AMD Ryzen 3 PRO 4450U socket: FP6

The AMD Ryzen 3 PRO 4450U uses the FP6 package, a grid array that solders to the laptop board. It is a 4-core Renoir PRO processor at 15 W for business laptops, and the soldered chip cannot be replaced.

Socket
FP6
Launched
May 2020
Cores and threads
4 and 8
Default TDP
15 W
Codename
Renoir
Segment
Mobile (soldered)
Clocks
2.5 / 3.7 GHz

AMD Ryzen 3 PRO 4450U specifications

Cores4
Threads8
Core architectureZen 2 (Renoir)
Clocks2.5 GHz base, up to 3.7 GHz boost
Cache4 MB L3 and 2 MB L2
Default TDP15 W
Manufacturing processTSMC 7 nm
Memory supportDDR4 up to 3200 MT/s or LPDDR4x up to 4266 MT/s, two channels
PCI ExpressPCIe 3.0 from the CPU
Integrated graphicsRadeon Vega 5 (5 compute units, up to 1400 MHz)
MultiplierLocked
PackageFP6 soldered, 1140 balls
Cooler in the boxNone (laptop cooling)

Motherboard compatibility

AMD Ryzen 3 PRO 4450U 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 3 PRO 4450U is

The Ryzen 3 PRO 4450U is a 4-core mobile processor that AMD released in May 2020 with the Renoir PRO FP6 range for business laptops. Its Zen 2 cores run 2.5 GHz base to 3.7 GHz boost with SMT for 8 threads. Cache is 4 MB of L3 with 2 MB of L2.

The PRO badge adds Memory Guard, image stability and manageability support for fleets over the standard 4300U, plus thread doubling the standard part lacks. The 15 W envelope with 10 to 25 W configurability suits thin business bodies. The TSMC 7 nm process keeps efficiency high for battery life.

Radeon Vega 5 graphics handle display output, with 5 compute units at up to 1400 MHz. The multiplier is locked. The socket package is FP6 soldered with 1140 balls.

Socket and motherboard compatibility

The PRO 4450U 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 DDR4-3200 or LPDDR4x-4266 memory soldered nearby.

Because the package is soldered, buyers compare complete business laptops rather than separate parts. A buyer who needs more cores in the same managed family steps to a Ryzen 5 PRO part in a different chassis. The PRO U stays in its business role for its whole service life.

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.

Memory, PCIe and cooling

The memory controller supports DDR4 up to 3200 MT/s or LPDDR4x up to 4266 MT/s in two channels, up to 64 GB. Thin business laptops often shipped with 16 GB soldered for responsive multitasking. Dual channel remains important for graphics speed.

The APU uses a PCIe 3.0 connection from the CPU with 16 lanes for graphics, storage and wireless through the board. The board layout decides lane use, so the laptop specifications state which SSD slots run at full speed. Integrated graphics drive the internal panel and up to four displays.

Cooling is part of the thin business chassis, not a boxed cooler. The 15 W envelope with turbo headroom needs a single fan and slim heat pipe. Lower 10 W settings trade sustained clocks for silence. No AM4 cooler fits, and the CPU cooler compatibility by socket guide covers why desktop brackets do not apply.

Upgrade paths

Against the AMD Ryzen 3 4300U, the PRO 4450U adds thread doubling and manageability in the same 15 W band. The standard part suits study use, while this PRO part suits business fleets with 8 threads. Both share soldered boards and Vega 5 graphics.

There is no CPU upgrade path on the soldered board. The next step is a full laptop replacement, either with another FP6 business system or a move to a later platform. Storage moves with the drive when the chassis allows it, while memory stays as ordered.

For used buyers, the PRO business part makes sense for managed small fleets. When more cores matter, the Ryzen 5 PRO 4650U adds two cores in the same socket family.

Frequently asked questions

What socket does the AMD Ryzen 3 PRO 4450U use?

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

How many cores does the AMD Ryzen 3 PRO 4450U have?

4 cores with 8 threads, 2.5 GHz base and up to 3.7 GHz boost, with 4 MB of L3 cache.

What memory does the AMD Ryzen 3 PRO 4450U support?

DDR4 up to 3200 MT/s or LPDDR4x up to 4266 MT/s in two channels. Memory solders to the board.

What does PRO add over the Ryzen 3 4300U?

Memory Guard, image stability and manageability support for fleets, plus SMT threads the standard 4300U lacks.

What is the TDP of the AMD Ryzen 3 PRO 4450U?

15 W configurable from 10 to 25 W. The thin business chassis cooler handles boost bursts.

Sources and verification

  1. Ryzen 3 PRO 4450U (WikiChip, May 7 2020, FP6, Vega 5 1400 MHz, 15 W)
  2. Renoir processors list (WikiChip, PRO mobile launch dates, FP6 BGA)

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