Radeon HD 7870 GHz Edition

Reference GPU

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At a Glance

Identity
Entry Type	Reference GPU
Official Name	AMD Radeon HD 7870 GHz Edition
Architecture	GCN 1.0
Launch Date	2012-03-05
Core Specs
GPU Die	Pitcairn
Chip Variant / Package	FCBGA-1737
Process Node	TSMC 28 nm
Transistor Count	2.8 billion
Die Size	212 mm²
Stream Processors	1280
TMUs	80
ROPs	32
Base Clock	1,000 MHz
Boost Clock	1,000 MHz
Pixel Fillrate	32 GP/s
Texture Fillrate	80 GT/s
FP32 Throughput	2.56 TFLOPS
FP64 Throughput	0.16 TFLOPS
Memory
Memory Size	2 GB
Memory Type	GDDR5
Memory Bus Width	256-bit
Memory Clock	1,200 MHz
Memory Bandwidth	153.6 GB/s
L2 Cache	0.5 MB
L1 Cache	16 KB
Board and Display
TDP / TBP	175 W
Recommended PSU	450 W
Interface	PCIe 3.0 x16
Display Outputs	1x DVI, 1x HDMI 1.4a, 2x mini-DisplayPort 1.2
Slot Width	Dual-slot
Card Length	241 mm
Software
Shader Model	5.1
DirectX Support	DirectX 11.1
Vulkan Support	Vulkan 1.2
OpenGL Support	OpenGL 4.6
OpenCL Support	OpenCL 1.2

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

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

Known issues pending source review.

Reviews1 review

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

Review coverage of the Radeon HD 7870 GHz Edition.

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.

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