GPUSPECINDEX

AMD · 2007

Radeon HD 3870 — 1 GB

Radeon HD 3870 — 1 GB: 1 GB GDDR4, 106 W. Launched November 19, 2007 at $219.

Memory
1 GB
Power
106 W
Bus width
256 bit
Memory1 GB54 of 183 in Radeon HD
Power106 W54 of 157 by higher draw in Radeon HD
Launch price$21935 of 75 in Radeon HD

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Memory

Capacity
1 GB
Memory type
GDDR4
Bus width
256 bit
Memory clock
1,126 MHz
Bandwidth
72.1 GB/s

Compute

FP32
497.3 GFLOPS
FP64
99.2 GFLOPS
Pixel fill rate
12.4 GP/s
Texture fill rate
12.4 GT/s

Clocks

Base clock
777 MHz

Board

TDP
106 W
Bus interface
AGP 8x
Form factor
desktop
Launch MSRP
219 USD

Physical

Codename
RV670 XT
Process
55 nm
Transistors
666 million
Die size
192 mm²
Series
Radeon HD
Launch date
November 19, 2007

Not recorded by the source: generation, architecture, shaders and tmus, or 4 further fields.

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.

192 mm² die · shader count not recordedDie area drawn to scale against the catalog maximum of 1,540 square millimeters. Shader count not recorded.192 mm² die · shader count not recordedShader count not recordedDashed frame = largest catalog die (1,540 mm²)

Within its series, the Radeon HD 3870 ranks 72nd of 121 for FP32 throughput and 54th of 183 for memory capacity. Its 106 W TDP is above the 75 W PCIe slot-power ceiling.

Source: Wikipedia, revision 1364362273 · catalog loaded 2026-08-16