AMD Radeon HD 7970 vs Intel GMA 950
Processeur graphique
| Nom du GPU | Tahiti | Calistoga |
|---|---|---|
| GPU variant | Tahiti XT (215-0821060) | Calistoga-GME |
| Architecture | GCN 1.0 | Generation 3.5 |
| Fonderie | TSMC | Intel |
| Taille du processus | 28 nm | 90 nm |
| Transistors | 4,313 million | unknown |
| Taille des matrices | 352 mm² | unknown |
Carte graphique
| Date de publication | Dec 22nd, 2011 | — |
|---|---|---|
| Génération | Southern Islands | — |
| Production | End-of-life | — |
| Prix de lancement | 549 USD | — |
| Bus interface | PCIe 3.0 x16 | — |
| Critiques | 191 in our database | — |
| gpu.details.availability | Jan 9th, 2012 | — |
| Prédécesseur | Northern Islands | — |
| Successeur | Sea Islands | — |
Vitesse clock
| GPU clock | 925 MHz | 250 MHz |
|---|---|---|
| Mémoire clock | 1375 MHz 5.5 Gbps effective | System Shared |
Mémoire
| Taille de la mémoire | 3 GB | System Shared |
|---|---|---|
| Type de mémoire | GDDR5 | System Shared |
| Bus mémoire | 384 bit | System Shared |
| Bande passante | 264.0 GB/s | System Dependent |
Render Config
| Shading units | 2048 | — |
|---|---|---|
| TMUs | 128 | 4 |
| ROPs | 32 | 1 |
| Compute units | 32 | — |
| Cache L1 | 16 KB (per CU) | — |
| Cache L2 | 768 KB | — |
| Pixel shaders | — | 4 |
| Vertex shaders | — | 1 |
Performance théorique
| Taux de pixel | 29.60 GPixel/s | 250.0 MPixel/s |
|---|---|---|
| Taux de texture | 118.4 GTexel/s | 1.000 GTexel/s |
| FP32 (float) performance | 3.789 TFLOPS | — |
| FP64 (double) performance | 947.2 GFLOPS (1:4) | — |
| Vertex rate | — | 62.50 MVertices/s |
Board Design
| Taille Slot | Dual-slot | IGP |
|---|---|---|
| Longueur | 275 mm 10.8 inches | — |
| Taille | 111 mm 4.4 inches | — |
| Taille | 38 mm 1.5 inches | — |
| TDP | 250 W | 7 W |
| Suggestions pour le PSU | 600 W | — |
| Sorties | 1x DVI1x HDMI2x mini-DisplayPort | No outputs |
| Connecteurs de puissance | 1x 6-pin + 1x 8-pin | — |
| Board number | C386-37 | — |
Caractéristiques graphiques
| DirectX | 12 (11_1) | 9.0c |
|---|---|---|
| OpenGL | 4.6 | 2.0 |
| OpenCL | 1.2 | — |
| Vulkan | 1.2 | — |
| Shader model | 5.1 | 3.0 |
AUTRES CARACTÉRISTIQUES
Carte graphique intégré
| Date de publication | — | 2006 |
|---|---|---|
| Génération | — | GMA Graphics-M (GMA 950 IGP) |
| Production | — | End-of-life |
| Bus interface | — | FSB |
| Critiques | — | 1 in our database |
