Radeon RX 640
- GPU Brand:
- AMD
- Series:
- Radeon 600 Series
- Board Partner:
- AMD (Reference)
- VRAM:
- 4 GB
- Memory Type:
- GDDR5
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Manufacturer: AMD Last updated:
Radeon RX 640 Review
Radeon RX 640 graphics card, 4 GB VRAM.
The Radeon RX 640 is an AMD reference-design graphics card in the Radeon 600 Series lineup, launched Q3 2019. It ships with 4 GB of GDDR5. This entry reflects AMD's official reference specification; board-partner card variants may differ in clocks, cooling, and power delivery.
Performance and Architecture
The Radeon RX 640 is an AMD reference-design graphics card in the Radeon 600 Series lineup, launched Q3 2019. It ships with 4 GB of GDDR5. This entry reflects AMD's official reference specification; board-partner card variants may differ in clocks, cooling, and power delivery.
Platform and Connectivity
The Radeon RX 640 follows AMD's Radeon 600|500|400 reference design conventions for memory, display outputs, and bus interface as specified by AMD.
Comparison to Alternatives
Within this catalog's Radeon 600 Series listings, the Radeon RX 640 reference specification sits alongside board-partner variants of the same chip, which may offer different clocks, cooling, and pricing.
Our verdict
Reviewed by Burooj Alam. Rated by us, not by users.
Best for
- Buyers comparing AMD's official reference specifications
- Researching a chip before choosing a board-partner card
- Workstation/datacenter procurement research
Not for
- Buyers wanting a specific retail card with cooler and warranty details
- Overclocking-focused enthusiasts (reference clocks only)
Specifications
What these specs meanPlatform
| GPU Brand | AMD |
|---|---|
| Board Partner | AMD (Reference) |
Identity and type
| Product Type | Laptop GPU |
|---|---|
| Series | Legacy |
Performance
| VRAM | 4 GB |
|---|---|
| Memory Type | GDDR5 |
| Boost Clock | 1287 MHz |
Physical & Power
| TDP | 50 W |
|---|
Silicon
| Architecture | GCN |
|---|---|
| Process Node | Other |
| Shader Units | 512 |
| Compute Blocks | 8 |
Memory
| Memory Bus Width | 64 bit |
|---|---|
| Memory Bandwidth | 56 GB/s |
Display and media
| DisplayPort Version | 1.4 HDR |
|---|
Market and workstation
| Launch Date | Q3 2019 |
|---|
FAQs
What are the key specifications of the Radeon RX 640?
The Radeon RX 640 is a graphics card from AMD. Key specs: GPU Brand AMD, Board Partner AMD (Reference), Compute Units 8 / 10, Stream Processors 512 / 640, Boost Clock 1287.
Who is the Radeon RX 640 best suited to?
Best suited to: Buyers comparing AMD's official reference specifications; Researching a chip before choosing a board-partner card; Workstation/datacenter procurement research.
What are the drawbacks of the Radeon RX 640?
Not the best fit for: Buyers wanting a specific retail card with cooler and warranty details; Overclocking-focused enthusiasts (reference clocks only).