Mobility Radeon HD 5870

Laptop GPU

TeraScale 2 Radeon HD 5000 Series Mobile Laptop GDDR5 2010

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At a Glance

Entry Type: Laptop GPU
Architecture: TeraScale 2
Series: Radeon HD 5000 Series
GPU Die: Broadway
Launch Date: 2010-01-07
Stream Processors: 800
TMUs: 40
ROPs: 16
Memory: 1 GB GDDR5
Bus Width: 128-bit
TDP/TBP: 50 W
Interface: MXM-B (3.0)
Data Confidence: Partial

GPU Specs

What do these fields mean?Partial

Identity
Entry Type	Laptop GPU
Official Name	ATI Mobility Radeon HD 5870
Architecture	TeraScale 2
Launch Date	2010-01-07
Core Specs
GPU Die	Broadway
Chip Variant / Package	FCBGA-962
Process Node	TSMC 40 nm
Transistor Count	1.04 billion
Die Size	166 mm²
Stream Processors	800
TMUs	40
ROPs	16
Base Clock	700 MHz
Boost Clock	700 MHz
Pixel Fillrate	11.2 GP/s
Texture Fillrate	28 GT/s
FP32 Throughput	1.12 TFLOPS
Memory
Memory Size	1 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	8 KB
Board and Display
TDP / TBP	50 W
Interface	MXM-B (3.0)
Slot Width	MXM Module
Software
Shader Model	5.0
DirectX Support	DirectX 11.0
OpenGL Support	OpenGL 4.4
OpenCL Support	OpenCL 1.2

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Why It Mattered

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Known Issues

Known issues pending source review.

SourcesPartial

Sources reviewed: 2026-06-23

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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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