NVIDIA GeForce 9800 GX2 vs NVIDIA GeForce GT 445M
Graphics Processor
| GPU model | G92 | GF106 |
|---|---|---|
| GPU variant | G92-450-A2 | N11E-GE-A1 |
| Architecture | Tesla | Fermi |
| Foundry | TSMC | TSMC |
| Manufacturing process | 65 nm | 40 nm |
| Number of transistors | 754 million | 1,170 million |
| Die size | 324 mm² | 238 mm² |
Graphics Card
| Release date | Mar 18th, 2008 | — |
|---|---|---|
| Generation | GeForce 9 | — |
| Production | End-of-life | — |
| Launch price | 599 USD | — |
| Interface | PCIe 2.0 x16 | — |
| Reviews | 65 in our database | — |
| Predecessor | GeForce 8 | — |
| Successor | GeForce 200 | — |
Clocks
| GPU clock | 600 MHz | 570 MHz |
|---|---|---|
| Shader clock | 1500 MHz | 1140 MHz |
| Memory clock | 1000 MHz 2 Gbps effective | 625 MHz 2.5 Gbps effective |
Memory Configuration
| Memory size | 512 MB | 1024 MB |
|---|---|---|
| Memory type | GDDR3 | GDDR5 |
| Memory bus width | 256 bit | 128 bit |
| Bandwidth | 64.00 GB/s | 40.00 GB/s |
Render Configuration
| Shading units | 128 | 144 |
|---|---|---|
| TMUs | 64 | 24 |
| ROPs | 16 | 16 |
| SM count | 16 | 3 |
| Cache L2 | 64 KB | 256 KB |
| Cache L1 | — | 64 KB (per SM) |
Performance
| Pixel rate | 9.600 GPixel/s | 3.420 GPixel/s |
|---|---|---|
| Texture rate | 38.40 GTexel/s | 13.68 GTexel/s |
| FP32 (float) performance | 384.0 GFLOPS | 328.3 GFLOPS |
| FP64 (double) performance | — | 27.36 GFLOPS (1:12) |
Dimensions & Outputs
| Slot width | Dual-slot | — |
|---|---|---|
| Length | 267 mm 10.5 inches | — |
| TDP | 197 W | 35 W |
| Suggested PSU | 450 W | — |
| Outputs | 2x DVI1x HDMI | No outputs |
| Power connectors | 1x 6-pin + 1x 8-pin | — |
| Board number | P791 | — |
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 |
Other Features
Mobile graphics
| Release date | — | Sep 3rd, 2010 |
|---|---|---|
| Generation | — | GeForce 400M |
| Production | — | End-of-life |
| Interface | — | PCIe 2.0 x16 |
| Predecessor | — | GeForce 300M |
| Successor | — | GeForce 500M |
