NVIDIA GeForce GT 720A vs ATI Radeon HD 3870 Mac Edition
What is the difference between NVIDIA GeForce GT 720A and ATI Radeon HD 3870 Mac Edition. Find out which graphics card has better performance.
Graphics Processor (GPU)
| GF117 | GPU Name | RV670 |
| N14M-GE | Model number | RV670 XT (215-0708005) |
| Fermi 2.0 | Architecture | TeraScale |
| TSMC | Foundry | TSMC |
| 28 nm | Process Size | 55 nm |
| 585 million | Transistors | 666 million |
| 116 mm² | Die Size | 192 mm² |
Graphics Card
| Jul 1st, 2014 | Release Date | Jun 12th, 2008 |
| GeForce 700A | Family | Radeon R600 (HD 3800) |
| End-of-life | Production | End-of-life |
| GeForce 600A | Predecessor | Radeon R500 PCIe |
| PCIe 2.0 x16 | Bus Interface | PCIe 2.0 x16 |
Memory
| 1024 MB | Memory Size | 512 MB |
| DDR3 | Memory Type | GDDR4 |
| 64 bit | Memory Bus | 256 bit |
| 16.02 GB/s | Bandwidth | 72.06 GB/s |
Performance
| 3.100 GPixel/s | Pixel fillrate | 12.43 GPixel/s |
| 12.40 GTexel/s | Texture fillrate | 12.43 GTexel/s |
| 297.6 GFLOPS | FP32 (float) performance | 497.3 GFLOPS |
| 24.80 GFLOPS (1:12) | FP64 (double) performance | 99.46 GFLOPS (1:5) |
Clock Speeds
| 1001 MHz 2 Gbps effective | Memory Clock | 1126 MHz 2.3 Gbps effective |
| 775 MHz | GPU Clock | 777 MHz |
Render Config
| 96 | Shading Units | 320 |
| 16 | TMUs | 16 |
| 8 | ROPs | 16 |
| 128 KB | L2 Cache | 256 KB |
Board Design
| MXM Module | Slot Width | Single-slot |
| 33 W | Thermal design power (TDP) | 106 W |
| No outputs | Display Connectors | 2x DVI 1x S-Video |
API support
| 12 (11_0) | DirectX | 10.1 (10_1) |
| 4.6 | OpenGL | 3.3 (full) 4.0 (partial) |
| 1.1 | OpenCL | N/A |
| N/A | Vulkan | N/A |
| 5.1 | Shader Model | 4.1 |