AMD · 2009
Radeon HD 4890 — 1 GB
Radeon HD 4890 — 1 GB: 1 GB GDDR5, 190 W, 800 Stream processors. Launched April 2, 2009 at $249.
- Memory
- 1 GB
- Power
- 190 W
- Bus width
- 256 bit
Memory1 GB
54 of 183 in Radeon HD
Power190 W
20 of 157 by higher draw in Radeon HD
Stream processors800
39 of 179 in Radeon HD
Launch price$249
30 of 75 in Radeon HD
Current market
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Specifications
Memory
- Capacity
- 1 GB
- Memory type
- GDDR5
- Bus width
- 256 bit
- Memory clock
- 975 MHz
- Bandwidth
- 124.8 GB/s
Compute
- Stream processors
- 800
- TMUs
- 40
- ROPs
- 16
- FP32
- 1,360 GFLOPS
- FP64
- 272 GFLOPS
- Pixel fill rate
- 13.6 GP/s
- Texture fill rate
- 34 GT/s
Clocks
- Base clock
- 850 MHz
Board
- TDP
- 190 W
- Bus interface
- PCIe 2.0 ×16
- Form factor
- desktop
- Launch MSRP
- 249 USD
Physical
- Codename
- RV790 XT
- Process
- 55 nm
- Transistors
- 959 million
- Die size
- 282 mm²
- Series
- Radeon HD
- Launch date
- April 2, 2009
Not recorded by the source: generation, architecture, sm count and boost clock, or 1 further field.
Die figure
Silicon, made visible
Die area is drawn against the largest recorded die in the catalog. Shader dots use a labeled, card-specific ratio so both early and modern GPUs remain legible.
Catalog context
Within its series, the Radeon HD 4890 ranks 31st of 121 for FP32 throughput and 54th of 183 for memory capacity. Its 190 W TDP is above the 75 W PCIe slot-power ceiling.
Source: Wikipedia, revision 1364362273 · catalog loaded 2026-08-16