Radeon R9 270 1024SP

GCN 1.0 Radeon R Series Gaming Desktop GDDR5 2015

Key Metrics

Architecture: GCN 1.0
Launch Date: 2015-03-13
Stream Processors: 1,024
Memory: 2 GB GDDR5
Memory Bandwidth: 153.6 GB/s
TDP/TBP: 150 W
Interface: PCIe 3.0 x16

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GPU Specs

What do these fields mean?

Identity
Entry Type	Reference GPU
Official Name	AMD Radeon R9 270 1024SP
Architecture	GCN 1.0
Launch Date	2015-03-13
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	1024
TMUs	64
ROPs	32
Base Clock	900 MHz
Boost Clock	925 MHz
Pixel Fillrate	29.6 GP/s
Texture Fillrate	59.2 GT/s
FP32 Throughput	1.89 TFLOPS
FP64 Throughput	0.12 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	150 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
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

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

Sources

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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