AMD Radeon R9 M290X, codenamed “Neptune XT”, is a high-end graphics chip, announced in early Q1 of 2014. It is part of the GCN (Graphics Core Next) generation and is constructed through a 28nm process. Its consists of 1280 Radeon cores, 80 texture cores and 32 raster cores.
All of them operate at 850MHz, but the Turbo clock functionality can increase that up to 900MHz based on the laptop’s cooling capacity.
The chip also has a 256bit bus and is available with either GDR3 or GDDR5 memory. AMD Radeon R9 M290X supports DirectX 11.2, Pixel Shader 5.0, OpenCL 1.2, OpenGL 4.3, Zero Core and Power Gatinng. Memory bandwidth is 160GB/sec.
You can find all available laptops with AMD Radeon R9 M290X CrossFire here: Buy from Amazon.com
Laptops with 2x AMD Radeon R9 M290X (4GB GDDR5, CrossFire)
2x AMD Radeon R9 M290X (4GB GDDR5, CrossFire) - benchmark tests
2x AMD Radeon R9 M290X (4GB GDDR5, CrossFire) vs competitors:
| # | GPU | Memory bus | Performance score |
In laptops starting at... |
|---|---|---|---|---|
| 23. | 2x NVIDIA GeForce GTX 880M (4GB GDDR5, SLI) | 256-bit | 2.6/10 | N/A |
| 24. | 2x NVIDIA GeForce GTX 780M (4GB GDDR5, SLI) | 256-bit | 2.5/10 | N/A |
| 25. | 2x AMD Radeon R9 M290X (4GB GDDR5, CrossFire) | 256-bit | 2.5/10 | N/A |
| 26. | NVIDIA GeForce GTX 1060 Max-Q (3GB GDDR5) | 192-bit | 2.5/10 | $999.00 |
| 27. | NVIDIA GeForce GTX 980M (4GB GDDR5) | 256-bit | 2.5/10 | $1749.99 |
| 28. | NVIDIA GeForce GTX 980M (8GB GDDR5) | 256-bit | 2.4/10 | N/A |
We’ve tested 2x AMD Radeon R9 M290X (4GB GDDR5, CrossFire) on…
| # | Laptop | 3DMark Fire Strike (G) | Unigine Heaven 3.0 | Unigine Heaven 4.0 | Unigine Superposition | Price |
|---|---|---|---|---|---|---|
| 1. | Dell Alienware 18 | 10210.00 | 3290.00 | 2667.00 | 0.00 | N/A |
Hi, how much power we need in board to handle 2 AMD M290X R9. The need crossfire cable?