Ryzen Embedded 8645HS vs A8-3870K
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2425 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Server |
| Power efficiency | 0.57 | no data |
| Designer | AMD | AMD |
| Manufacturer | no data | TSMC |
| Architecture codename | Llano (2011−2012) | Hawk Point (2024−2025) |
| Release date | 20 December 2011 (13 years ago) | 2 April 2024 (1 year ago) |
Detailed specifications
A8-3870K and Ryzen Embedded 8645HS 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 | 4 (Quad-Core) | 6 (Hexa-Core) |
| Threads | 4 | 12 |
| Base clock speed | 3 GHz | 4.3 GHz |
| Boost clock speed | 3 GHz | 5 GHz |
| L1 cache | 128 KB (per core) | 64 KB (per core) |
| L2 cache | 1 MB (per core) | 1 MB (per core) |
| L3 cache | 0 KB | 16 MB (shared) |
| Chip lithography | 32 nm | 4 nm |
| Die size | 228 mm2 | 178 mm2 |
| Number of transistors | 1,178 million | 25,000 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | no data |
| Unlocked multiplier | + | - |
Compatibility
Information on A8-3870K and Ryzen Embedded 8645HS 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 | FM1 | FP8 |
| Power consumption (TDP) | 100 Watt | 45 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by A8-3870K and Ryzen Embedded 8645HS. You'll probably need this information if you require some particular technology.
| AES-NI | - | + |
| AVX | - | + |
| Precision Boost 2 | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by A8-3870K and Ryzen Embedded 8645HS are enumerated here.
| AMD-V | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by A8-3870K and Ryzen Embedded 8645HS. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR5 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | AMD Radeon HD 6550D | AMD Radeon 760M |
Peripherals
Specifications and connection of peripherals supported by A8-3870K and Ryzen Embedded 8645HS.
| PCIe version | no data | 4.0 |
| PCI Express lanes | no data | 20 |
Pros & cons summary
| Integrated graphics card | 0.96 | 13.04 |
| Recency | 20 December 2011 | 2 April 2024 |
| Physical cores | 4 | 6 |
| Threads | 4 | 12 |
| Chip lithography | 32 nm | 4 nm |
| Power consumption (TDP) | 100 Watt | 45 Watt |
Ryzen Embedded 8645HS has 1258.3% faster integrated GPU, an age advantage of 12 years, 50% more physical cores and 200% more threads, a 700% more advanced lithography process, and 122.2% lower power consumption.
We couldn't decide between AMD A8-3870K and AMD Ryzen Embedded 8645HS. We've got no test results to judge.
Note that A8-3870K is a desktop processor while Ryzen Embedded 8645HS is a server/workstation one.
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