Radeon R9 285

Reference GPU

GCN 3.0 Radeon R Series Gaming Desktop GDDR5 2014

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At a Glance

Entry Type: Reference GPU
Architecture: GCN 3.0
Series: Radeon R Series
GPU Die: Tonga
Launch Date: 2014-09-02
Stream Processors: 1,792
TMUs: 112
ROPs: 32
Memory: 2 GB GDDR5
Bus Width: 256-bit
TDP/TBP: 190 W
Rec. PSU: 450 W
Interface: PCIe 3.0 x16
Data Confidence: Partial

GPU Specs

What do these fields mean?Partial

Identity
Entry Type	Reference GPU
Official Name	AMD Radeon R9 285
Architecture	GCN 3.0
Launch Date	2014-09-02
Core Specs
GPU Die	Tonga
Process Node	TSMC 28 nm
Transistor Count	5 billion
Die Size	366 mm²
Stream Processors	1792
TMUs	112
ROPs	32
Base Clock	918 MHz
Boost Clock	918 MHz
Pixel Fillrate	29.38 GP/s
Texture Fillrate	102.8 GT/s
FP32 Throughput	3.29 TFLOPS
FP16 Throughput	3.29 TFLOPS
FP64 Throughput	0.21 TFLOPS
Memory
Memory Size	2 GB
Memory Type	GDDR5
Memory Bus Width	256-bit
Memory Clock	1,375 MHz
Memory Bandwidth	176 GB/s
L2 Cache	0.5 MB
L1 Cache	16 KB
Board and Display
TDP / TBP	190 W
Recommended PSU	450 W
Interface	PCIe 3.0 x16
Display Outputs	2x DVI, 1x HDMI 1.4a, 1x DisplayPort 1.2
Slot Width	Dual-slot
Card Length	221 mm
Software
Shader Model	6.5
DirectX Support	DirectX 12.0
Vulkan Support	Vulkan 1.2
OpenGL Support	OpenGL 4.6
OpenCL Support	OpenCL 2.1

This GPU Wiki entry is being expanded and source-checked.

Why It Mattered

This entry is currently a specification record. Historical notes will be added after source review.

Known Issues

Known issues pending source review.

Reviews1 review

Board-partner, reference-card, article, and video reviews that cover this GPU.

ArticleAnandTech

AMD Radeon R9 285 Review

Review of the Radeon R9 285.

SourcesPartial

Sources reviewed: 2026-06-23

This entry is still being source-checked.

Data confidence and source status

Partial entry. Core specifications may be present, but history, variant notes, known issues, and source review may be incomplete.

Verified: core specifications and historical notes have been reviewed against listed sources.
Partial: core specifications may be present, but history, variant notes, known issues, and source review may be incomplete.
Imported: spec-only imported entry pending editorial source review.
Needs source review: narrative notes are incomplete until reviewed.

Independent reference sources

TechPowerUp GPU SpecsOpen source

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