NVIDIA GeForce GT 555M vs NVIDIA Riva TNT2 Ultra
Graphics Processor
| GPU model | GF106 | NV5B |
|---|---|---|
| GPU variant | N12E-GE-B-A1 | Riva TNT2 Ultra |
| Architecture | Fermi | Fahrenheit |
| Foundry | TSMC | TSMC |
| Manufacturing process | 40 nm | 250 nm |
| Number of transistors | 1,170 million | 15 million |
| Die size | 238 mm² | 90 mm² |
Mobile graphics
| Release date | Oct 27th, 2011 | — |
|---|---|---|
| Generation | GeForce 500M | — |
| Production | End-of-life | — |
| Interface | PCIe 2.0 x16 | — |
| Predecessor | GeForce 400M | — |
| Successor | GeForce 600M | — |
Clocks
| GPU clock | 525 MHz | 150 MHz |
|---|---|---|
| Shader clock | 1050 MHz | — |
| Memory clock | 900 MHz 1800 Mbps effective | 183 MHz |
Memory Configuration
| Memory size | 1024 MB | 32 MB |
|---|---|---|
| Memory type | DDR3 | SDR |
| Memory bus width | 128 bit | 128 bit |
| Bandwidth | 28.80 GB/s | 2.928 GB/s |
Render Configuration
| Shading units | 144 | — |
|---|---|---|
| TMUs | 24 | 2 |
| ROPs | 16 | 2 |
| SM count | 3 | — |
| Cache L1 | 64 KB (per SM) | — |
| Cache L2 | 256 KB | — |
| Pixel shaders | — | 2 |
| Vertex shaders | — | 0 |
Performance
| Pixel rate | 3.150 GPixel/s | 300.0 MPixel/s |
|---|---|---|
| Texture rate | 12.60 GTexel/s | 300.0 MTexel/s |
| FP32 (float) performance | 302.4 GFLOPS | — |
| FP64 (double) performance | 25.20 GFLOPS (1:12) | — |
Dimensions & Outputs
| TDP | 35 W | unknown |
|---|---|---|
| Outputs | No outputs | 1x VGA2x S-Video |
| Slot width | — | Single-slot |
| Suggested PSU | — | 200 W |
| Power connectors | — | None |
API Support & Features
| DirectX | 12 (11_0) | 6.0 |
|---|---|---|
| OpenGL | 4.6 | 1.2 |
| OpenCL | 1.1 | — |
| Vulkan | — | — |
| CUDA | 2.1 | — |
| Shader model | 5.1 | — |
| Pixel shader | — | — |
| Vertex shader | — | — |
Other Features
Graphics Card
| Release date | — | Mar 15th, 1999 |
|---|---|---|
| Generation | — | TNT2 |
| Production | — | End-of-life |
| Launch price | — | 299 USD |
| Interface | — | AGP 4x |
| Predecessor | — | Riva |
| Successor | — | GeForce 256 |
