AMD Ryzen 9 4900HS socket: FP6
The AMD Ryzen 9 4900HS uses the FP6 package, a soldered grid array with 1140 balls. It is an 8-core Renoir processor at 35 W, and the soldered chip cannot be replaced.
- Socket
- FP6
- Launched
- March 2020
- Cores and threads
- 8 and 16
- Default TDP
- 35 W
- Codename
- Renoir
- Segment
- Mobile (soldered)
- Family
- AMD Ryzen 9
- Clocks
- 3.0 / 4.3 GHz
AMD Ryzen 9 4900HS specifications
| Cores | 8 |
|---|---|
| Threads | 16 |
| Core architecture | Zen 2 (Renoir) |
| Clocks | 3.0 GHz base, up to 4.3 GHz boost |
| Cache | 8 MB L3 and 4 MB L2 |
| Default TDP | 35 W |
| Manufacturing process | TSMC 7 nm FinFET |
| Memory support | DDR4 up to 3200 MT/s or LPDDR4x up to 4266 MT/s, two channels |
| PCI Express | PCIe 3.0 from the CPU |
| Integrated graphics | Radeon Graphics with 8 cores |
| Multiplier | Locked |
| Package | FP6 soldered, 1140 balls |
| Cooler in the box | None (laptop cooling) |
Motherboard compatibility
AMD Ryzen 9 4900HS needs a motherboard with a FP6 socket. Chipset by chipset data for this codename is not recorded yet. See the FP6 chipset list and the board maker's CPU support list.
FP6 at a glance
| Type | BGA, 1,140 contacts |
|---|---|
| Package size | 25 × 35 mm |
| Introduced | March 2020 |
| Memory | DDR4-3200 and LPDDR4x-4267, dual channel, up to 64 GB with ECC where the board enables it |
| Cooler mounting holes | Not applicable (soldered) |
What the Ryzen 9 4900HS is
The Ryzen 9 4900HS is an 8-core efficient performance processor that AMD placed in the Renoir FP6 range in March 2020 for slim performance laptops. Its Zen 2 cores run 3.0 GHz base with boost up to 4.3 GHz across 16 threads. Cache is 8 MB of L3 with 4 MB of L2, and the TSMC 7 nm FinFET process holds higher clocks than Ryzen 7 HS parts at the same power.
The chip targets slim bodies that need Ryzen 9 clocks without 45 W cooling. The fixed 35 W envelope keeps fan size down while 3.0 GHz base exceeds the 2.9 GHz base of the 4800HS. The FP6 package solders to the board with 1140 balls, so there is no socket retention.
Radeon graphics handle display output with 8 cores. The multiplier is locked. The 105 C maximum operating temperature guides slim chassis tuning, where short single thread boosts to 4.3 GHz matter for responsive work.
Socket and motherboard compatibility
The 4900HS fits the FP6 package only. The chip solders to the laptop board, so there is no socket retention and no later processor upgrade. Board support is fixed to the FP6 platform with DDR4 or LPDDR4x memory placed near the processor.
Because the package is soldered, buyers compare complete slim laptops rather than separate parts. A buyer who needs higher sustained clocks in the same core count steps up to the AMD Ryzen 9 4900H with a wider configurable range. A buyer who needs the same efficiency at lower clocks looks at the AMD Ryzen 7 4800HS with 2.9 GHz base.
The How to find your CPU socket type guide explains how to confirm a soldered package from the system specifications. For service, a failed processor means a board replacement through the laptop maker. The related AMD Ryzen 7 4800U shows the 15 W thin option on the same FP6 footprint.
Memory, PCIe and cooling
The memory controller supports DDR4 up to 3200 MT/s or LPDDR4x up to 4266 MT/s across two channels. Slim Ryzen 9 boards often pair the chip with fast LPDDR4x for bandwidth, since integrated graphics and CPU cores share the same channels. There is no DDR5 path on FP6.
The processor exposes PCIe 3.0 lanes for a discrete GPU, NVMe storage and wireless. Laptop boards split the 16 lanes between graphics, fast storage and the chipset link, with exact splits fixed per design. Cooler mounting uses no desktop pattern. Cooling follows the laptop thermal design with slim pipes sized for 35 W, and the CPU cooler compatibility by socket guide places soldered mobile cooling against desktop mounts.
The fixed 35 W envelope keeps comparisons simple. Unlike H parts with 35 to 54 W ranges, the HS holds a known target across makers, so results vary less between models. The 100 MHz base and boost advantage over the 4800HS shows in short bursts rather than long all-core holds.
Upgrade paths
On the same FP6 footprint there is no CPU upgrade path, since the chip is soldered. Owners who need more performance move to a newer laptop with a later FP6 or FP7 processor rather than a chip swap. Storage remains the main practical upgrade.
Within Renoir, the nearby steps are the AMD Ryzen 9 4900H for a wider power range with higher sustained clocks and the AMD Ryzen 7 4800HS for the same 35 W envelope at lower clocks. All three keep 8 cores and 16 threads with 8 MB L3, so the choice is clocks and chassis size rather than core count.
Moving past FP6 entirely means a new laptop on a later platform with DDR5 memory. For buyers choosing in 2020, the 4900HS suited slim Ryzen 9 designs near 35 W, while H parts asked for larger bodies. The two share Renoir and TSMC 7 nm, but they do not share boards.
Frequently asked questions
What socket does the AMD Ryzen 9 4900HS use?
It uses FP6, a soldered ball grid array with 1140 balls. The chip cannot be removed or replaced.
What memory does the Ryzen 9 4900HS support?
DDR4 up to 3200 MT/s or LPDDR4x up to 4266 MT/s in two channels. Slim boards often solder memory, so capacity is fixed at purchase.
Can the Ryzen 9 4900HS be overclocked?
No. The multiplier is locked, and laptop firmware does not expose desktop overclocking controls. The 35 W envelope is fixed for slim bodies.
How does the 4900HS differ from the 4900H?
The 4900HS is a 35 W slim part with 3.0 GHz base, while the AMD Ryzen 9 4900H covers 35 to 54 W with higher sustained clocks for larger bodies. Both share 8 cores, 16 threads and 8 MB L3.
Sources and verification
- Zen 2 Renoir mobile APUs - 4900HS 35W (Wikipedia)
- List of AMD Ryzen processors - Renoir mobile (Wikipedia)
- AMD Ryzen 9 4900H specifications - Renoir FP6 family reference (AMD)
Facts last checked against these sources on . Page last edited on .