CPU database reference

Verified catalog record

AMD Ryzen 7 7840U

AMD · AMD Ryzen 7 7840U

AMD Ryzen 7 7840U processor reference with normalized architecture, compute, clocks, cache, memory, PCIe, power, and platform specifications.

Cores / threads: 8 / 16
Max boost: 5.10 GHz
Socket: FP7r2
Default TDP: 28 W

Benchmark

Measured performance reference

Benchmark results are comparable only within the exact same test. They do not represent total product quality.

Cinebench R23 Multi

CPU multi-core rendering benchmark

14,000points

#368 of 654

Rank among CPUs with a Cinebench R23 Multi score in the CTT dataset.

Technical data

Specifications

Only fields backed by the current normalized record are rendered; missing values stay absent rather than becoming N/A grids.

Overview

Manufacturer	AMD
Launch date	2023-05-09
Market segment	laptop

Architecture

Architecture	Zen 4
CPU process	TSMC N4

Compute

Cores	8
Threads	16

Clocks

Base clock	3.30 GHz
Maximum boost clock	5.10 GHz

Cache

L2 cache	8192 KB
L3 cache	16 MB

Memory

Memory support	DDR5 (FP7r2), LPDDR5, x (FP7, FP8)
Memory channels	2

PCIe / I/O

PCI Express	PCIe 4.0

Integrated Graphics

Integrated graphics	AMD Radeon 780M (RDNA 3, 12CU)

Power

Default TDP	28 W

Platform

Socket	FP7r2
Unlocked	No

Hardware navigation

Bounded links selected from structured family, platform, generation, and architecture fields—not model-number proximity.

Sources

Specification provenance

No public source record is available.

Useful next steps selected from the same technical reference and publication system.

Compatibility & upgrades

RAM Compatibility Explained: DDR Generation, DIMM Type, Capacity, Channels, XMP/EXPO, QVLs, and CPU/Motherboard Limits

Understand how DDR generation, DIMM type, CPU memory-controller limits, motherboard implementation, channels, module population, XMP/EXPO profiles, and QVL testing combine to determine real RAM compatibility.