NVIDIA GeForce 825M vs NVIDIA GeForce 9800 GX2
Graphics Processor
| GPU model | GK208 | G92 |
|---|---|---|
| Architecture | Kepler 2.0 | Tesla |
| Foundry | TSMC | TSMC |
| Manufacturing process | 28 nm | 65 nm |
| Number of transistors | 1,020 million | 754 million |
| Die size | 87 mm² | 324 mm² |
| GPU variant | — | G92-450-A2 |
Mobile graphics
| Release date | Jan 27th, 2014 | — |
|---|---|---|
| Generation | GeForce 800M | — |
| Production | End-of-life | — |
| Interface | PCIe 3.0 x8 | — |
| Predecessor | GeForce 700M | — |
| Successor | GeForce 900M | — |
Clocks
| Base clock | 850 MHz | — |
|---|---|---|
| Boost clock | 941 MHz | — |
| Memory clock | 900 MHz 1800 Mbps effective | 1000 MHz 2 Gbps effective |
| GPU clock | — | 600 MHz |
| Shader clock | — | 1500 MHz |
Memory Configuration
| Memory size | 1024 MB | 512 MB |
|---|---|---|
| Memory type | DDR3 | GDDR3 |
| Memory bus width | 64 bit | 256 bit |
| Bandwidth | 14.40 GB/s | 64.00 GB/s |
Render Configuration
| Shading units | 384 | 128 |
|---|---|---|
| TMUs | 32 | 64 |
| ROPs | 8 | 16 |
| SMX count | 2 | — |
| Cache L1 | 16 KB (per SMX) | — |
| Cache L2 | 512 KB | 64 KB |
| SM count | — | 16 |
Performance
| Pixel rate | 7.528 GPixel/s | 9.600 GPixel/s |
|---|---|---|
| Texture rate | 30.11 GTexel/s | 38.40 GTexel/s |
| FP32 (float) performance | 722.7 GFLOPS | 384.0 GFLOPS |
| FP64 (double) performance | 30.11 GFLOPS (1:24) | — |
Dimensions & Outputs
| Slot width | IGP | Dual-slot |
|---|---|---|
| TDP | 33 W | 197 W |
| Outputs | No outputs | 2x DVI1x HDMI |
| Power connectors | None | 1x 6-pin + 1x 8-pin |
| Length | — | 267 mm 10.5 inches |
| Suggested PSU | — | 450 W |
| Board number | — | P791 |
API Support & Features
| DirectX | 12 (11_0) | 11.1 (10_0) |
|---|---|---|
| OpenGL | 4.6 | 3.3 |
| OpenCL | 3.0 | 1.1 |
| Vulkan | 1.1 | — |
| CUDA | 3.5 | 1.1 |
| Shader model | 5.1 | 4.0 |
Other Features
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 |
