GPUSPECINDEX

AMD · TeraScale 2 · 2011

Radeon HD 6870M (Granville XT)

Radeon HD 6870M (Granville XT): 1 GB GDDR5, 50 W, 800 Stream processors. Launched January 2011.

Memory
1 GB
Power
50 W
Bus width
128 bit
Memory1 GB54 of 183 in Radeon HD
Power50 W93 of 157 by higher draw in Radeon HD
Stream processors80039 of 179 in Radeon HD

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Memory

Capacity
1 GB
Memory type
GDDR5
Bus width
128 bit
Memory clock
1,000 MHz
Bandwidth
64 GB/s

Compute

Stream processors
800
TMUs
40
ROPs
16
Pixel fill rate
10.8 GP/s
Texture fill rate
27 GT/s

Board

TDP
50 W
Bus interface
PCIe 2.1 x16
Form factor
mobile

Physical

Architecture
TeraScale 2
Process
40 nm
Series
Radeon HD
Launch date
January 2011

Not recorded by the source: generation, codename, transistors and die size, or 7 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.

Die size not recorded · 800 shadersDie size not recorded; shader grid shown without scale. Each dot = 8 shaders.800 shadersEach dot = 8 shadersDie size not recorded; shader grid shown without scale

Within its series, the Radeon HD 6870M (Granville XT) ranks 54th of 183 for memory capacity. Its 50 W TDP is within the 75 W PCIe slot-power ceiling.

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