AMD Radeon HD 7990 vs NVIDIA GeForce GTX 690
Grafikprozessor
| GPU Name | Malta | GK104 |
|---|---|---|
| GPU Variante | Malta XT (215-0849026) | GK104-355-A2 |
| Architektur | GCN 1.0 | Kepler |
| Hersteller | TSMC | TSMC |
| Prozessgröße | 28 nm | 28 nm |
| Transistoren | 4,313 million | 3,540 million |
| Chipgröße | 365 mm² | 294 mm² |
Grafikkarte
| Veröffentlichungsdatum | Apr 24th, 2013 | May 3rd, 2012 |
|---|---|---|
| Generation | Southern Islands | GeForce 600 |
| Produktion | End-of-life | End-of-life |
| Originalpreis | 999 USD | 999 USD |
| Businterface | PCIe 3.0 x16 | PCIe 3.0 x16 |
| Reviews | 37 in our database | 20 in our database |
| Vorgänger | Northern Islands | GeForce 500 |
| Nachfolger | Sea Islands | GeForce 700 |
Takt-Geschwindigkeiten
| Basis-Taktfrequenz | 950 MHz | 915 MHz |
|---|---|---|
| Boost-Takt | 1000 MHz | 1019 MHz |
| Speicher-Taktung | 1500 MHz 6 Gbps effective | 1502 MHz 6 Gbps effective |
Speicher
| Speichergröße | 3 GB | 2 GB |
|---|---|---|
| Speichertyp | GDDR5 | GDDR5 |
| Speicherbus | 384 bit | 256 bit |
| Bandbreite | 288.0 GB/s | 192.3 GB/s |
Render-Konfiguration
| Shading-Einheiten | 2048 | 1536 |
|---|---|---|
| TMUs | 128 | 128 |
| ROPs | 32 | 32 |
| Compute Units | 32 | — |
| Cache L1 | 16 KB (per CU) | 16 KB (per SMX) |
| Cache L2 | 768 KB | 512 KB |
| Anzahl SMX | — | 8 |
Theoretische Leistung
| Pixelrate | 32.00 GPixel/s | 32.61 GPixel/s |
|---|---|---|
| Texturrate | 128.0 GTexel/s | 130.4 GTexel/s |
| FP32 (float) Leistung | 4.096 TFLOPS | 3.130 TFLOPS |
| FP64 (double) Leistung | 1,024 GFLOPS (1:4) | 130.4 GFLOPS (1:24) |
Boarddesign
| Steckplatzbreite | Dual-slot | Dual-slot |
|---|---|---|
| Länge | 304 mm 12 inches | 279 mm 11 inches |
| Breite | 106 mm 4.2 inches | 111 mm 4.4 inches |
| Höhe | 38 mm 1.5 inches | 38 mm 1.5 inches |
| TDP | 375 W | 300 W |
| Vorgeschlagenes Netzteil | 750 W | 700 W |
| Ausgabe | 1x DVI4x mini-DisplayPort | 3x DVI1x mini-DisplayPort |
| Stromverbindung | 2x 8-pin | 2x 8-pin |
| Board-Nummer | C476-37 | P2000 |
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 |
