AMD Radeon 630 Mobile vs AMD Radeon HD 7870M
Grafikprozessor
| GPU Name | Polaris 23 | Heathrow |
|---|---|---|
| GPU Variante | Polaris 23 MXL | Heathrow XT (216-0835033) |
| Architektur | GCN 4.0 | GCN 1.0 |
| Hersteller | GlobalFoundries | TSMC |
| Prozessgröße | 14 nm | 28 nm |
| Transistoren | 2,200 million | 1,500 million |
| Chipgröße | 103 mm² | 123 mm² |
Mobile Grafik
| Veröffentlichungsdatum | May 13th, 2019 | Apr 24th, 2012 |
|---|---|---|
| Generation | Mobility Radeon (M600) | London (HD 7800M) |
| Produktion | Active | End-of-life |
| Businterface | PCIe 3.0 x8 | PCIe 3.0 x16 |
| Vorgänger | Crystal System | Vancouver |
| Nachfolger | — | Solar System |
Takt-Geschwindigkeiten
| Basis-Taktfrequenz | 1082 MHz | — |
|---|---|---|
| Boost-Takt | 1211 MHz | — |
| Speicher-Taktung | 1500 MHz 6 Gbps effective | 1000 MHz 4 Gbps effective |
| GPU-Taktung | — | 800 MHz |
Speicher
| Speichergröße | 2 GB | 2 GB |
|---|---|---|
| Speichertyp | GDDR5 | GDDR5 |
| Speicherbus | 128 bit | 128 bit |
| Bandbreite | 96.00 GB/s | 64.00 GB/s |
Render-Konfiguration
| Shading-Einheiten | 512 | 640 |
|---|---|---|
| TMUs | 32 | 40 |
| ROPs | 16 | 16 |
| Compute Units | 8 | 10 |
| Cache L1 | 16 KB (per CU) | 16 KB (per CU) |
| Cache L2 | 512 KB | 256 KB |
Theoretische Leistung
| Pixelrate | 19.38 GPixel/s | 12.80 GPixel/s |
|---|---|---|
| Texturrate | 38.75 GTexel/s | 32.00 GTexel/s |
| FP16 (half) Leistung | 1,240 GFLOPS (1:1) | — |
| FP32 (float) Leistung | 1,240 GFLOPS | 1,024 GFLOPS |
| FP64 (double) Leistung | 77.50 GFLOPS (1:16) | 64.00 GFLOPS (1:16) |
Boarddesign
| Steckplatzbreite | Dual-slot | — |
|---|---|---|
| Länge | 145 mm 5.7 inches | — |
| TDP | 50 W | 45 W |
| Ausgabe | 1x DVI1x HDMI1x DisplayPort | No outputs |
| Stromverbindung | None | — |
| Board-Nummer | D090 | — |
Grafik-Features
| DirectX | 12 (12_0) | 12 (11_1) |
|---|---|---|
| OpenGL | 4.6 | 4.6 |
| OpenCL | 2.1 | 1.2 |
| Vulkan | 1.2 | 1.2 |
| Shader-Modell | 6.4 | 5.1 |
