AMD · GCN 1 · 2012
Radeon HD 7870 GHz Edition (Pitcairn XT)
Radeon HD 7870 GHz Edition (Pitcairn XT): 2 GB GDDR5, 175 W, 1,280 Stream processors. Launched March 2012 at $350.
- Memory
- 2 GB
- Power
- 175 W
- Bus width
- 256 bit
Memory2 GB
11 of 183 in Radeon HD
Power175 W
26 of 157 by higher draw in Radeon HD
Stream processors1,280
22 of 179 in Radeon HD
Launch price$350
17 of 75 in Radeon HD
Current market
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Specifications
Memory
- Capacity
- 2 GB
- Memory type
- GDDR5
- Bus width
- 256 bit
- Memory clock
- 1,200 MHz
- Bandwidth
- 153.6 GB/s
Compute
- Stream processors
- 1,280
- TMUs
- 80
- ROPs
- 32
- FP32
- 2,560 GFLOPS
- FP64
- 160 GFLOPS
- Pixel fill rate
- 32 GP/s
- Texture fill rate
- 80 GT/s
Board
- TDP
- 175 W
- Bus interface
- PCIe 3.0 ×16
- Form factor
- desktop
- Launch MSRP
- 350 USD
Physical
- Architecture
- GCN 1
- Process
- 28 nm
- Transistors
- 2.8 billion
- Die size
- 212 mm²
- Series
- Radeon HD
- Launch date
- March 2012
Not recorded by the source: generation, codename, sm count and base clock, or 2 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 7870 GHz Edition (Pitcairn XT) ranks 12th of 121 for FP32 throughput and 11th of 183 for memory capacity. Its 175 W TDP is above the 75 W PCIe slot-power ceiling.
Source: Wikipedia, revision 1364362273 · catalog loaded 2026-08-16