AMD · 2008
Mobility Radeon HD 3870 M88-LXT
Mobility Radeon HD 3870 M88-LXT: 512 MB GDDR3, 55 W, 320 Stream processors. Launched June 4, 2008.
- Memory
- 512 MB
- Power
- 55 W
- Bus width
- 256 bit
Memory512 MB
130 of 183 in Radeon HD
Power55 W
91 of 157 by higher draw in Radeon HD
Stream processors320
114 of 179 in Radeon HD
Current market
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Specifications
Memory
- Capacity
- 512 MB
- Memory type
- GDDR3
- Bus width
- 256 bit
- Memory clock
- 850 MHz
- Bandwidth
- 54.4 GB/s
Compute
- Stream processors
- 320
- TMUs
- 16
- ROPs
- 16
- Pixel fill rate
- 10.56 GP/s
- Texture fill rate
- 10.56 GT/s
Clocks
- Base clock
- 660 MHz
Board
- TDP
- 55 W
- Bus interface
- PCIe ×16 2.0
- Form factor
- mobile
Physical
- Codename
- RV670
- Process
- 55 nm
- Series
- Radeon HD
- Launch date
- June 4, 2008
Not recorded by the source: generation, architecture, transistors and die size, or 6 further fields.
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 Mobility Radeon HD 3870 M88-LXT ranks 130th of 183 for memory capacity. Its 55 W TDP is within the 75 W PCIe slot-power ceiling.
Source: Wikipedia, revision 1364362273 · catalog loaded 2026-08-16