AMD Ryzen Embedded 7645 socket: AM5
The AMD Ryzen Embedded 7645 uses AM5, the LGA socket for Raphael embedded processors with DDR5 and PCIe Gen5 lanes. The 6-core chip at 65 W suits industrial boards with extended temperature and longevity support.
- Socket
- AM5
- Launched
- November 2023
- Cores and threads
- 6 and 12
- Default TDP
- 65 W
- Codename
- Raphael
- Segment
- Embedded
- Family
- AMD Ryzen Embedded
- Clocks
- 3.8 / 5.1 GHz
AMD Ryzen Embedded 7645 specifications
| Cores | 6 |
|---|---|
| Threads | 12 (SMT) |
| Core architecture | Zen 4 |
| Clocks | 3.8 GHz base, up to 5.1 GHz boost |
| Cache | 32 MB L3, 6 MB L2 |
| Default TDP | 65 W |
| Manufacturing process | TSMC 5 nm FinFET (compute), 6 nm (I/O die) |
| Memory support | DDR5, 2 channels |
| PCI Express | PCIe 5.0 |
| Integrated graphics | AMD Radeon Graphics, 2 CUs at up to 2200 MHz |
| Multiplier | Locked |
| ECC memory | Yes (requires board support) |
| Package | AM5 (LGA1718) |
Motherboard and chipset compatibility
AMD Ryzen Embedded 7645 needs a motherboard with a AM5 socket. The table shows which chipset series accept it.
| Series | Chipsets | Support |
|---|---|---|
| 800 series | X870E, X870, B850, B840 | Works out of the box |
| 600 series | X670E, X670, B650E, B650, A620 | Works out of the box |
Board makers publish a CPU support list for every model. Check it for your exact board before buying. Chipset details for AM5.
AM5 at a glance
| Type | LGA, 1,718 contacts |
|---|---|
| Package size | 40 × 40 mm |
| Introduced | September 2022 |
| Memory | DDR5 only (AMD EXPO profiles for faster kits) |
| Cooler mounting holes | 54 × 90 mm |
What the Ryzen Embedded 7645 is
The Ryzen Embedded 7645 is a 6-core and 12-thread embedded processor that AMD positions for industrial AM5 designs. Six Zen 4 cores with simultaneous multithreading run at 3.8 GHz base and up to 5.1 GHz boost, plus 6 MB of L2 and 32 MB of L3. The chiplet design mirrors the PRO 7645 silicon with embedded longevity and 0 to 95 C junction range. Default TDP is 65 W for wall-mount and rack industrial PCs.
Radeon Graphics with 2 compute units at up to 2200 MHz cover operator displays without a discrete card. Security processor support helps industrial deployments. DDR5 board memory feeds 6 cores from SODIMM or UDIMM per carrier design.
Industrial automation and medical imaging gateways fit here. Six cores keep control plus UI smooth at 65 W. Buyers who need 8 cores for heavier vision should take the AMD Ryzen Embedded 7745 with the same 65 W instead, since this 7645 prioritizes value.
Socket and motherboard compatibility
The Embedded 7645 fits AM5 on industrial carrier boards with embedded firmware and longevity. Consumer 600 and 800 series chipset coverage does not transfer automatically, so the embedded vendor list governs. The neutral sentence covers the board-specific case.
Industrial AM5 boards pair this SKU with DDR5 ECC SODIMM, NVMe and multi-LAN for 24-hour cells. Delivery is drawn for 65 W sustained duty. Firmware must list the embedded ID.
Embedded shoppers compare 7000-series SKUs on cores within 65 W. The 7645 trails 8-core twins on parallel loads. The Socket vs chipset: what decides whether a CPU works guide explains embedded lists.
Memory, PCIe and cooling
DDR5 in two channels with ECC on capable carriers is the embedded standard. Control plus logging should be sized together. Matched pairs are preferred.
PCIe Gen5 lanes serve NVMe, networking and frame grabbers. Fixed splits mean plans must match the carrier manual.
Cooling is industrial 65 W with heatsink and chassis flow. No retail cooler ships with embedded tray supply.
Upgrade paths
AM5 allows embedded moves within the vendor list, such as to 8-core twins. Memory and NVMe can also grow. Firmware must support the target.
A working Embedded 7645 serves plants for years with vendor longevity.
Frequently asked questions
What socket does the Ryzen Embedded 7645 use?
It uses AM5 on industrial embedded carriers. Vendor firmware lists decide fit.
How fast is the Ryzen Embedded 7645?
Six cores and 12 threads at 3.8 GHz base and up to 5.1 GHz boost, with 32 MB of L3 at 65 W.
What memory does the Embedded 7645 support?
DDR5 in two channels with ECC on capable carriers.
Can the Embedded 7645 be upgraded?
Yes, to other embedded Raphael SKUs where the vendor lists them.
Sources and verification
- AMD Ryzen Embedded 5 PRO 7645 6 cores 65W AM5 specs (AMD)
- AMD Ryzen 5 PRO 7645 Raphael 6 cores 65W AM5 pattern (CPU-Monkey)
Facts last checked against these sources on . Page last edited on .