NVIDIA GeForce 825M vs NVIDIA GeForce GT 440
Graphics Processor
| GPU model | GK208 | GF108 |
|---|---|---|
| Architecture | Kepler 2.0 | Fermi |
| Foundry | TSMC | TSMC |
| Manufacturing process | 28 nm | 40 nm |
| Number of transistors | 1,020 million | 585 million |
| Die size | 87 mm² | 116 mm² |
| GPU variant | — | GF108-400-A1 |
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 | 900 MHz 1800 Mbps effective |
| GPU clock | — | 810 MHz |
| Shader clock | — | 1620 MHz |
Memory Configuration
| Memory size | 1024 MB | 1024 MB |
|---|---|---|
| Memory type | DDR3 | DDR3 |
| Memory bus width | 64 bit | 128 bit |
| Bandwidth | 14.40 GB/s | 28.80 GB/s |
Render Configuration
| Shading units | 384 | 96 |
|---|---|---|
| TMUs | 32 | 16 |
| ROPs | 8 | 4 |
| SMX count | 2 | — |
| Cache L1 | 16 KB (per SMX) | 64 KB (per SM) |
| Cache L2 | 512 KB | 256 KB |
| SM count | — | 2 |
Performance
| Pixel rate | 7.528 GPixel/s | 3.240 GPixel/s |
|---|---|---|
| Texture rate | 30.11 GTexel/s | 12.96 GTexel/s |
| FP32 (float) performance | 722.7 GFLOPS | 311.0 GFLOPS |
| FP64 (double) performance | 30.11 GFLOPS (1:24) | 25.92 GFLOPS (1:12) |
Dimensions & Outputs
| Slot width | IGP | Single-slot |
|---|---|---|
| TDP | 33 W | 65 W |
| Outputs | No outputs | 1x DVI1x HDMI1x VGA |
| Power connectors | None | None |
| Length | — | 145 mm 5.7 inches |
| Suggested PSU | — | 250 W |
| Board number | — | P1071 |
API Support & Features
| DirectX | 12 (11_0) | 12 (11_0) |
|---|---|---|
| OpenGL | 4.6 | 4.6 |
| OpenCL | 3.0 | 1.1 |
| Vulkan | 1.1 | — |
| CUDA | 3.5 | 2.1 |
| Shader model | 5.1 | 5.1 |
Other Features
Graphics Card
| Release date | — | Feb 1st, 2011 |
|---|---|---|
| Generation | — | GeForce 400 |
| Production | — | End-of-life |
| Launch price | — | 79 USD |
| Interface | — | PCIe 2.0 x16 |
| Reviews | — | 5 in our database |
| Predecessor | — | GeForce 200 |
| Successor | — | GeForce 500 |
