NVIDIA GeForce GTS 450 Rev. 3 vs NVIDIA GeForce GTX 275
Processeur graphique
| Nom du GPU | GF116 | GT200B |
|---|---|---|
| GPU variant | GF116-200-KA-A1 | G200-105-B3 |
| Architecture | Fermi 2.0 | Tesla 2.0 |
| Fonderie | TSMC | TSMC |
| Taille du processus | 40 nm | 55 nm |
| Transistors | 1,170 million | 1,400 million |
| Taille des matrices | 238 mm² | 470 mm² |
Carte graphique
| Date de publication | Jul 11th, 2012 | Jan 15th, 2009 |
|---|---|---|
| Génération | GeForce 400 | GeForce 200 |
| Production | End-of-life | End-of-life |
| Bus interface | PCIe 2.0 x16 | PCIe 2.0 x16 |
| Critiques | 80 in our database | 61 in our database |
| Prédécesseur | GeForce 200 | GeForce 9 |
| Successeur | GeForce 500 | GeForce 400 |
| Prix de lancement | — | 249 USD |
Vitesse clock
| GPU clock | 783 MHz | 633 MHz |
|---|---|---|
| Shader clock | 1566 MHz | 1404 MHz |
| Mémoire clock | 700 MHz 1400 Mbps effective | 1134 MHz 2.3 Gbps effective |
Mémoire
| Taille de la mémoire | 1024 MB | 896 MB |
|---|---|---|
| Type de mémoire | DDR3 | GDDR3 |
| Bus mémoire | 128 bit | 448 bit |
| Bande passante | 22.40 GB/s | 127.0 GB/s |
Render Config
| Shading units | 144 | 240 |
|---|---|---|
| TMUs | 24 | 80 |
| ROPs | 16 | 28 |
| Comptage SM | 3 | 30 |
| Cache L1 | 64 KB (per SM) | — |
| Cache L2 | 256 KB | 224 KB |
Performance théorique
| Taux de pixel | 4.698 GPixel/s | 17.72 GPixel/s |
|---|---|---|
| Taux de texture | 18.79 GTexel/s | 50.64 GTexel/s |
| FP32 (float) performance | 451.0 GFLOPS | 673.9 GFLOPS |
| FP64 (double) performance | 37.58 GFLOPS (1:12) | 84.24 GFLOPS (1:8) |
Board Design
| Taille Slot | Dual-slot | Dual-slot |
|---|---|---|
| Longueur | 210 mm 8.3 inches | 267 mm 10.5 inches |
| TDP | 106 W | 219 W |
| Suggestions pour le PSU | 300 W | 550 W |
| Sorties | 2x DVI1x mini-HDMI | 2x DVI |
| Board number | P1060 | P897 |
| Connecteurs de puissance | — | 2x 6-pin |
Caractéristiques graphiques
| DirectX | 12 (11_0) | 11.1 (10_0) |
|---|---|---|
| OpenGL | 4.6 | 3.3 |
| OpenCL | 1.1 | 1.1 |
| Vulkan | — | — |
| CUDA | 2.1 | 1.3 |
| Shader model | 5.1 | 4.0 |
