NVIDIA GeForce 820A vs NVIDIA Quadro FX 550M
Graphics Processor
| GPU model | GF117 | G73 |
|---|---|---|
| GPU variant | N15V-GM | — |
| Architecture | Fermi 2.0 | Curie |
| Foundry | TSMC | TSMC |
| Manufacturing process | 28 nm | 90 nm |
| Number of transistors | 585 million | 177 million |
| Die size | 116 mm² | 125 mm² |
Mobile graphics
| Release date | Mar 17th, 2014 | Mar 13th, 2006 |
|---|---|---|
| Generation | GeForce 800A | Quadro FX Mobile (x500M) |
| Production | End-of-life | End-of-life |
| Interface | PCIe 2.0 x16 | PCIe 1.0 x16 |
| Predecessor | GeForce 700A | Quadro FX Go |
| Successor | GeForce 900A | — |
| Reviews | — | 26 in our database |
Clocks
| GPU clock | 775 MHz | 480 MHz |
|---|---|---|
| Shader clock | 1550 MHz | — |
| Memory clock | 900 MHz 1800 Mbps effective | 500 MHz 1000 Mbps effective |
Memory Configuration
| Memory size | 1024 MB | 512 MB |
|---|---|---|
| Memory type | DDR3 | GDDR3 |
| Memory bus width | 64 bit | 128 bit |
| Bandwidth | 14.40 GB/s | 16.00 GB/s |
Render Configuration
| Shading units | 96 | — |
|---|---|---|
| TMUs | 16 | 12 |
| ROPs | 8 | 8 |
| SM count | 2 | — |
| Cache L1 | 64 KB (per SM) | — |
| Cache L2 | 128 KB | — |
| Pixel shaders | — | 12 |
| Vertex shaders | — | 5 |
Performance
| Pixel rate | 3.100 GPixel/s | 3.840 GPixel/s |
|---|---|---|
| Texture rate | 12.40 GTexel/s | 5.760 GTexel/s |
| FP32 (float) performance | 297.6 GFLOPS | — |
| FP64 (double) performance | 24.80 GFLOPS (1:12) | — |
| Vertex rate | — | 600.0 MVertices/s |
Dimensions & Outputs
| TDP | 15 W | 35 W |
|---|---|---|
| Outputs | No outputs | No outputs |
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 |
