AMD Ryzen 7 PRO 5850U socket: FP6

The AMD Ryzen 7 PRO 5850U uses the FP6 package, a grid array that solders to the laptop board. It is a 8-core Cezanne-U processor at 15 W, and the soldered chip cannot be replaced.

Socket
FP6
Launched
March 16, 2021
Cores and threads
8 and 16
Default TDP
15 W
Codename
Cezanne-U
Segment
Mobile (soldered)
Clocks
1.9 / 4.4 GHz

AMD Ryzen 7 PRO 5850U specifications

Cores8
Threads16
Core architectureZen 3 (Cezanne)
Clocks1.9 GHz base, up to 4.4 GHz boost
Cache16 MB L3 and 4 MB L2
Default TDP15 W
Manufacturing processTSMC 7 nm FinFET
Memory supportDDR4 up to 3200 MT/s or LPDDR4x up to 4266 MT/s, two channels
PCI ExpressPCIe 3.0 x8 from the CPU
Integrated graphicsRadeon Vega 8, 8 compute units, up to 2000 MHz
MultiplierLocked
PackageFP6 soldered, 1140 balls
Cooler in the boxNone (laptop cooling)

Motherboard compatibility

AMD Ryzen 7 PRO 5850U 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

TypeBGA, 1,140 contacts
Package size25 × 35 mm
IntroducedMarch 2020
MemoryDDR4-3200 and LPDDR4x-4267, dual channel, up to 64 GB with ECC where the board enables it
Cooler mounting holesNot applicable (soldered)

Read the full FP6 socket guide

What the Ryzen 7 PRO 5850U is

The AMD Ryzen 7 PRO 5850U is a 8-core, 16-thread member of the Cezanne-U family from March 2021. Cores run 1.9 GHz base with up to 4.4 GHz boost, backed by 16 MB of L3 plus 4 MB of L2. The 15 W rating sets cooler and board choice.

Memory support covers DDR4 up to 3200 MT/s or LPDDR4x up to 4266 MT/s, two channels. Two channels feed the cores, and laptop makers choose SODIMM or soldered modules at order time. Radeon Vega 8, 8 compute units, up to 2000 MHz drives laptop displays with hardware video decode. Gen3 lanes from the CPU wire NVMe storage.

Managed fleets take this PRO part with business features for office duty. Specs match the non-PRO twin at the same core count, tuned for stable images. Home buyers use parts such as AMD Ryzen 7 5800U on the same socket.

Socket and motherboard compatibility

The AMD Ryzen 7 PRO 5850U fits the FP6 soldered package. The chip is soldered and cannot be replaced. Makers solder it with cooling for the 15 W band, so configuration happens once at order time.

There is no socketed variant and no board choice beyond the system design. Memory type and expansion follow the laptop design. Systems on the same package span several core counts, so makers reuse layouts across the stack.

Memory, PCIe and cooling

DDR4 up to 3200 MT/s or LPDDR4x up to 4266 MT/s, two channels. Dual-channel fitting stays mandatory for graphics performance.

CPU lanes wire NVMe storage and board devices, with the split fixed per design.

Cooling follows the chassis across the 15 W band. No boxed cooler is assumed for soldered parts. Long sessions settle at the sustained power the body can reject, so cooling reviews of the exact model matter.

Graphics and battery life

Radeon Vega 8, 8 compute units, up to 2000 MHz drives the laptop display with hardware video decode for streaming and calls. The 15 W envelope keeps fan noise low in thin bodies, with turbo headroom for short bursts when opening large documents or joining video meetings.

Graphics pace follows memory choice, so dual-channel DDR4-3200 or LPDDR4x modules matter for smooth video and light play. Laptop makers fix the memory type at order time, and buyers weigh soldered density against SODIMM flexibility where both exist.

Makers can configure thermals between 35 W and 54 W on these H and HX parts to trade noise against sustained pace. Higher ceilings suit large gaming and creator bodies while the 35 W floor fits thinner designs with the same silicon.

Upgrade paths

No CPU upgrade exists on soldered boards. The lineup moves from fewer cores through this 8-core part to options such as AMD Ryzen 7 5800U, chosen at purchase with display and memory. Storage and SODIMM memory where fitted are the only later changes.

Beyond this generation the replacement is a whole laptop on newer platforms with faster memory. The LGA, PGA and BGA: CPU package types explained guide explains the soldered tradeoff behind mobile designs.

Frequently asked questions

What socket does the AMD Ryzen 7 PRO 5850U use?

It uses FP6, a soldered grid array. The chip cannot be replaced.

How many cores does the AMD Ryzen 7 PRO 5850U have?

8 cores with 16 threads at 1.9 GHz base and up to 4.4 GHz boost, with 16 MB of L3.

What graphics does the AMD Ryzen 7 PRO 5850U include?

Radeon Vega 8, 8 compute units, up to 2000 MHz.

What memory does the AMD Ryzen 7 PRO 5850U support?

DDR4 up to 3200 MT/s or LPDDR4x up to 4266 MT/s, two channels.

What is the TDP of the AMD Ryzen 7 PRO 5850U?

15 W.

How many PCIe lanes does the processor offer?

Eight Gen3 lanes from the CPU for NVMe storage and board devices, with the split fixed per laptop design.

What cooler fits this processor?

None boxed. The laptop chassis cools the soldered chip, so cooling reviews of the exact model matter.

Sources and verification

  1. AMD AMD Ryzen 7 PRO 5850U specifications (AMD)
  2. AMD Ryzen 7 PRO 5850U benchmarks and specs (Notebookcheck)

Facts last checked against these sources on . Page last edited on .