NVIDIA GeForce GTX 870M vs AMD Radeon R9 280
What is the difference between NVIDIA GeForce GTX 870M and AMD Radeon R9 280. Find out which graphics card has better performance.
Graphics Processor (GPU)
| GK104 | GPU Name | Tahiti |
| N15E-GT-A2 | Model number | Tahiti PRO3 (215-0821330) |
| Kepler | Architecture | GCN 1.0 |
| TSMC | Foundry | TSMC |
| 28 nm | Process Size | 28 nm |
| 3,540 million | Transistors | 4,313 million |
| 294 mm² | Die Size | 352 mm² |
Graphics Card
| Mar 12th, 2014 | Release Date | Mar 4th, 2014 |
| GeForce 800M | Family | Volcanic Islands (R9 200) |
| End-of-life | Production | End-of-life |
| GeForce 700M | Predecessor | Sea Islands |
| MXM-B (3.0) | Bus Interface | PCIe 3.0 x16 |
Memory
| 3 GB | Memory Size | 3 GB |
| GDDR5 | Memory Type | GDDR5 |
| 192 bit | Memory Bus | 384 bit |
| 120.0 GB/s | Bandwidth | 240.0 GB/s |
Performance
| 27.08 GPixel/s | Pixel fillrate | 29.86 GPixel/s |
| 108.3 GTexel/s | Texture fillrate | 104.5 GTexel/s |
| 2.599 TFLOPS | FP32 (float) performance | 3.344 TFLOPS |
| 108.3 GFLOPS (1:24) | FP64 (double) performance | 836.0 GFLOPS (1:4) |
Clock Speeds
| 941 MHz | Base Clock | 827 MHz |
| 967 MHz | Boost Clock | 933 MHz |
| 1250 MHz 5 Gbps effective | Memory Clock | 1250 MHz 5 Gbps effective |
Render Config
| 1344 | Shading Units | 1792 |
| 112 | TMUs | 112 |
| 24 | ROPs | 32 |
| 16 KB (per SMX) | L1 Cache | 16 KB (per CU) |
| 384 KB | L2 Cache | 768 KB |
Board Design
| MXM Module | Slot Width | Dual-slot |
| 100 W | Thermal design power (TDP) | 200 W |
| No outputs | Display Connectors | 1x DVI 2x HDMI 1x DisplayPort |
| None | Power Connectors | 1x 6-pin + 1x 8-pin |
| P2053 SKU 3 | Board Number | C386 |
API support
| 12 (11_0) | DirectX | 12 (11_1) |
| 4.6 | OpenGL | 4.6 |
| 3.0 | OpenCL | 1.2 |
| 1.1 | Vulkan | 1.2 |
| 5.1 | Shader Model | 5.1 |