AMD Radeon HD 7970 vs NVIDIA GeForce GTX 980MX
What is the difference between AMD Radeon HD 7970 and NVIDIA GeForce GTX 980MX. Find out which graphics card has better performance.
Graphics Processor (GPU)
| Tahiti | GPU Name | GM204 |
| Tahiti XT (215-0821060) | Model number | N16E-GXX-A1 |
| GCN 1.0 | Architecture | Maxwell 2.0 |
| TSMC | Foundry | TSMC |
| 28 nm | Process Size | 28 nm |
| 4,313 million | Transistors | 5,200 million |
| 352 mm² | Die Size | 398 mm² |
Graphics Card
| Dec 22nd, 2011 | Release Date | Jun 1st, 2016 |
| Southern Islands (HD 7900) | Family | GeForce 900M |
| End-of-life | Production | Active |
| Northern Islands | Predecessor | GeForce 800M |
| PCIe 3.0 x16 | Bus Interface | PCIe 3.0 x16 |
Memory
| 3 GB | Memory Size | 8 GB |
| GDDR5 | Memory Type | GDDR5 |
| 384 bit | Memory Bus | 256 bit |
| 264.0 GB/s | Bandwidth | 192.0 GB/s |
Performance
| 29.60 GPixel/s | Pixel fillrate | 75.39 GPixel/s |
| 118.4 GTexel/s | Texture fillrate | 122.5 GTexel/s |
| 3.789 TFLOPS | FP32 (float) performance | 3.920 TFLOPS |
| 947.2 GFLOPS (1:4) | FP64 (double) performance | 122.5 GFLOPS (1:32) |
Clock Speeds
| 1375 MHz 5.5 Gbps effective | Memory Clock | 1500 MHz 6 Gbps effective |
Render Config
| 2048 | Shading Units | 1664 |
| 128 | TMUs | 104 |
| 32 | ROPs | 64 |
| 16 KB (per CU) | L1 Cache | 48 KB (per SMM) |
| 768 KB | L2 Cache | 2 MB |
Board Design
| Dual-slot | Slot Width | MXM Module |
| 250 W | Thermal design power (TDP) | 148 W |
| 1x DVI 1x HDMI 2x mini-DisplayPort | Display Connectors | No outputs |
| 1x 6-pin + 1x 8-pin | Power Connectors | None |
API support
| 12 (11_1) | DirectX | 12 (12_1) |
| 4.6 | OpenGL | 4.6 |
| 1.2 | OpenCL | 3.0 |
| 1.2 | Vulkan | 1.1 |
| 5.1 | Shader Model | 6.4 |