AMD Ryzen 7 3780U socket: FP5
The AMD Ryzen 7 3780U uses the FP5 soldered package. It is the Surface Edition Picasso chip with Vega 11 graphics for the Surface Laptop 3.
- Socket
- FP5
- Launched
- October 2019
- Cores and threads
- 4 and 8
- Default TDP
- 15 W
- Codename
- Picasso
- Segment
- Mobile (soldered)
- Family
- AMD Ryzen 7
- Clocks
- 2.3 / 4.0 GHz
AMD Ryzen 7 3780U specifications
| Cores | 4 |
|---|---|
| Threads | 8 |
| Core architecture | Zen+ on 12 nm |
| Clocks | 2.3 GHz base, up to 4.0 GHz boost |
| Cache | 4 MB L3 |
| Default TDP | 15 W (12 to 35 W configurable) |
| Manufacturing process | 12 nm |
| Memory support | DDR4-2400, two channels, up to 32 GB |
| PCI Express | PCIe 3.0 from the CPU |
| Integrated graphics | Radeon Vega 11 (11 cores, up to 1400 MHz) |
| Multiplier | Locked |
| Package | FP5 soldered, 1140 balls |
| Cooler in the box | None (laptop cooling) |
Motherboard compatibility
AMD Ryzen 7 3780U needs a motherboard with a FP5 socket. Chipset by chipset data for this codename is not recorded yet. See the FP5 chipset list and the board maker's CPU support list.
FP5 at a glance
| Type | BGA, 1,140 contacts |
|---|---|
| Package size | 35 × 25 mm |
| Introduced | January 2018 |
| Memory | DDR4 up to 2400 MT/s, two channels |
| Cooler mounting holes | Not applicable (soldered) |
What the Ryzen 7 3780U is
The Ryzen 7 3780U is a four core, eight thread Surface Edition processor from Picasso. Microsoft announced it in October 2019 for the 15 inch Surface Laptop 3 with a 2.3 GHz base and up to 4.0 GHz boost at 15 W. It matches the 3700U CPU with one extra graphics core.
Vega 11 graphics with 11 cores up to 1400 MHz lead integrated graphics of thin 2019 laptops for pen drawing and photo work. Four megabytes of L3 back multitasking across eight threads. The 15 W envelope suits the thin Surface wedge with quiet cooling.
Microsoft tuned thermals with AMD for the Surface chassis, so behavior differs slightly from generic 3700U bodies. Buyers chose Surface display and build over spec sheets. The chip covers study, writing and design drafts.
Socket and motherboard compatibility
The 3780U solders to FP5 on the Surface Laptop 3 15 inch board. No other machine uses this Surface Edition stepping. Memory solders at 8, 16 or 32 GB with no slots.
Cooling is the Surface single fan design for 15 W with silent study modes. Drivers flow through Windows Update for Surface. The LGA, PGA and BGA: CPU package types explained guide explains soldered premium thin practice.
Desktop AM4 boards cannot host the mobile package. Surface parts never reach retail board lists.
Memory, PCIe and cooling
DDR4-2400 soldered in two channels at 8, 16 or 32 GB is the Surface range. The 16 GB tier suits design students best. No post purchase memory change exists.
PCIe 3.0 lanes wire the removable M.2 NVMe SSD from 128 to 512 GB. The SSD module is replaceable through the foot panel on this generation. USB-C carries external displays.
Thermal design is 15 W continuous in thin aluminum. The sealed body needs no dust service. Battery replacement through Microsoft extends travel life.
Upgrade paths
No internal processor or memory upgrade exists. The M.2 SSD module can grow where compatible parts exist. Docks extend desk use.
Within Surface the Ryzen 5 3580U is the step down on the same FP5 family at purchase time. Later Surface generations moved to newer Ryzen and Intel platforms.
Frequently asked questions
What socket does the AMD Ryzen 7 3780U use?
It uses the FP5 soldered package.
Which laptop uses the 3780U?
The 15 inch Microsoft Surface Laptop 3 from late 2019.
How is the 3780U different from the 3700U?
Same CPU with Vega 11 graphics against Vega 10, tuned for Surface.
Can Surface memory be upgraded?
No. DDR4 solders down at order time.
When did the 3780U launch?
October 2019 with the Surface Laptop 3 15 inch.
Sources and verification
Facts last checked against these sources on . Page last edited on .