AMD Radeon RX 6800 XT

Reference GPU

RDNA 2.0 Radeon RX 6000 Series Gaming Desktop GDDR6 2020

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At a Glance

Entry Type: Reference GPU
Architecture: RDNA 2.0
Series: Radeon RX 6000 Series
GPU Die: Navi 21
Launch Date: 2020-11-18
Launch MSRP: 649
Stream Processors: 4,608
TMUs: 256
ROPs: 128
Memory: 16 GB GDDR6
Bus Width: 256-bit
TDP/TBP: 300 W
Rec. PSU: 700 W
Interface: PCIe 4.0 x16
Data Confidence: Partial

GPU Specs

Identity
Entry Type	Reference GPU
Official Name	AMD Radeon RX 6800 XT
GPU Codename	Navi 21 XT
Architecture	RDNA 2
Launch Date	2020-11-18
Launch MSRP	649
Market Segment Notes	Desktop, Enthusiast
Core Specs
GPU Die	Navi 21
Chip Variant / Package	BGA-2425
Process Node	7 nm
Transistor Count	26800 million
Die Size	520 mm²
Stream Processors	4608
SM Count	72
TMUs	256
ROPs	128
RT Units / RT Cores	72
Base Clock	1825 MHz
Boost Clock	2250 MHz
Pixel Fillrate	288 GP/s
Texture Fillrate	648 GT/s
FP32 Throughput	18.43 TFLOPS
FP16 Throughput	41.47 TFLOPS
FP64 Throughput	1.3 TFLOPS
Memory
Memory Size	16 GB
Memory Type	GDDR6
Memory Bus Width	256-bit
Memory Clock	2000 MHz
Memory Bandwidth	512.0 GB/s
L2 Cache	4 MB
L1 Cache	128 KB
Board and Display
TDP / TBP	300 W
Recommended PSU	700 W
Power Connectors	2x 8-pin
Interface	PCIe 4.0 x16
Display Outputs	1x HDMI 2.1, 2x DisplayPort 1.4a, 1x USB Type-C
Slot Width	Dual-slot
Card Length	267 mm
Software
Shader Model	6.8
DirectX Support	DirectX 12 Ultimate
Vulkan Support	Vulkan 1.3
OpenGL Support	OpenGL 4.6
OpenCL Support	OpenCL 2.1

This GPU Wiki entry is being expanded and source-checked.

Why It Mattered

Challenged the RTX 3080 at the same price in rasterization and brought 16 GB VRAM to the high-end tier, ending a multi-year period where NVIDIA had no credible enthusiast competition.

Known Issues

Known issues pending source review.

Reviews2 reviews

Board-partner, reference-card, article, and video reviews that cover this GPU.

ArticlePC Perspective

AMD Radeon RX 6800 XT and RX 6800 Review

Review covering AMD's RX 6800 XT and RX 6800 launch cards.

VideoGamers Nexus

AMD Radeon RX 6800 XT GPU Review

Video review of the RX 6800 XT.

SourcesPartial

Sources reviewed: 2026-06-30

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 SpecsSpecification referenceOpen source

Other sources

AMD Radeon RX 6800 XT support/specificationsOfficial AMD specification page checked on 2026-06-30; confirms 4,608 stream processors, 288 texture units, 300 W typical board power, and 750 W minimum PSU recommendation.Open source

Found an incorrect spec, missing source, or variant issue?

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Why It Mattered

Known Issues

AMD Radeon RX 6800 XT and RX 6800 Review

AMD Radeon RX 6800 XT GPU Review

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