm 5.7 inches |
| Taille | 109 mm 4.3 inches | — |
| Taille | 36 mm 1.4 inches | — |
| TDP | 190 W | 60 W |
| Suggestions pour le PSU | 450 W | 250 W |
| Sorties | 2x DVI1x HDMI1x DisplayPort | 2x DVI1x mini-HDMI |
| Connecteurs de puissance | 2x 6-pin | None |
| Board number | C766 | P2010 SKU 50 |
Caractéristiques graphiques
| DirectX | 12 (12_0) | 12 (11_0) |
|---|---|---|
| OpenGL | 4.6 | 4.6 |
| OpenCL | 2.0 | 3.0 |
| Vulkan | 1.2 | 1.1 |
| Shader model | 6.3 | 5.1 |
| CUDA | — | 5.0 |
