AMD · TeraScale 2 · 2010
Radeon HD 6870 (Barts XT) — 1 GB
Radeon HD 6870 (Barts XT) — 1 GB: 1 GB GDDR5, 151 W, 1,120 Stream processors. Launched October 22, 2010 at $239.
- Memory
- 1 GB
- Power
- 151 W
- Bus width
- 256 bit
Memory1 GB
54 of 183 in Radeon HD
Power151 W
29 of 157 by higher draw in Radeon HD
Stream processors1,120
27 of 179 in Radeon HD
Launch price$239
32 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
- 1,050 MHz
- Bandwidth
- 134.4 GB/s
Compute
- Stream processors
- 1,120
- TMUs
- 56
- ROPs
- 32
- FP32
- 2,016 GFLOPS
- Pixel fill rate
- 28.8 GP/s
- Texture fill rate
- 50.4 GT/s
Board
- TDP
- 151 W
- Bus interface
- PCIe 2.1 ×16
- Form factor
- desktop
- Launch MSRP
- 239 USD
Physical
- Architecture
- TeraScale 2
- Process
- 40 nm
- Transistors
- 1.7 billion
- Die size
- 255 mm²
- Series
- Radeon HD
- Launch date
- October 22, 2010
Not recorded by the source: generation, codename, sm count and base clock, or 3 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 Radeon HD 6870 (Barts XT) ranks 19th of 121 for FP32 throughput and 54th of 183 for memory capacity. Its 151 W TDP is above the 75 W PCIe slot-power ceiling.
Source: Wikipedia, revision 1364362273 · catalog loaded 2026-08-16