NVIDIA GeForce GTX 870M vs AMD Radeon HD 7950 Boost
What is the difference between NVIDIA GeForce GTX 870M and AMD Radeon HD 7950 Boost. Find out which graphics card has better performance.
Graphics Processor (GPU)
| GK104 | GPU Name | Tahiti |
| N15E-GT-A2 | Model number | Tahiti PRO2 (215-0821282) |
| 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 | Jun 22nd, 2012 |
| GeForce 800M | Family | Southern Islands (HD 7900) |
| End-of-life | Production | End-of-life |
| GeForce 700M | Predecessor | Northern 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 | 29.60 GPixel/s |
| 108.3 GTexel/s | Texture fillrate | 103.6 GTexel/s |
| 2.599 TFLOPS | FP32 (float) performance | 3.315 TFLOPS |
| 108.3 GFLOPS (1:24) | FP64 (double) performance | 828.8 GFLOPS (1:4) |
Clock Speeds
| 941 MHz | Base Clock | 850 MHz |
| 967 MHz | Boost Clock | 925 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 1x HDMI 2x mini-DisplayPort |
| None | Power Connectors | 2x 6-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 |