[ AMD ZEN DESKTOP AND MOBILE PROCESSORS // IDENTIFIED CPU ]
AMD Ryzen 7 7840U
Phoenix Ryzen 7040U mobile APU, 2023. 8 cores/16 threads; 3.3/5.1 GHz base/max; 24 MB cache; 15–30 W cTDP; FP7; Radeon 780M 12 CU.
MODEL IDENTIFICATION: AMD Ryzen 7 7840U. Match full model suffix, stepping and package to the physical item and cited documentation.
Recorded specifications
| Cataloged model | AMD Ryzen 7 7840U |
|---|---|
| Era / family | Phoenix Ryzen 7040U mobile APU, 2023. |
| Model specifications | 8 cores/16 threads; 3.3/5.1 GHz base/max; 24 MB cache; 15–30 W cTDP; FP7; Radeon 780M 12 CU. |
| Compatibility | Typically soldered; OEM BIOS, memory wiring and thermal profile essential. |
| Variants / limits | Phoenix distinct from 8840U Hawk Point refresh. |
Compatibility and variants
- Typically soldered; OEM BIOS, memory wiring and thermal profile essential.
- Phoenix distinct from 8840U Hawk Point refresh.
- Check system-vendor CPU support, board revision, firmware minimum, package, memory, cooling and power before installation; similar socket naming does not prove compatibility.
Service and archival notes
Record laptop, firmware, memory, cTDP and thermal profile.
Archive the complete marking/OPN/sSpec, stepping, physical condition, tested host revision, firmware, memory population, cooling, and test conditions. Distinguish published limits from measurements.
Sources & further reading
- Model identification/specification search — AMD Ryzen 7 7840UModel-level part identification and specification cross-reference.
- AMD technical archive — AMD Ryzen 7 7840U product familyAMD-authored processor data books and family specifications.
- AMD product-history reference — AMD Ryzen 7 7840UManufacturer history reference for product-family context.
- Dave2D — The Biggest Moment For Laptops Since Apple's M1Independent video review; treat as supplementary context, not primary manufacturer documentation.
Use the matching manufacturer data sheet revision and platform vendor’s CPU list for final fit decisions.