AMD Radeon R7 M445 vs ATI Mobility Radeon HD 4850
Processeur graphique
| Nom du GPU | Meso | M98 |
|---|---|---|
| GPU variant | Meso PRO (216-0864032) | — |
| Architecture | GCN 3.0 | TeraScale |
| Fonderie | TSMC | TSMC |
| Taille du processus | 28 nm | 55 nm |
| Transistors | 1,550 million | 956 million |
| Taille des matrices | 125 mm² | 256 mm² |
Graphiques mobiles
| Date de publication | May 15th, 2016 | Jan 9th, 2009 |
|---|---|---|
| Génération | Crystal System (R7 M400) | M9x (Mobility HD 4800) |
| Production | End-of-life | End-of-life |
| Bus interface | PCIe 3.0 x8 | PCIe 2.0 x16 |
| Prédécesseur | Solar System | M8x |
| Successeur | Mobility Radeon | Manhattan |
| Critiques | — | 2 in our database |
Vitesse clock
| Base clock | 780 MHz | — |
|---|---|---|
| Boost clock | 920 MHz | — |
| Mémoire clock | 1000 MHz 4 Gbps effective | 850 MHz 1700 Mbps effective |
| GPU clock | — | 500 MHz |
Mémoire
| Taille de la mémoire | 4 GB | 1024 MB |
|---|---|---|
| Type de mémoire | GDDR5 | GDDR3 |
| Bus mémoire | 64 bit | 256 bit |
| Bande passante | 32.00 GB/s | 54.40 GB/s |
Render Config
| Shading units | 320 | 800 |
|---|---|---|
| TMUs | 20 | 40 |
| ROPs | 8 | 16 |
| Compute units | 5 | 10 |
| Cache L1 | 16 KB (per CU) | 16 KB (per CU) |
| Cache L2 | 128 KB | 256 KB |
Performance théorique
| Taux de pixel | 7.360 GPixel/s | 8.000 GPixel/s |
|---|---|---|
| Taux de texture | 18.40 GTexel/s | 20.00 GTexel/s |
| FP16 (half) performance | 588.8 GFLOPS (1:1) | — |
| FP32 (float) performance | 588.8 GFLOPS | 800.0 GFLOPS |
| FP64 (double) performance | 36.80 GFLOPS (1:16) | 160.0 GFLOPS (1:5) |
Board Design
| Taille Slot | IGP | — |
|---|---|---|
| TDP | unknown | unknown |
| Sorties | No outputs | No outputs |
Caractéristiques graphiques
| DirectX | 12 (12_0) | 10.1 (10_1) |
|---|---|---|
| OpenGL | 4.6 | 3.3 |
| OpenCL | 2.0 | 1.1 |
| Vulkan | 1.2 | — |
| Shader model | 6.0 | 4.1 |
