NVIDIA GeForce 9400 vs NVIDIA GeForce GTX 660 Rev. 2
Graphics Processor
| GPU model | C79 | GK104 |
|---|---|---|
| Architecture | Tesla | Kepler |
| Manufacturing process | 65 nm | 28 nm |
| Number of transistors | 314 million | 3,540 million |
| Die size | 144 mm² | 294 mm² |
| Foundry | — | TSMC |
Integrated Graphics
| Release date | Apr 17th, 2007 | — |
|---|---|---|
| Generation | GeForce 9 IGP | — |
| Production | End-of-life | — |
| Interface | PCI | — |
| Reviews | 6 in our database | — |
| Predecessor | GeForce 8 IGP | — |
Clocks
| GPU clock | 450 MHz | — |
|---|---|---|
| Shader clock | 1100 MHz | — |
| Memory clock | System Shared | 1502 MHz 6 Gbps effective |
| Base clock | — | 980 MHz |
| Boost clock | — | 1032 MHz |
Memory Configuration
| Memory size | System Shared | 2 GB |
|---|---|---|
| Memory type | System Shared | GDDR5 |
| Memory bus width | System Shared | 192 bit |
| Bandwidth | System Dependent | 144.2 GB/s |
Render Configuration
| Shading units | 16 | 960 |
|---|---|---|
| TMUs | 8 | 80 |
| ROPs | 4 | 24 |
| SM count | 2 | — |
| SMX count | — | 5 |
| Cache L1 | — | 16 KB (per SMX) |
| Cache L2 | — | 384 KB |
Performance
| Pixel rate | 1.800 GPixel/s | 20.64 GPixel/s |
|---|---|---|
| Texture rate | 3.600 GTexel/s | 82.56 GTexel/s |
| FP32 (float) performance | 35.20 GFLOPS | 1.981 TFLOPS |
| FP64 (double) performance | — | 82.56 GFLOPS (1:24) |
Dimensions & Outputs
| Slot width | IGP | Dual-slot |
|---|---|---|
| TDP | 40 W | 140 W |
| Outputs | 1x DVI1x VGA1x S-Video | 2x DVI1x HDMI1x DisplayPort |
| Length | — | 241 mm 9.5 inches |
| Suggested PSU | — | 300 W |
| Power connectors | — | 1x 6-pin |
| Board number | — | P2004 SKU 11 |
API Support & Features
| DirectX | 11.1 (10_0) | 12 (11_0) |
|---|---|---|
| OpenGL | 3.3 | 4.6 |
| OpenCL | — | 3.0 |
| Vulkan | — | 1.1 |
| Shader model | 4.0 | 5.1 |
| CUDA | — | 3.0 |
Other Features
Graphics Card
| Release date | — | Sep 13th, 2014 |
|---|---|---|
| Generation | — | GeForce 600 |
| Production | — | End-of-life |
| Interface | — | PCIe 3.0 x16 |
| Reviews | — | 77 in our database |
| Predecessor | — | GeForce 500 |
| Successor | — | GeForce 700 |
