NVIDIA GeForce GTX 880M vs AMD Radeon R9 285X
What is the difference between NVIDIA GeForce GTX 880M and AMD Radeon R9 285X. Find out which graphics card has better performance.
Graphics Processor (GPU)
| GK104 | GPU Name | Tonga |
| N15E-GX-A2 | Model number | Tonga XT |
| Kepler | Architecture | GCN 3.0 |
| TSMC | Foundry | TSMC |
| 28 nm | Process Size | 28 nm |
| 3,540 million | Transistors | 5,000 million |
| 294 mm² | Die Size | 366 mm² |
Graphics Card
| Mar 12th, 2014 | Release Date | Never Released |
| 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
| 8 GB | Memory Size | 3 GB |
| GDDR5 | Memory Type | GDDR5 |
| 256 bit | Memory Bus | 384 bit |
| 160.0 GB/s | Bandwidth | 264.0 GB/s |
Performance
| 31.78 GPixel/s | Pixel fillrate | 32.06 GPixel/s |
| 127.1 GTexel/s | Texture fillrate | 128.3 GTexel/s |
| 3.050 TFLOPS | FP32 (float) performance | 4.104 TFLOPS |
Clock Speeds
| 1250 MHz 5 Gbps effective | Memory Clock | 1375 MHz 5.5 Gbps effective |
Render Config
| 1536 | Shading Units | 2048 |
| 128 | TMUs | 128 |
| 32 | ROPs | 32 |
| 16 KB (per SMX) | L1 Cache | 16 KB (per CU) |
| 512 KB | L2 Cache | 768 KB |
Board Design
| MXM Module | Slot Width | Dual-slot |
| 122 W | Thermal design power (TDP) | 200 W |
| No outputs | Display Connectors | 2x DVI 1x HDMI 1x DisplayPort |
| None | Power Connectors | 1x 6-pin + 1x 8-pin |
| P2053 SKU 2 | Board Number | C765 |
API support
| 12 (11_0) | DirectX | 12 (12_0) |
| 4.6 | OpenGL | 4.6 |
| 3.0 | OpenCL | 2.0 |
| 1.1 | Vulkan | 1.2 |
| 5.1 | Shader Model | 6.3 |