ATI Mobility Radeon HD 4830 vs NVIDIA GeForce GT 745M
What is the difference between ATI Mobility Radeon HD 4830 and NVIDIA GeForce GT 745M. Find out which graphics card has better performance.
Graphics Processor (GPU)
| M97 | GPU Name | GK107 |
| TeraScale | Architecture | Kepler |
| TSMC | Foundry | TSMC |
| 40 nm | Process Size | 28 nm |
| 826 million | Transistors | 1,270 million |
| 137 mm² | Die Size | 118 mm² |
Graphics Card
| Mar 3rd, 2009 | Release Date | Apr 1st, 2013 |
| M9x (Mobility HD 4800) | Family | GeForce 700M |
| End-of-life | Production | End-of-life |
| M8x | Predecessor | GeForce 600M |
| PCIe 2.0 x16 | Bus Interface | PCIe 3.0 x16 |
Memory
| 1024 MB | Memory Size | 2 GB |
| GDDR5 | Memory Type | GDDR5 |
| 128 bit | Memory Bus | 128 bit |
| 44.80 GB/s | Bandwidth | 64.00 GB/s |
Performance
| 8.800 GPixel/s | Pixel fillrate | 4.392 GPixel/s |
| 17.60 GTexel/s | Texture fillrate | 17.57 GTexel/s |
| 704.0 GFLOPS | FP32 (float) performance | 421.6 GFLOPS |
| 140.8 GFLOPS (1:5) | FP64 (double) performance | 17.57 GFLOPS (1:24) |
Clock Speeds
| 700 MHz 2.8 Gbps effective | Memory Clock | 1000 MHz 4 Gbps effective |
| 550 MHz | GPU Clock | 549 MHz |
Render Config
| 640 | Shading Units | 384 |
| 32 | TMUs | 32 |
| 16 | ROPs | 16 |
| 16 KB (per CU) | L1 Cache | 16 KB (per SMX) |
| 128 KB | L2 Cache | 256 KB |
Board Design
| unknown | Thermal design power (TDP) | 45 W |
| No outputs | Display Connectors | No outputs |
API support
| 10.1 (10_1) | DirectX | 12 (11_0) |
| 3.3 | OpenGL | 4.6 |
| 1.1 | OpenCL | 3.0 |
| N/A | Vulkan | 1.1 |
| 4.1 | Shader Model | 5.1 |