NVIDIA GeForce 9800 GTX vs NVIDIA GeForce GTX 850A
Graphics Processor
| GPU model | G92 | GM107 |
|---|---|---|
| GPU variant | G92-420-A2 | N15P-GT-A1 |
| Architecture | Tesla | Maxwell |
| Foundry | TSMC | TSMC |
| Manufacturing process | 65 nm | 28 nm |
| Number of transistors | 754 million | 1,870 million |
| Die size | 324 mm² | 148 mm² |
Graphics Card
| Release date | Mar 28th, 2008 | — |
|---|---|---|
| Generation | GeForce 9 | — |
| Production | End-of-life | — |
| Launch price | 299 USD | — |
| Interface | PCIe 2.0 x16 | — |
| Reviews | 84 in our database | — |
| Predecessor | GeForce 8 | — |
| Successor | GeForce 200 | — |
Clocks
| GPU clock | 675 MHz | — |
|---|---|---|
| Shader clock | 1688 MHz | — |
| Memory clock | 1100 MHz 2.2 Gbps effective | 900 MHz 1800 Mbps effective |
| Base clock | — | 902 MHz |
| Boost clock | — | 936 MHz |
Memory Configuration
| Memory size | 512 MB | 2 GB |
|---|---|---|
| Memory type | GDDR3 | DDR3 |
| Memory bus width | 256 bit | 128 bit |
| Bandwidth | 70.40 GB/s | 28.80 GB/s |
Render Configuration
| Shading units | 128 | 640 |
|---|---|---|
| TMUs | 64 | 40 |
| ROPs | 16 | 16 |
| SM count | 16 | — |
| Cache L2 | 64 KB | 2 MB |
| SMM count | — | 5 |
| Cache L1 | — | 64 KB (per SMM) |
Performance
| Pixel rate | 10.80 GPixel/s | 14.98 GPixel/s |
|---|---|---|
| Texture rate | 43.20 GTexel/s | 37.44 GTexel/s |
| FP32 (float) performance | 432.1 GFLOPS | 1,198 GFLOPS |
| FP64 (double) performance | — | 37.44 GFLOPS (1:32) |
Dimensions & Outputs
| Slot width | Dual-slot | IGP |
|---|---|---|
| Length | 267 mm 10.5 inches | — |
| Width | 111 mm 4.4 inches | — |
| Height | 38 mm 1.5 inches | — |
| TDP | 140 W | 45 W |
| Suggested PSU | 300 W | — |
| Outputs | 2x DVI1x S-Video | No outputs |
| Power connectors | 2x 6-pin | — |
| Board number | P392 | — |
API Support & Features
| DirectX | 11.1 (10_0) | 12 (11_0) |
|---|---|---|
| OpenGL | 3.3 | 4.6 |
| OpenCL | 1.1 | 3.0 |
| Vulkan | — | 1.1 |
| CUDA | 1.1 | 5.0 |
| Shader model | 4.0 | 5.1 |
Other Features
Mobile graphics
| Release date | — | Mar 17th, 2014 |
|---|---|---|
| Generation | — | GeForce 800A |
| Production | — | End-of-life |
| Interface | — | PCIe 3.0 x16 |
| Predecessor | — | GeForce 700A |
| Successor | — | GeForce 900A |
