ATI Radeon HD 3870 Mac Edition vs NVIDIA GeForce2 GTS PRO
Processeur graphique
| Nom du GPU | RV670 | NV15 |
|---|---|---|
| GPU variant | RV670 XT (215-0708005) | GeForce2 GTS PRO |
| Architecture | TeraScale | Celsius |
| Fonderie | TSMC | TSMC |
| Taille du processus | 55 nm | 150 nm |
| Transistors | 666 million | 25 million |
| Taille des matrices | 192 mm² | 88 mm² |
Carte graphique
| Date de publication | Jun 12th, 2008 | Apr 26th, 2000 |
|---|---|---|
| Génération | Radeon R600 | GeForce 2 |
| Production | End-of-life | End-of-life |
| Bus interface | PCIe 2.0 x16 | AGP 4x |
| Critiques | 80 in our database | — |
| Prédécesseur | Radeon R500 PCIe | GeForce 2 MX |
| Successeur | Radeon R700 | GeForce 3 |
Vitesse clock
| GPU clock | 777 MHz | 200 MHz |
|---|---|---|
| Mémoire clock | 1126 MHz 2.3 Gbps effective | 200 MHz 400 Mbps effective |
Mémoire
| Taille de la mémoire | 512 MB | 32 MB |
|---|---|---|
| Type de mémoire | GDDR4 | DDR |
| Bus mémoire | 256 bit | 128 bit |
| Bande passante | 72.06 GB/s | 6.400 GB/s |
Render Config
| Shading units | 320 | — |
|---|---|---|
| TMUs | 16 | 8 |
| ROPs | 16 | 4 |
| Compute units | 4 | — |
| Cache L2 | 256 KB | — |
| Pixel shaders | — | 4 |
| Vertex shaders | — | 0 |
Performance théorique
| Taux de pixel | 12.43 GPixel/s | 800.0 MPixel/s |
|---|---|---|
| Taux de texture | 12.43 GTexel/s | 1.600 GTexel/s |
| FP32 (float) performance | 497.3 GFLOPS | — |
| FP64 (double) performance | 99.46 GFLOPS (1:5) | — |
Board Design
| Taille Slot | Single-slot | Single-slot |
|---|---|---|
| Longueur | 241 mm 9.5 inches | — |
| TDP | 106 W | unknown |
| Suggestions pour le PSU | 300 W | 200 W |
| Sorties | 2x DVI1x S-Video | 1x VGA2x S-Video |
| Connecteurs de puissance | 1x 6-pin | None |
Caractéristiques graphiques
| DirectX | 10.1 (10_1) | 7.0 |
|---|---|---|
| OpenGL | 3.3 (full) 4.0 (partial) | 1.5 |
| OpenCL | — | — |
| Vulkan | — | — |
| Shader model | 4.1 | — |
| Pixel shader | — | 0.5 |
| Vertex shader | — | — |
