Radeon R7 340 OEM

GCN 1.0 Radeon R Series Gaming Desktop GDDR5 2015

Key Metrics

Architecture: GCN 1.0
Launch Date: 2015-05-05
Stream Processors: 384
Memory: 2 GB GDDR5
Memory Bandwidth: 64 GB/s
TDP/TBP: 50 W
Interface: PCIe 3.0 x8

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GPU Specs

What do these fields mean?

Identity
Entry Type	Reference GPU
Official Name	AMD Radeon R7 340 OEM
Architecture	GCN 1.0
Launch Date	2015-05-05
Core Specs
GPU Die	Oland
Chip Variant / Package	FCBGA-962
Process Node	TSMC 28 nm
Transistor Count	0.95 billion
Die Size	77 mm²
Stream Processors	384
TMUs	24
ROPs	8
Base Clock	730 MHz
Boost Clock	780 MHz
Pixel Fillrate	6.24 GP/s
Texture Fillrate	18.72 GT/s
FP32 Throughput	0.6 TFLOPS
FP64 Throughput	0.04 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	50 W
Recommended PSU	250 W
Interface	PCIe 3.0 x8
Display Outputs	1x DVI, 1x HDMI 1.4a, 1x VGA
Slot Width	Single-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

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