AMD

AMD Ryzen 7 5800U

iGPU:: AMD Radeon Graphics
Boost/Base Clock:: 4.4 GHz / 1.9 GHz
Core/Thread Count:: 8C/16T
Cache:: 16MB L3 + 4MB L2 + 512KB L1
TDP:: 15W
CPU Process Node:: 7 Nanometers (TSMC)
CPU Socket:: FP6
CPU Series:: Zen 3 "Cezanne", Ryzen 5000 Series
Form Factor:: Laptop

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Manufacturer: AMD Last updated: September 9, 2026

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AMD Ryzen 7 5800U Review

The AMD Ryzen 7 5800U is an 8-core, 16-thread ultraportable processor built on genuine Zen 3 (Cezanne), running a 1.9 GHz base clock that boosts to 4.4 GHz within a 15 Watt TDP.

This is the Zen 3 counterpart to the Zen 2-based 5700U within AMD's mixed Ryzen 5000 U-series lineup, delivering meaningfully better single-thread performance thanks to the newer core architecture at the same power envelope.

AMD Radeon Vega 8 Graphics

An 8-compute-unit Vega iGPU, adequate for everyday productivity and light gaming at reduced settings.

How Is the Ryzen 7 5800U in Terms of Performance

Zen 3's architectural improvements give this chip genuinely stronger single-thread performance than the Zen 2-based 5700U at the same 8-core, 16-thread layout and power envelope, a real generational gain within the same U-series family.

Benchmarks

Cinebench R23 multi-core scores of 8,159 and single-core scores of 1,433 lead the Zen 2-based Ryzen 7 5700U's comparable figures, directly reflecting Zen 3's real per-core improvement. Geekbench 4.1 multi-core scores of 28,299 confirm this chip's standing among the strongest ultraportable chips of its generation.

Our verdict

Reviewed by Burooj Alam. Rated by us, not by users.

Best for

Ultraportable laptops wanting genuine Zen 3 architecture with strong single- and multi-thread performance at 15W

Not for

Buyers on a tighter budget who don't need Zen 3 specifically, the Zen 2-based Ryzen 7 5700U offers similar core count for less

Specifications

What these specs mean

Identity

Brand	AMD
Product Line	Ryzen 7
Model Number	5800U
Codename	Cezanne
Release Year	2021

Segment and platform

Market Segment	Laptop
Microarchitecture	Zen 3
Socket	FP6
Socket Status	End of Life
Process Node	7 nm

Core configuration

Total Cores	8
Performance Cores	8
Efficiency Cores	0
Total Threads	16
SMT Enabled	Yes

Clock speeds

P-Core Base Clock	1.9 GHz
P-Core Boost Clock	4.4 GHz

Cache

L2 Cache	4 MB
L3 Cache	16 MB

Power and thermal

Base Power	15 W

Memory

Memory Type	DDR4, LPDDR4
Max Memory Speed	4266 MT/s
Memory Channels	2
ECC Support	No

Graphics and AI

Integrated Graphics	Yes
iGPU Model	AMD Radeon Vega 8 Graphics
iGPU Compute Units	8
Copilot Plus Certified	No

Expansion

PCIe Generation	PCIe 3.0

Commercial

Retail Availability	Soldered Only

Form Factor	Laptop
TDP	15 W
iGPU	AMD Radeon Graphics

FAQs

What are the key specifications of the AMD Ryzen 7 5800U?

The AMD Ryzen 7 5800U has 8 cores and 16 threads, a 1.9 GHz base and 4.4 GHz boost clock, 16 MB of L3 cache and a 15 W TDP. Integrated graphics: AMD Radeon Vega 8 Graphics. Socket: FP6.

Will the AMD Ryzen 7 5800U work with my current setup?

The AMD Ryzen 7 5800U lists CPU Socket is FP6. Check that against the hardware you already own before buying, since this is the field that most often decides whether a part fits.

Who is the AMD Ryzen 7 5800U best suited to?

Best suited to: Ultraportable laptops wanting genuine Zen 3 architecture with strong single- and multi-thread performance at 15W.

What are the drawbacks of the AMD Ryzen 7 5800U?

Not the best fit for: Buyers on a tighter budget who don't need Zen 3 specifically, the Zen 2-based Ryzen 7 5700U offers similar core count for less.