NVIDIA GeForce 9800 GTX vs NVIDIA GeForce GT 440
Graphics Processor
| GPU model | G92 | GF108 |
|---|---|---|
| GPU variant | G92-420-A2 | GF108-400-A1 |
| Architecture | Tesla | Fermi |
| Foundry | TSMC | TSMC |
| Manufacturing process | 65 nm | 40 nm |
| Number of transistors | 754 million | 585 million |
| Die size | 324 mm² | 116 mm² |
Graphics Card
| Release date | Mar 28th, 2008 | Feb 1st, 2011 |
|---|---|---|
| Generation | GeForce 9 | GeForce 400 |
| Production | End-of-life | End-of-life |
| Launch price | 299 USD | 79 USD |
| Interface | PCIe 2.0 x16 | PCIe 2.0 x16 |
| Reviews | 84 in our database | 5 in our database |
| Predecessor | GeForce 8 | GeForce 200 |
| Successor | GeForce 200 | GeForce 500 |
Clocks
| GPU clock | 675 MHz | 810 MHz |
|---|---|---|
| Shader clock | 1688 MHz | 1620 MHz |
| Memory clock | 1100 MHz 2.2 Gbps effective | 900 MHz 1800 Mbps effective |
Memory Configuration
| Memory size | 512 MB | 1024 MB |
|---|---|---|
| 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 | 96 |
|---|---|---|
| TMUs | 64 | 16 |
| ROPs | 16 | 4 |
| SM count | 16 | 2 |
| Cache L2 | 64 KB | 256 KB |
| Cache L1 | — | 64 KB (per SM) |
Performance
| Pixel rate | 10.80 GPixel/s | 3.240 GPixel/s |
|---|---|---|
| Texture rate | 43.20 GTexel/s | 12.96 GTexel/s |
| FP32 (float) performance | 432.1 GFLOPS | 311.0 GFLOPS |
| FP64 (double) performance | — | 25.92 GFLOPS (1:12) |
Dimensions & Outputs
| Slot width | Dual-slot | Single-slot |
|---|---|---|
| Length | 267 mm 10.5 inches | 145 mm 5.7 inches |
| Width | 111 mm 4.4 inches | — |
| Height | 38 mm 1.5 inches | — |
| TDP | 140 W | 65 W |
| Suggested PSU | 300 W | 250 W |
| Outputs | 2x DVI1x S-Video | 1x DVI1x HDMI1x VGA |
| Power connectors | 2x 6-pin | None |
| Board number | P392 | P1071 |
API Support & Features
| DirectX | 11.1 (10_0) | 12 (11_0) |
|---|---|---|
| OpenGL | 3.3 | 4.6 |
| OpenCL | 1.1 | 1.1 |
| Vulkan | — | — |
| CUDA | 1.1 | 2.1 |
| Shader model | 4.0 | 5.1 |
