AMD Radeon R7 250 OEM vs NVIDIA GeForce GT 740 OEM
Processeur graphique
| Nom du GPU | Oland | GK106 |
|---|---|---|
| GPU variant | Oland XT (215-0837000) | — |
| Architecture | GCN 1.0 | Kepler |
| Fonderie | TSMC | TSMC |
| Taille du processus | 28 nm | 28 nm |
| Transistors | 950 million | 2,540 million |
| Taille des matrices | 77 mm² | 221 mm² |
Carte graphique
| Date de publication | Oct 8th, 2013 | Apr 14th, 2015 |
|---|---|---|
| Génération | Volcanic Islands | GeForce 700 |
| Production | End-of-life | Active |
| Bus interface | PCIe 3.0 x8 | PCIe 3.0 x16 |
| Critiques | 24 in our database | — |
| Prédécesseur | Sea Islands | GeForce 600 |
| Successeur | Pirate Islands | GeForce 900 |
Vitesse clock
| Base clock | 1000 MHz | — |
|---|---|---|
| Boost clock | 1050 MHz | — |
| Mémoire clock | 1000 MHz 2 Gbps effective | 1253 MHz 5 Gbps effective |
| GPU clock | — | 1050 MHz |
Mémoire
| Taille de la mémoire | 2 GB | 1024 MB |
|---|---|---|
| Type de mémoire | DDR3 | GDDR5 |
| Bus mémoire | 128 bit | 128 bit |
| Bande passante | 32.00 GB/s | 80.19 GB/s |
Render Config
| Shading units | 384 | 384 |
|---|---|---|
| TMUs | 24 | 32 |
| ROPs | 8 | 16 |
| Compute units | 6 | — |
| Cache L1 | 16 KB (per CU) | 16 KB (per SMX) |
| Cache L2 | 256 KB | 256 KB |
| Comptage SMX | — | 2 |
Performance théorique
| Taux de pixel | 8.400 GPixel/s | 8.400 GPixel/s |
|---|---|---|
| Taux de texture | 25.20 GTexel/s | 33.60 GTexel/s |
| FP32 (float) performance | 806.4 GFLOPS | 806.4 GFLOPS |
| FP64 (double) performance | 50.40 GFLOPS (1:16) | 33.60 GFLOPS (1:24) |
Board Design
| Taille Slot | Dual-slot | Single-slot |
|---|---|---|
| TDP | 65 W | 65 W |
| Suggestions pour le PSU | 250 W | 250 W |
| Sorties | 1x DVI1x HDMI1x VGA | No outputs |
| Connecteurs de puissance | None | None |
| Board number | C550, C552 | — |
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 |
