AMD Radeon HD 8970M vs NVIDIA GeForce GTX 880M
Grafikprozessor
| GPU Name | Neptune | GK104 |
|---|---|---|
| GPU Variante | Neptune XT (216-0847000) | N15E-GX-A2 |
| Architektur | GCN 1.0 | Kepler |
| Hersteller | TSMC | TSMC |
| Prozessgröße | 28 nm | 28 nm |
| Transistoren | 2,800 million | 3,540 million |
| Chipgröße | 212 mm² | 294 mm² |
Mobile Grafik
| Veröffentlichungsdatum | May 14th, 2013 | Mar 12th, 2014 |
|---|---|---|
| Generation | Solar System (HD 8900M) | GeForce 800M |
| Produktion | End-of-life | End-of-life |
| Businterface | PCIe 3.0 x16 | MXM-B (3.0) |
| Vorgänger | London | GeForce 700M |
| Nachfolger | Crystal System | GeForce 900M |
| Reviews | — | 1 in our database |
Takt-Geschwindigkeiten
| Basis-Taktfrequenz | 850 MHz | 954 MHz |
|---|---|---|
| Boost-Takt | 900 MHz | 993 MHz |
| Speicher-Taktung | 1200 MHz 4.8 Gbps effective | 1250 MHz 5 Gbps effective |
Speicher
| Speichergröße | 4 GB | 8 GB |
|---|---|---|
| Speichertyp | GDDR5 | GDDR5 |
| Speicherbus | 256 bit | 256 bit |
| Bandbreite | 153.6 GB/s | 160.0 GB/s |
Render-Konfiguration
| Shading-Einheiten | 1280 | 1536 |
|---|---|---|
| TMUs | 80 | 128 |
| ROPs | 32 | 32 |
| Compute Units | 20 | — |
| Cache L1 | 16 KB (per CU) | 16 KB (per SMX) |
| Cache L2 | 512 KB | 512 KB |
| Anzahl SMX | — | 8 |
Theoretische Leistung
| Pixelrate | 28.80 GPixel/s | 31.78 GPixel/s |
|---|---|---|
| Texturrate | 72.00 GTexel/s | 127.1 GTexel/s |
| FP32 (float) Leistung | 2.304 TFLOPS | 3.050 TFLOPS |
| FP64 (double) Leistung | 144.0 GFLOPS (1:16) | 127.1 GFLOPS (1:24) |
Boarddesign
| Steckplatzbreite | MXM Module | MXM Module |
|---|---|---|
| TDP | 100 W | 122 W |
| Ausgabe | No outputs | No outputs |
| Stromverbindung | — | None |
| Board-Nummer | — | P2053 SKU 2 |
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 | — | 3.0 |
