AMD Radeon R7 A265 vs NVIDIA GeForce 830M
Grafikprozessor
| GPU Name | Opal | GM108 |
|---|---|---|
| GPU Variante | Opal XT | — |
| Architektur | GCN 1.0 | Maxwell |
| Hersteller | TSMC | TSMC |
| Prozessgröße | 28 nm | 28 nm |
| Transistoren | 950 million | unknown |
| Chipgröße | 77 mm² | unknown |
Mobile Grafik
| Veröffentlichungsdatum | Jan 9th, 2014 | Mar 12th, 2014 |
|---|---|---|
| Generation | All-In-One (Rx 200) | GeForce 800M |
| Produktion | End-of-life | End-of-life |
| Businterface | PCIe 3.0 x8 | PCIe 3.0 x8 |
| Vorgänger | — | GeForce 700M |
| Nachfolger | — | GeForce 900M |
Takt-Geschwindigkeiten
| Basis-Taktfrequenz | 725 MHz | 1082 MHz |
|---|---|---|
| Boost-Takt | 825 MHz | 1150 MHz |
| Speicher-Taktung | 900 MHz 1800 Mbps effective | 900 MHz 1800 Mbps effective |
Speicher
| Speichergröße | 2 GB | 2 GB |
|---|---|---|
| Speichertyp | DDR3 | DDR3 |
| Speicherbus | 128 bit | 64 bit |
| Bandbreite | 28.80 GB/s | 14.40 GB/s |
Render-Konfiguration
| Shading-Einheiten | 384 | 256 |
|---|---|---|
| TMUs | 24 | 16 |
| ROPs | 8 | 8 |
| Compute Units | 6 | — |
| Cache L1 | 16 KB (per CU) | 64 KB (per SMM) |
| Cache L2 | 256 KB | 1024 KB |
| Anzahl SMM | — | 2 |
Theoretische Leistung
| Pixelrate | 6.600 GPixel/s | 9.200 GPixel/s |
|---|---|---|
| Texturrate | 19.80 GTexel/s | 18.40 GTexel/s |
| FP32 (float) Leistung | 633.6 GFLOPS | 588.8 GFLOPS |
| FP64 (double) Leistung | 39.60 GFLOPS (1:16) | 18.40 GFLOPS (1:32) |
Boarddesign
| TDP | unknown | 33 W |
|---|---|---|
| Ausgabe | No outputs | No outputs |
Grafik-Features
| DirectX | 12 (11_1) | 12 (11_0) |
|---|---|---|
| OpenGL | 4.6 | 4.6 |
| OpenCL | 1.2 | 3.0 |
| Vulkan | 1.2 | 1.1 |
| Shader-Modell | 5.1 | 5.1 |
| CUDA | — | 5.0 |
