NVIDIA GeForce 825M vs ATI Radeon HD 4870 Mac Edition
What is the difference between NVIDIA GeForce 825M and ATI Radeon HD 4870 Mac Edition. Find out which graphics card has better performance.
Graphics Processor (GPU)
| GK208 | GPU Name | RV770 |
| Kepler 2.0 | Architecture | TeraScale |
| TSMC | Foundry | TSMC |
| 28 nm | Process Size | 55 nm |
| 1,020 million | Transistors | 956 million |
| 87 mm² | Die Size | 256 mm² |
Graphics Card
| Jan 27th, 2014 | Release Date | Jan 6th, 2009 |
| GeForce 800M | Family | Radeon R700 (HD 4800) |
| End-of-life | Production | End-of-life |
| GeForce 700M | Predecessor | Radeon R600 |
| PCIe 3.0 x8 | Bus Interface | PCIe 2.0 x16 |
Memory
| 1024 MB | Memory Size | 512 MB |
| DDR3 | Memory Type | GDDR5 |
| 64 bit | Memory Bus | 256 bit |
| 14.40 GB/s | Bandwidth | 108.8 GB/s |
Performance
| 7.528 GPixel/s | Pixel fillrate | 12.00 GPixel/s |
| 30.11 GTexel/s | Texture fillrate | 30.00 GTexel/s |
| 722.7 GFLOPS | FP32 (float) performance | 1,200 GFLOPS |
| 30.11 GFLOPS (1:24) | FP64 (double) performance | 240.0 GFLOPS (1:5) |
Clock Speeds
| 900 MHz 1800 Mbps effective | Memory Clock | 850 MHz 3.4 Gbps effective |
Render Config
| 384 | Shading Units | 800 |
| 32 | TMUs | 40 |
| 8 | ROPs | 16 |
| 16 KB (per SMX) | L1 Cache | 16 KB (per CU) |
| 512 KB | L2 Cache | 256 KB |
Board Design
| IGP | Slot Width | Dual-slot |
| 33 W | Thermal design power (TDP) | 150 W |
| No outputs | Display Connectors | 1x DVI 1x mini-DisplayPort |
| None | Power Connectors | 2x 6-pin |
API support
| 12 (11_0) | DirectX | 10.1 (10_1) |
| 4.6 | OpenGL | 3.3 |
| 3.0 | OpenCL | 1.1 |
| 1.1 | Vulkan | N/A |
| 5.1 | Shader Model | 4.1 |