AMD · 2019
AMD Radeon RX 640
The AMD Radeon RX 640 is a graphics card released in 2019, based on the GCN 4 architecture and Polaris 23 chip.
The AMD Radeon RX 640 is a graphics card released on August 13, 2019. It is built on the GCN 4 architecture with a Polaris 23 GPU on a 14 nm process. The card features 512 shading units, a base clock of 1082 MHz, and a boost clock of 1287 MHz. It comes with 4 GB of GDDR5 memory on a 64-bit bus, providing a memory bandwidth of 56.0 GB/s. The card has a board power (TDP) of 50 W and connects via a PCIe 3.0 ×8 interface. It is designed for entry-level gaming and multimedia tasks.
Specifications
| Architecture unverified | GCN 4 |
|---|---|
| GPU chip unverified | Polaris 23 |
| Process node unverified | 14 nm |
| Shading units unverified | 512 |
| Base clock unverified | 1082 MHz |
| Boost clock unverified | 1287 MHz |
| Memory size unverified | 4 GB |
| Memory type unverified | GDDR5 |
| Memory bus unverified | 64 bit |
| Memory bandwidth unverified | 56.0 GB/s |
| Board power (TDP) unverified | 50 W |
| Bus interface unverified | PCIe 3.0 ×8 |
| Release date unverified | 2019-08-13 |
| Release year unverified | 2019 |