Ryzen 7 8840HX vs Ryzen Embedded 8645HS
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Server | Laptop |
| Designer | AMD | AMD |
| Manufacturer | TSMC | TSMC |
| Architecture codename | Hawk Point (2024−2025) | Dragon Range (2025) |
| Release date | 2 April 2024 (1 year ago) | 23 April 2025 (recently) |
Detailed specifications
Ryzen Embedded 8645HS and Ryzen 7 8840HX basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.
| Physical cores | 6 (Hexa-Core) | 12 (Dodeca-Core) |
| Threads | 12 | 24 |
| Base clock speed | 4.3 GHz | 2.9 GHz |
| Boost clock speed | 5 GHz | 5.1 GHz |
| L1 cache | 64 KB (per core) | 64 KB (per core) |
| L2 cache | 1 MB (per core) | 1 MB (per core) |
| L3 cache | 16 MB (shared) | 64 MB (shared) |
| Chip lithography | 4 nm | 5 nm |
| Die size | 178 mm2 | 2x 71 mm2 |
| Number of transistors | 25,000 million | 13,140 million |
| 64 bit support | + | + |
| Unlocked multiplier | - | + |
Compatibility
Information on Ryzen Embedded 8645HS and Ryzen 7 8840HX compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.
| Number of CPUs in a configuration | 1 | 1 |
| Socket | FP8 | FL1 |
| Power consumption (TDP) | 45 Watt | 55 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen Embedded 8645HS and Ryzen 7 8840HX. You'll probably need this information if you require some particular technology.
| AES-NI | + | + |
| AVX | + | + |
| Precision Boost 2 | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Ryzen Embedded 8645HS and Ryzen 7 8840HX are enumerated here.
| AMD-V | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Ryzen Embedded 8645HS and Ryzen 7 8840HX. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR5 | DDR5 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | AMD Radeon 760M | AMD Radeon 610M |
Peripherals
Specifications and connection of peripherals supported by Ryzen Embedded 8645HS and Ryzen 7 8840HX.
| PCIe version | 4.0 | 5.0 |
| PCI Express lanes | 20 | 28 |
Pros & cons summary
| Integrated graphics card | 13.81 | 2.70 |
| Recency | 2 April 2024 | 23 April 2025 |
| Physical cores | 6 | 12 |
| Threads | 12 | 24 |
| Chip lithography | 4 nm | 5 nm |
| Power consumption (TDP) | 45 Watt | 55 Watt |
Ryzen Embedded 8645HS has 411.5% faster integrated GPU, a 25% more advanced lithography process, and 22.2% lower power consumption.
Ryzen 7 8840HX, on the other hand, has an age advantage of 1 year, and 100% more physical cores and 100% more threads.
We couldn't decide between AMD Ryzen Embedded 8645HS and AMD Ryzen 7 8840HX. We've got no test results to judge.
Be aware that Ryzen Embedded 8645HS is a server/workstation processor while Ryzen 7 8840HX is a notebook one.
Other comparisons
We've compiled a selection of CPU comparisons, ranging from closely matched processors to other comparisons that may be of interest.
