AMD Radeon HD 6950 vs AMD Radeon R9 M290X
What is the difference between AMD Radeon HD 6950 and AMD Radeon R9 M290X. Find out which graphics card has better performance.
Graphics Processor (GPU)
| Cayman | GPU Name | Neptune |
| Cayman PRO (215-0807019) | Model number | Neptune XT (216-0847000) |
| TeraScale 3 | Architecture | GCN 1.0 |
| TSMC | Foundry | TSMC |
| 40 nm | Process Size | 28 nm |
| 2,640 million | Transistors | 2,800 million |
| 389 mm² | Die Size | 212 mm² |
Graphics Card
| Dec 14th, 2010 | Release Date | Jan 9th, 2014 |
| Northern Islands (HD 6900) | Family | Crystal System (R9 M200) |
| End-of-life | Production | End-of-life |
| Evergreen | Predecessor | Solar System |
| PCIe 2.0 x16 | Bus Interface | PCIe 3.0 x16 |
Memory
| 2 GB | Memory Size | 4 GB |
| GDDR5 | Memory Type | GDDR5 |
| 256 bit | Memory Bus | 256 bit |
| 160.0 GB/s | Bandwidth | 153.6 GB/s |
Performance
| 25.60 GPixel/s | Pixel fillrate | 28.80 GPixel/s |
| 70.40 GTexel/s | Texture fillrate | 72.00 GTexel/s |
| 2.253 TFLOPS | FP32 (float) performance | 2.304 TFLOPS |
| 563.2 GFLOPS (1:4) | FP64 (double) performance | 144.0 GFLOPS (1:16) |
Clock Speeds
| 1250 MHz 5 Gbps effective | Memory Clock | 1200 MHz 4.8 Gbps effective |
Render Config
| 1408 | Shading Units | 1280 |
| 88 | TMUs | 80 |
| 32 | ROPs | 32 |
| 22 | Compute Units | 20 |
| 8 KB (per CU) | L1 Cache | 16 KB (per CU) |
| 512 KB | L2 Cache | 512 KB |
Board Design
| Dual-slot | Slot Width | MXM Module |
| 200 W | Thermal design power (TDP) | 100 W |
| 2x DVI 1x HDMI 2x mini-DisplayPort | Display Connectors | No outputs |
| 2x 6-pin | Power Connectors | None |
| C216-47 | Board Number | C608 |
API support
| 11.2 (11_0) | DirectX | 12 (11_1) |
| 4.4 | OpenGL | 4.6 |
| 1.2 | OpenCL | 1.2 |
| N/A | Vulkan | 1.2 |
| 5.0 | Shader Model | 5.1 |