ATI Radeon HD 4870 vs Intel UHD Graphics 630
Processeur graphique
| Nom du GPU | RV770 | Coffee Lake GT2 |
|---|---|---|
| GPU variant | RV770 XT (215-0669049) | — |
| Architecture | TeraScale | Generation 9.5 |
| Fonderie | TSMC | Intel |
| Taille du processus | 55 nm | 14 nm+++ |
| Transistors | 956 million | unknown |
| Taille des matrices | 256 mm² | unknown |
Carte graphique
| Date de publication | Jun 25th, 2008 | — |
|---|---|---|
| Génération | Radeon R700 | — |
| Production | End-of-life | — |
| Prix de lancement | 299 USD | — |
| Bus interface | PCIe 2.0 x16 | — |
| Critiques | 135 in our database | — |
| Prédécesseur | Radeon R600 | — |
| Successeur | Evergreen | — |
Vitesse clock
| GPU clock | 750 MHz | — |
|---|---|---|
| Mémoire clock | 900 MHz 3.6 Gbps effective | System Shared |
| Base clock | — | 350 MHz |
| Boost clock | — | 1000 MHz |
Mémoire
| Taille de la mémoire | 512 MB | System Shared |
|---|---|---|
| Type de mémoire | GDDR5 | System Shared |
| Bus mémoire | 256 bit | System Shared |
| Bande passante | 115.2 GB/s | System Dependent |
Render Config
| Shading units | 800 | 192 |
|---|---|---|
| TMUs | 40 | 24 |
| ROPs | 16 | 3 |
| Compute units | 10 | — |
| Cache L1 | 16 KB (per CU) | — |
| Cache L2 | 256 KB | — |
| Unités d'exécution | — | 24 |
Performance théorique
| Taux de pixel | 12.00 GPixel/s | 3.000 GPixel/s |
|---|---|---|
| Taux de texture | 30.00 GTexel/s | 24.00 GTexel/s |
| FP32 (float) performance | 1,200 GFLOPS | 384.0 GFLOPS |
| FP64 (double) performance | 240.0 GFLOPS (1:5) | 96.00 GFLOPS (1:4) |
| FP16 (half) performance | — | 768.0 GFLOPS (2:1) |
Board Design
| Taille Slot | Dual-slot | IGP |
|---|---|---|
| Longueur | 241 mm 9.5 inches | — |
| Taille | 111 mm 4.4 inches | — |
| Taille | 40 mm 1.6 inches | — |
| TDP | 150 W | 15 W |
| Suggestions pour le PSU | 450 W | — |
| Sorties | 2x DVI1x S-Video | No outputs |
| Connecteurs de puissance | 2x 6-pin | — |
| Board number | B507-31 | — |
Caractéristiques graphiques
| DirectX | 10.1 (10_1) | 12 (12_1) |
|---|---|---|
| OpenGL | 3.3 | 4.6 |
| OpenCL | 1.1 | 3.0 |
| Vulkan | — | 1.2 |
| Shader model | 4.1 | 6.4 |
AUTRES CARACTÉRISTIQUES
Carte graphique intégré
| Date de publication | — | Apr 3rd, 2018 |
|---|---|---|
| Génération | — | HD Graphics-M (Coffee Lake) |
| Production | — | Active |
| Bus interface | — | Ring Bus |
| Critiques | — | 1 in our database |
