GPU model | GM20B | NV28 |
---|---|---|
GPU variant | TM670D-A1 | NV28GL A2 |
Architecture | Maxwell 2.0 | Kelvin |
Foundry | TSMC | TSMC |
Manufacturing process | 20 nm | 150 nm |
Number of transistors | 2,000 million | 36 million |
Die size | 118 mm² | 101 mm² |
Release date | Jan 4th, 2015 | — |
---|---|---|
Generation | Tegra | — |
Production | End-of-life | — |
Interface | IGP | — |
GPU clock | 1000 MHz | 300 MHz |
---|---|---|
Memory clock | System Shared | 325 MHz 650 Mbps effective |
Memory size | System Shared | 128 MB |
---|---|---|
Memory type | System Shared | DDR |
Memory bus width | System Shared | 128 bit |
Bandwidth | System Dependent | 10.40 GB/s |
Shading units | 256 | — |
---|---|---|
TMUs | 16 | 8 |
ROPs | 16 | 4 |
SMM count | 2 | — |
Cache L1 | 48 KB (per SMM) | — |
Cache L2 | 256 KB | — |
Pixel shaders | — | 4 |
Vertex shaders | — | 2 |
Pixel rate | 16.00 GPixel/s | 1.200 GPixel/s |
---|---|---|
Texture rate | 16.00 GTexel/s | 2.400 GTexel/s |
FP16 (half) performance | 1,024 GFLOPS (2:1) | — |
FP32 (float) performance | 512.0 GFLOPS | — |
FP64 (double) performance | 16.00 GFLOPS (1:32) | — |
Vertex rate | — | 150.0 MVertices/s |
Slot width | IGP | Single-slot |
---|---|---|
TDP | 15 W | unknown |
Outputs | No outputs | 2x DVI1x S-Video |
Suggested PSU | — | 200 W |
Power connectors | — | None |
DirectX | 12 (12_1) | 8.1 |
---|---|---|
OpenGL | 4.6 | 1.5 |
OpenCL | 1.2 | — |
Vulkan | 1.1 | — |
CUDA | 5.3 | — |
Shader model | 6.4 | — |
Pixel shader | — | 1.3 |
Vertex shader | — | 1.1 |
Release date | — | Nov 12th, 2002 |
---|---|---|
Generation | — | Quadro4 XGL |
Production | — | End-of-life |
Interface | — | AGP 8x |
Reviews | — | 26 in our database |