GPUSPECINDEX

AMD · GCN 3 · 2014

Radeon R9 285 (Tonga Pro)

Radeon R9 285 (Tonga Pro): 2 GB GDDR5, 190 W, 1,792 Stream processors. Launched September 2, 2014 at $249.

Memory
2 GB
Power
190 W
Bus width
256 bit
Memory2 GB50 of 104 in Radeon R9/R7/R5
Power190 W13 of 83 by higher draw in Radeon R9/R7/R5
Stream processors1,79214 of 69 in Radeon R9/R7/R5
Launch price$24911 of 33 in Radeon R9/R7/R5

Current market

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Specifications

Memory

Capacity
2 GB
Memory type
GDDR5
Bus width
256 bit
Bandwidth
176 GB/s

Compute

Stream processors
1,792
TMUs
112
ROPs
32
FP32
3,290 GFLOPS
FP64
206.6 GFLOPS
Pixel fill rate
29.4 GP/s
Texture fill rate
102.8 GT/s

Board

TDP
190 W
Bus interface
PCIe 3.0 ×16
Form factor
desktop
Launch MSRP
249 USD

Physical

Architecture
GCN 3
Process
28 nm
Transistors
5 billion
Die size
359 mm²
Series
Radeon R9/R7/R5
Launch date
September 2, 2014

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.

359 mm² die · 1,792 shadersDie area drawn to scale against the catalog maximum of 1,540 square millimeters. Each dot = 16 shaders.359 mm² die · 1,792 shadersEach dot = 16 shadersDashed frame = largest catalog die (1,540 mm²)

Catalog context

Within its series, the Radeon R9 285 (Tonga Pro) ranks 12th of 54 for FP32 throughput and 50th of 104 for memory capacity. Its 190 W TDP is above the 75 W PCIe slot-power ceiling.

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