ATI Radeon HD 4870 X2 vs NVIDIA GeForce GTX 1050 Ti
Processeur graphique
| Nom du GPU | R700 | GP107 |
|---|---|---|
| GPU variant | R700 XT (215-0669045) | GP107-400-A1 |
| Architecture | TeraScale | Pascal |
| Fonderie | TSMC | Samsung |
| Taille du processus | 55 nm | 14 nm |
| Transistors | 956 million | 3,300 million |
| Taille des matrices | 256 mm² | 132 mm² |
Carte graphique
| Date de publication | Aug 12th, 2008 | Oct 25th, 2016 |
|---|---|---|
| Génération | Radeon R700 | GeForce 10 |
| Production | End-of-life | End-of-life |
| Prix de lancement | 550 USD | 139 USD |
| Bus interface | PCIe 2.0 x16 | PCIe 3.0 x16 |
| Critiques | 79 in our database | 58 in our database |
| Prédécesseur | Radeon R600 | GeForce 900 |
| Successeur | Evergreen | GeForce 20 |
Vitesse clock
| GPU clock | 750 MHz | — |
|---|---|---|
| Mémoire clock | 900 MHz 3.6 Gbps effective | 1752 MHz 7 Gbps effective |
| Base clock | — | 1291 MHz |
| Boost clock | — | 1392 MHz |
Mémoire
| Taille de la mémoire | 1024 MB | 4 GB |
|---|---|---|
| Type de mémoire | GDDR5 | GDDR5 |
| Bus mémoire | 256 bit | 128 bit |
| Bande passante | 115.2 GB/s | 112.1 GB/s |
Render Config
| Shading units | 800 | 768 |
|---|---|---|
| TMUs | 40 | 48 |
| ROPs | 16 | 32 |
| Compute units | 10 | — |
| Cache L1 | 16 KB (per CU) | 48 KB (per SM) |
| Cache L2 | 256 KB | 1024 KB |
| Comptage SM | — | 6 |
Performance théorique
| Taux de pixel | 12.00 GPixel/s | 44.54 GPixel/s |
|---|---|---|
| Taux de texture | 30.00 GTexel/s | 66.82 GTexel/s |
| FP32 (float) performance | 1,200 GFLOPS | 2.138 TFLOPS |
| FP64 (double) performance | 240.0 GFLOPS (1:5) | 66.82 GFLOPS (1:32) |
| FP16 (half) performance | — | 33.41 GFLOPS (1:64) |
Board Design
| Taille Slot | Dual-slot | Dual-slot |
|---|---|---|
| Longueur | 267 mm 10.5 inches | 145 mm 5.7 inches |
| Taille | 111 mm 4.4 inches | 111 mm 4.4 inches |
| Taille | 38 mm 1.5 inches | — |
| TDP | 286 W | 75 W |
| Suggestions pour le PSU | 600 W | 250 W |
| Sorties | 2x DVI1x S-Video | 1x DVI1x HDMI1x DisplayPort |
| Connecteurs de puissance | 1x 6-pin + 1x 8-pin | None |
| Board number | B509-37 | PG210 |
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 |
| CUDA | — | 6.1 |
