GPU Name | Seymour | GF117 |
---|---|---|
GPU Variante | Seymour XT (216-0810084) | N14M-GL |
Architektur | TeraScale 2 | Fermi 2.0 |
Hersteller | TSMC | TSMC |
Prozessgröße | 40 nm | 28 nm |
Transistoren | 370 million | 585 million |
Chipgröße | 67 mm² | 116 mm² |
Veröffentlichungsdatum | Jan 7th, 2012 | Mar 24th, 2014 |
---|---|---|
Generation | London (HD 7400M) | GeForce 800M |
Produktion | End-of-life | End-of-life |
Businterface | PCIe 2.0 x16 | PCIe 2.0 x16 |
Vorgänger | Vancouver | GeForce 700M |
Nachfolger | Solar System | GeForce 900M |
Basis-Taktfrequenz | 750 MHz | — |
---|---|---|
Boost-Takt | 800 MHz | — |
Speicher-Taktung | 900 MHz 1800 Mbps effective | 900 MHz 1800 Mbps effective |
GPU-Taktung | — | 738 MHz |
Shader-Taktung | — | 1476 MHz |
Speichergröße | 1024 MB | 1024 MB |
---|---|---|
Speichertyp | DDR3 | DDR3 |
Speicherbus | 64 bit | 64 bit |
Bandbreite | 14.40 GB/s | 14.40 GB/s |
Shading-Einheiten | 160 | 48 |
---|---|---|
TMUs | 8 | 8 |
ROPs | 4 | 8 |
Compute Units | 2 | — |
Cache L1 | 8 KB (per CU) | 64 KB (per SM) |
Cache L2 | 128 KB | 128 KB |
Anzahl SM | — | 1 |
Pixelrate | 3.200 GPixel/s | 1.476 GPixel/s |
---|---|---|
Texturrate | 6.400 GTexel/s | 5.904 GTexel/s |
FP32 (float) Leistung | 256.0 GFLOPS | 141.7 GFLOPS |
FP64 (double) Leistung | — | 11.81 GFLOPS (1:12) |
TDP | 25 W | 15 W |
---|---|---|
Ausgabe | No outputs | No outputs |
DirectX | 11.2 (11_0) | 12 (11_0) |
---|---|---|
OpenGL | 4.4 | 4.6 |
OpenCL | 1.2 | 1.1 |
Vulkan | — | — |
Shader-Modell | 5.0 | 5.1 |
CUDA | — | 2.1 |