AMD Ryzen Embedded 7945 socket: AM5
The AMD Ryzen Embedded 7945 uses AM5, the LGA socket for Raphael embedded processors with DDR5 and PCIe Gen5 lanes. The 12-core chip at 65 W suits industrial boards with extended temperature and longevity support.
- Socket
- AM5
- Launched
- November 2023
- Cores and threads
- 12 and 24
- Default TDP
- 65 W
- Codename
- Raphael
- Segment
- Embedded
- Family
- AMD Ryzen Embedded
- Clocks
- 3.7 / 5.4 GHz
AMD Ryzen Embedded 7945 specifications
| Cores | 12 |
|---|---|
| Threads | 24 (SMT) |
| Core architecture | Zen 4 |
| Clocks | 3.7 GHz base, up to 5.4 GHz boost |
| Cache | 64 MB L3 |
| 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 |
| Multiplier | Locked |
| ECC memory | Yes (requires board support) |
| Package | AM5 (LGA1718) |
Motherboard and chipset compatibility
AMD Ryzen Embedded 7945 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 7945 is
The Ryzen Embedded 7945 is a 12-core and 24-thread embedded processor for industrial AM5 designs. Twelve Zen 4 cores with simultaneous multithreading run at 3.7 GHz base and up to 5.4 GHz boost, with 64 MB of L3 per Raphael 12-core family materials. Default TDP is 65 W with extended temperature range and longevity support. The two-CCD layout shares the AM5 platform with PRO 7945 silicon.
Radeon Graphics with 2 compute units cover operator displays without a discrete card. DDR5 board memory feeds 12 cores from carrier slots. PCIe Gen5 lanes serve NVMe, networking and grabbers in automation cells.
Industrial workstations with parallel builds fit here. Twelve cores keep vision plus control together at 65 W. Buyers who need only 6 cores should save with the AMD Ryzen Embedded 7645 instead, since this 7945 charges for threads.
Socket and motherboard compatibility
The Embedded 7945 fits AM5 on industrial carriers with embedded firmware. Consumer chipset coverage does not transfer automatically, so vendor lists govern. The neutral sentence covers that case.
Carriers pair this SKU with ECC DDR5, NVMe RAID and multi-LAN for 24-hour duty. Delivery is drawn for 65 W sustained operation. Firmware must list the embedded ID.
Embedded shoppers compare 12-core against 8-core twins on threads. The 7945 leads 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 standard. Vision buffers plus logs should be sized together. Matched pairs are preferred.
PCIe Gen5 lanes serve storage, networking and vision I/O. Fixed splits require manual checks.
Cooling is industrial 65 W with heatsink and flow. No retail cooler ships with embedded supply.
Upgrade paths
AM5 allows embedded moves within the vendor list. Memory and NVMe can also grow. Firmware must support the target.
A working Embedded 7945 serves plants for years.
Frequently asked questions
What socket does the Ryzen Embedded 7945 use?
It uses AM5 on industrial embedded carriers. Vendor lists decide fit.
How fast is the Ryzen Embedded 7945?
Twelve cores and 24 threads at 3.7 GHz base and up to 5.4 GHz boost, with 64 MB of L3 at 65 W.
What memory does the Embedded 7945 support?
DDR5 in two channels with ECC on capable carriers.
Can the Embedded 7945 be upgraded?
Yes, to other embedded Raphael SKUs where listed.
Sources and verification
- AMD Ryzen PRO Desktop QRG PRO 7945 12 cores 5.4GHz pattern (AMD)
- AMD Ryzen 7 PRO 7745 Raphael AM5 specs pattern cache PCIe (AMD)
Facts last checked against these sources on . Page last edited on .