AMD Ryzen 7 8840U socket: FP8
The AMD Ryzen 7 8840U uses FP8, a soldered BGA for Hawk Point mobile APUs with DDR5 or LPDDR5X and 20 PCIe Gen4 lanes. The 8-core chip at 28 W with Radeon 780M graphics cannot be replaced.
- Socket
- FP8
- Launched
- December 6, 2023
- Cores and threads
- 8 and 16
- Default TDP
- 28 W
- Codename
- Hawk Point
- Segment
- Mobile (soldered)
- Family
- AMD Ryzen 7
- Clocks
- 3.3 / 5.1 GHz
AMD Ryzen 7 8840U specifications
| Cores | 8 |
|---|---|
| Threads | 16 (SMT) |
| Core architecture | Zen 4 |
| Clocks | 3.3 GHz base, up to 5.1 GHz boost |
| Cache | 16 MB L3, 8 MB L2 |
| Default TDP | 28 W (15 to 30 W configurable) |
| Manufacturing process | TSMC 4 nm FinFET |
| Memory support | DDR5-5600 or LPDDR5X-7500, 2 channels, up to 256 GB |
| PCI Express | PCIe 4.0 x20 |
| Integrated graphics | AMD Radeon 780M, 12 CUs at up to 2700 MHz |
| NPU | AMD Ryzen AI, up to 16 TOPS |
| Multiplier | Locked |
| Package | FP8 (BGA, soldered, 25 by 40 mm) |
Motherboard compatibility
AMD Ryzen 7 8840U needs a motherboard with a FP8 socket. Chipset by chipset data for this codename is not recorded yet. See the FP8 chipset list and the board maker's CPU support list.
FP8 at a glance
| Type | BGA, 1,140 contacts |
|---|---|
| Package size | 25 × 40 mm |
| Introduced | 2023 |
| Memory | DDR5 SODIMM or soldered LPDDR5X depending on board design, up to LPDDR5X-8533 on Gorgon Point, dual channel with ECC and Link-ECC options on embedded P100 boards |
| Cooler mounting holes | Not applicable (soldered) |
What the Ryzen 7 8840U is
The Ryzen 7 8840U is an 8-core and 16-thread mobile APU that AMD launched on December 6, 2023 for premium thin laptops. Eight Zen 4 cores with simultaneous multithreading run at 3.3 GHz base and up to 5.1 GHz boost, plus 8 MB of L2 and 16 MB of L3. The 178 sq mm die uses TSMC 4 nm and carries a 28 W default TDP inside a 15 to 30 W configurable range. It rebadges the 7840U with a faster Ryzen AI NPU for generative AI apps.
Radeon 780M graphics with 12 compute units at up to 2700 MHz lead thin integrated graphics for creation and light play. The NPU adds up to 40 percent more generative AI throughput over 7040 series per AMD. Shared DDR5-5600 or LPDDR5X-7500 keeps board cost in check for the premium thin tier.
Premium thin buyers fit here. Eight cores keep creation plus calls smooth at 28 W. Shoppers who need 45 W sustained base should take HS parts such as the AMD Ryzen 7 8840HS with the same clocks instead, since this U part prioritizes battery.
Socket and motherboard compatibility
The 8840U solders to FP8 with 15 to 30 W cooling. No socket upgrade exists. Firmware sets power between silent battery and balanced performance.
Boards use DDR5 SODIMM or soldered LPDDR5X in two channels up to 256 GB. NVMe Gen4 plus USB4 covers storage and docks. Display output spans panel plus three externals.
Thin shoppers compare the two 8-core U and HS parts on power alone. The 8840U matches HS clocks at lower power. The LGA, PGA and BGA: CPU package types explained guide covers soldered mobile.
Memory, PCIe and cooling
DDR5-5600 or LPDDR5X-7500 in two channels is the menu. Dual modules help the 780M GPU. Soldered 32 GB covers creation with headroom.
PCIe Gen4 x20 serves NVMe, wireless and displays. Fixed wiring means options vary.
Cooling is premium thin 28 W with quiet curves. No retail cooler ships with soldered parts.
Upgrade paths
No CPU upgrade exists. The 8-core thin decision is U versus HS at order time. RAM and NVMe can grow where fitted.
The next platform is Strix Point with stronger NPU. A working 8840U lasts premium thin years.
Frequently asked questions
What socket does the Ryzen 7 8840U use?
It uses FP8, soldered with DDR5 or LPDDR5X. The chip cannot be swapped.
How fast is the Ryzen 7 8840U?
Eight cores and 16 threads at 3.3 GHz base and up to 5.1 GHz boost, with 16 MB of L3 at 28 W.
What graphics does the 8840U include?
Radeon 780M with 12 compute units at up to 2700 MHz for creation and light play.
Can the Ryzen 7 8840U be upgraded?
No. CPU solders at the factory. RAM and storage can change where allowed.
Sources and verification
- AMD Ryzen 7 8840U Hawk Point 8 cores 5.1GHz 780M benchmarks (Notebookcheck)
- Ryzen 7 8840U vs Ryzen 5 8640U Hawk Point specs 780M 760M (Technical City)
Facts last checked against these sources on . Page last edited on .