AMD Radeon R7 240 OEM vs NVIDIA GeForce 8800 GTX
Processeur graphique
| Nom du GPU | Oland | G80 |
|---|---|---|
| Architecture | GCN 1.0 | Tesla |
| Fonderie | TSMC | TSMC |
| Taille du processus | 28 nm | 90 nm |
| Transistors | 950 million | 681 million |
| Taille des matrices | 77 mm² | 484 mm² |
| GPU variant | — | G80-300-A2 |
Carte graphique
| Date de publication | Nov 1st, 2013 | Nov 8th, 2006 |
|---|---|---|
| Génération | Volcanic Islands | GeForce 8 |
| Production | End-of-life | End-of-life |
| Bus interface | PCIe 3.0 x8 | PCIe 1.0 x16 |
| Prédécesseur | Sea Islands | GeForce 7 PCIe |
| Successeur | Pirate Islands | GeForce 9 |
| Prix de lancement | — | 599 USD |
| Critiques | — | 73 in our database |
Vitesse clock
| Base clock | 730 MHz | — |
|---|---|---|
| Boost clock | 780 MHz | — |
| Mémoire clock | 900 MHz 1800 Mbps effective | 900 MHz 1800 Mbps effective |
| GPU clock | — | 576 MHz |
| Shader clock | — | 1350 MHz |
Mémoire
| Taille de la mémoire | 2 GB | 768 MB |
|---|---|---|
| Type de mémoire | DDR3 | GDDR3 |
| Bus mémoire | 128 bit | 384 bit |
| Bande passante | 28.80 GB/s | 86.40 GB/s |
Render Config
| Shading units | 320 | 128 |
|---|---|---|
| TMUs | 20 | 32 |
| ROPs | 8 | 24 |
| Compute units | 5 | — |
| Cache L1 | 16 KB (per CU) | — |
| Cache L2 | 256 KB | 96 KB |
| Comptage SM | — | 16 |
Performance théorique
| Taux de pixel | 6.240 GPixel/s | 13.82 GPixel/s |
|---|---|---|
| Taux de texture | 15.60 GTexel/s | 36.86 GTexel/s |
| FP32 (float) performance | 499.2 GFLOPS | 345.6 GFLOPS |
| FP64 (double) performance | 31.20 GFLOPS (1:16) | — |
Board Design
| Taille Slot | Single-slot | Dual-slot |
|---|---|---|
| TDP | 50 W | 155 W |
| Suggestions pour le PSU | 250 W | 450 W |
| Sorties | 1x DVI1x HDMI1x VGA | 2x DVI1x S-Video |
| Connecteurs de puissance | None | 2x 6-pin |
| Board number | C552 | P355 |
| Longueur | — | 270 mm 10.6 inches |
Caractéristiques graphiques
| DirectX | 12 (11_1) | 11.1 (10_0) |
|---|---|---|
| OpenGL | 4.6 | 3.3 |
| OpenCL | 1.2 | 1.1 (1.0) |
| Vulkan | 1.2 | — |
| Shader model | 5.1 | 4.0 |
| CUDA | — | 1.0 |
