AMD · 2010
AMD Mobility Radeon HD 4270
The AMD Mobility Radeon HD 4270 is a mobile graphics card released in 2010, based on the TeraScale architecture with a 55 nm RV620 chip.
The AMD Mobility Radeon HD 4270 is a mobile graphics card released in May 2010. It is built on the TeraScale architecture using the RV620 GPU chip manufactured on a 55 nm process. The card features 40 shading units and a base clock of 590 MHz. It is equipped with 0.512 GB of memory, which can be either DDR2 or DDR3, connected via a 64-bit memory bus, providing a memory bandwidth of 6.4 GB/s. The card uses an internal PCIe x16 1.1 bus interface and supports DirectX 10.1 and OpenGL 3.3. Additional features include UVD2 for video decoding and PowerPlay 7.0 for power management. This card is designed for use in laptops and other mobile systems.
Specifications
| Architecture unverified | TeraScale |
|---|---|
| GPU chip unverified | RV620 |
| Process node unverified | 55 nm |
| Shading units unverified | 40 |
| Base clock unverified | 590 MHz |
| Memory size unverified | 0.512 GB |
| Memory type unverified | DDR2, DDR3 |
| Memory bus unverified | 64 bit |
| Memory bandwidth unverified | 6.4 GB/s |
| Bus interface unverified | Internal PCIe x16 1.1 |
| DirectX support unverified | 10.1 |
| OpenGL support unverified | 3.3 |
| Release date unverified | 2010-05-01 |
| Release year unverified | 2010 |
| Notes unverified | UVD2, PowerPlay 7.0 |