Radeon RX 455 OEM

GCN 2.0 Radeon RX 400 Series Gaming Desktop GDDR5 2016

Key Metrics

Architecture: GCN 2.0
Launch Date: 2016-06-30
Stream Processors: 768
Memory: 2 GB GDDR5
Memory Bandwidth: 104 GB/s
TDP/TBP: 100 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 RX 455 OEM
Architecture	GCN 2.0
Launch Date	2016-06-30
Core Specs
GPU Die	Tobago
Chip Variant / Package	FCBGA-1093
Process Node	TSMC 28 nm
Transistor Count	2.08 billion
Die Size	160 mm²
Stream Processors	768
TMUs	48
ROPs	16
Base Clock	1,050 MHz
Boost Clock	1,050 MHz
Pixel Fillrate	16.8 GP/s
Texture Fillrate	50.4 GT/s
FP32 Throughput	1.61 TFLOPS
FP64 Throughput	0.1 TFLOPS
Memory
Memory Size	2 GB
Memory Type	GDDR5
Memory Bus Width	128-bit
Memory Clock	1,625 MHz
Memory Bandwidth	104 GB/s
L2 Cache	0.25 MB
L1 Cache	16 KB
Board and Display
TDP / TBP	100 W
Recommended PSU	300 W
Interface	PCIe 3.0 x16
Display Outputs	1x DVI, 1x HDMI 1.4a, 1x DisplayPort 1.2
Slot Width	Single-slot
Card Length	165 mm
Software
Shader Model	6.5
DirectX Support	DirectX 12.0
Vulkan Support	Vulkan 1.2
OpenGL Support	OpenGL 4.6
OpenCL Support	OpenCL 2.1

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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