NVIDIA GeForce 820M vs NVIDIA GeForce Go 6100 + nForce Go 430
Graphics Processor
| GPU model | GF117 | C51 |
|---|---|---|
| GPU variant | N15V-GM-B-A2 | NF-G6100-N-A2 |
| Architecture | Fermi 2.0 | Curie |
| Foundry | TSMC | — |
| Manufacturing process | 28 nm | 90 nm |
| Number of transistors | 585 million | unknown |
| Die size | 116 mm² | unknown |
Mobile graphics
| Release date | Nov 27th, 2013 | — |
|---|---|---|
| Generation | GeForce 800M | — |
| Production | End-of-life | — |
| Interface | PCIe 2.0 x16 | — |
| Predecessor | GeForce 700M | — |
| Successor | GeForce 900M | — |
Clocks
| GPU clock | 625 MHz | 425 MHz |
|---|---|---|
| Shader clock | 1250 MHz | — |
| Memory clock | 900 MHz 1800 Mbps effective | System Shared |
Memory Configuration
| Memory size | 1024 MB | System Shared |
|---|---|---|
| Memory type | DDR3 | System Shared |
| Memory bus width | 64 bit | System Shared |
| Bandwidth | 14.40 GB/s | System Dependent |
Render Configuration
| Shading units | 96 | — |
|---|---|---|
| TMUs | 16 | 2 |
| ROPs | 8 | 1 |
| SM count | 2 | — |
| Cache L1 | 64 KB (per SM) | — |
| Cache L2 | 128 KB | — |
| Pixel shaders | — | 2 |
| Vertex shaders | — | 1 |
Performance
| Pixel rate | 2.500 GPixel/s | 425.0 MPixel/s |
|---|---|---|
| Texture rate | 10.00 GTexel/s | 850.0 MTexel/s |
| FP32 (float) performance | 240.0 GFLOPS | — |
| FP64 (double) performance | 20.00 GFLOPS (1:12) | — |
| Vertex rate | — | 106.3 MVertices/s |
Dimensions & Outputs
| TDP | 15 W | unknown |
|---|---|---|
| Outputs | No outputs | No outputs |
| Slot width | — | IGP |
API Support & Features
| DirectX | 12 (11_0) | 9.0c (9_3) |
|---|---|---|
| OpenGL | 4.6 | 2.1 |
| OpenCL | 1.1 | — |
| Vulkan | — | — |
| CUDA | 2.1 | — |
| Shader model | 5.1 | 3.0 |
Other Features
Integrated Graphics
| Release date | — | Feb 1st, 2006 |
|---|---|---|
| Generation | — | GeForce Go 6 IGP (Go 6000) |
| Production | — | End-of-life |
| Interface | — | PCIe 1.0 x16 |
| Reviews | — | 2 in our database |
| Successor | — | GeForce 7M IGP |
