AMD Radeon HD 7990 vs NVIDIA GeForce GTX 680 Mac Edition
What is the difference between AMD Radeon HD 7990 and NVIDIA GeForce GTX 680 Mac Edition. Find out which graphics card has better performance.
Graphics Processor (GPU)
Malta | GPU Name | GK104 |
Malta XT (215-0849026) | Model number | GK104-400-A2 |
GCN 1.0 | Architecture | Kepler |
TSMC | Foundry | TSMC |
28 nm | Process Size | 28 nm |
4,313 million | Transistors | 3,540 million |
365 mm² | Die Size | 294 mm² |
Graphics Card
Apr 24th, 2013 | Release Date | Apr 3rd, 2013 |
Southern Islands (HD 7900) | Family | GeForce 600 |
End-of-life | Production | End-of-life |
999 USD | Launch Price | 599 USD |
Northern Islands | Predecessor | GeForce 500 |
PCIe 3.0 x16 | Bus Interface | PCIe 2.0 x16 |
Memory
3 GB x2 | Memory Size | 2 GB |
GDDR5 | Memory Type | GDDR5 |
384 bit x2 | Memory Bus | 256 bit |
Clock Speeds
950 MHz | Base Clock | 1006 MHz |
1000 MHz | Boost Clock | 1058 MHz |
1500 MHz 6 Gbps effective | Memory Clock | 1502 MHz 6 Gbps effective |
Render Config
128 x2 | TMUs | 128 |
32 x2 | ROPs | 32 |
Board Design
304 mm 12 inches | Length | 254 mm 10 inches |
375 W | Thermal design power (TDP) | 195 W |
750 W | Suggested PSU | 450 W |
1x DVI 4x mini-DisplayPort | Display Connectors | 2x DVI 1x HDMI 1x DisplayPort |
2x 8-pin | Power Connectors | 2x 6-pin |
API support
12 (11_1) | DirectX | 12 (11_0) |
4.6 | OpenGL | 4.6 |
1.2 | OpenCL | 3.0 |
1.2 | Vulkan | 1.1 |
5.1 | Shader Model | 5.1 |