NVIDIA GeForce GTX 485M vs NVIDIA GeForce GTX 675MX Mac Edition
Graphics Processor
| GPU model | GF104 | GK104 |
|---|---|---|
| GPU variant | N12E-GTX-A1 | N13E-GSR-A2 |
| Architecture | Fermi | Kepler |
| Foundry | TSMC | TSMC |
| Manufacturing process | 40 nm | 28 nm |
| Number of transistors | 1,950 million | 3,540 million |
| Die size | 332 mm² | 294 mm² |
Mobile graphics
| Release date | Jan 5th, 2011 | Apr 1st, 2013 |
|---|---|---|
| Generation | GeForce 400M | GeForce 600M |
| Production | End-of-life | End-of-life |
| Interface | MXM-B (3.0) | PCIe 3.0 x16 |
| Predecessor | GeForce 300M | GeForce 500M |
| Successor | GeForce 500M | GeForce 700M |
Clocks
| GPU clock | 575 MHz | 719 MHz |
|---|---|---|
| Shader clock | 1150 MHz | — |
| Memory clock | 750 MHz 3 Gbps effective | 1250 MHz 5 Gbps effective |
Memory Configuration
| Memory size | 2 GB | 1024 MB |
|---|---|---|
| Memory type | GDDR5 | GDDR5 |
| Memory bus width | 256 bit | 256 bit |
| Bandwidth | 96.00 GB/s | 160.0 GB/s |
Render Configuration
| Shading units | 384 | 1344 |
|---|---|---|
| TMUs | 64 | 112 |
| ROPs | 32 | 32 |
| SM count | 8 | — |
| Cache L1 | 64 KB (per SM) | 16 KB (per SMX) |
| Cache L2 | 512 KB | 512 KB |
| SMX count | — | 7 |
Performance
| Pixel rate | 9.200 GPixel/s | 20.13 GPixel/s |
|---|---|---|
| Texture rate | 36.80 GTexel/s | 80.53 GTexel/s |
| FP32 (float) performance | 883.2 GFLOPS | 1.933 TFLOPS |
| FP64 (double) performance | 73.60 GFLOPS (1:12) | 80.53 GFLOPS (1:24) |
Dimensions & Outputs
| Slot width | MXM Module | — |
|---|---|---|
| TDP | 100 W | 100 W |
| Outputs | No outputs | No outputs |
| Power connectors | None | — |
| Board number | P1044 | — |
API Support & Features
| DirectX | 12 (11_0) | 12 (11_0) |
|---|---|---|
| OpenGL | 4.6 | 4.6 |
| OpenCL | 1.1 | 3.0 |
| Vulkan | — | 1.1 |
| CUDA | 2.1 | 3.0 |
| Shader model | 5.1 | 5.1 |
