AMD · 2008
AMD Mobility Radeon HD 3870 X2
The AMD Mobility Radeon HD 3870 X2 is a high-end dual-GPU mobile graphics card released in 2008, based on the TeraScale architecture.
The AMD Mobility Radeon HD 3870 X2 is a dual-GPU graphics card for laptops, released in September 2008. It uses two M88-LXT chips on a single board, each with 320 shading units for a total of 640, and features 1 GB of GDDR3 memory on a 512-bit bus, delivering 108.8 GB/s bandwidth. The card operates at a base clock of 660 MHz and has a TDP of 110 W. It supports DirectX 10.1 and OpenGL 2.0 (3.3), and includes UVD and PowerPlay 7.0 technologies. The card connects via PCIe ×16 2.0.
Specifications
| Architecture unverified | TeraScale |
|---|---|
| GPU chip unverified | M88-LXT |
| Process node unverified | 55 nm |
| Shading units unverified | 640 |
| Base clock unverified | 660 MHz |
| Memory size unverified | 1 GB |
| Memory type unverified | GDDR3 |
| Memory bus unverified | 512 bit |
| Memory bandwidth unverified | 108.8 GB/s |
| Board power (TDP) unverified | 110 W |
| Bus interface unverified | PCIe ×16 2.0 |
| DirectX support unverified | 10.1 |
| OpenGL support unverified | 2.0 (3.3) |
| Release date unverified | 2008-09-01 |
| Release year unverified | 2008 |
| Notes unverified | UVD, PowerPlay 7.0 |