Radeon HD 7850M

Reference GPU

GCN 1.0 Radeon HD 7000 Series Gaming Desktop GDDR5 2012

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At a Glance

Entry Type: Reference GPU
Architecture: GCN 1.0
Series: Radeon HD 7000 Series
GPU Die: Heathrow
Launch Date: 2012-04-24
Stream Processors: 640
TMUs: 40
ROPs: 16
Memory: 2 GB GDDR5
Bus Width: 128-bit
TDP/TBP: 40 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 HD 7850M
Architecture	GCN 1.0
Launch Date	2012-04-24
Core Specs
GPU Die	Heathrow
Chip Variant / Package	FCBGA-962
Process Node	TSMC 28 nm
Transistor Count	1.5 billion
Die Size	123 mm²
Stream Processors	640
TMUs	40
ROPs	16
Base Clock	675 MHz
Boost Clock	675 MHz
Pixel Fillrate	10.8 GP/s
Texture Fillrate	27 GT/s
FP32 Throughput	0.86 TFLOPS
FP64 Throughput	0.05 TFLOPS
Memory
Memory Size	2 GB
Memory Type	GDDR5
Memory Bus Width	128-bit
Memory Clock	1,000 MHz
Memory Bandwidth	64 GB/s
L2 Cache	0.25 MB
L1 Cache	16 KB
Board and Display
TDP / TBP	40 W
Interface	PCIe 3.0 x16
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.

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.

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

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