Ryzen Embedded 7645 vs Phenom II X4 P920
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2863 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Desktop processor |
| Series | 4x AMD Phenom II | no data |
| Designer | AMD | AMD |
| Manufacturer | no data | TSMC |
| Architecture codename | Champlain (2010−2011) | Raphael (2023−2025) |
| Release date | 12 May 2010 (15 years ago) | 14 November 2023 (2 years ago) |
Detailed specifications
Phenom II X4 P920 and Ryzen Embedded 7645 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 | no data | 3.8 GHz |
| Boost clock speed | 1.6 GHz | 5.1 GHz |
| Bus rate | 3600 MHz | no data |
| L1 cache | 512 KB | 64 KB (per core) |
| L2 cache | 2 MB | 1 MB (per core) |
| L3 cache | no data | 32 MB (shared) |
| Chip lithography | 45 nm | 5 nm |
| Die size | no data | 71 mm2 |
| Number of transistors | no data | 6,570 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | no data |
Compatibility
Information on Phenom II X4 P920 and Ryzen Embedded 7645 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 | no data | 1 |
| Socket | S1 (S1g4) | AM5 |
| Power consumption (TDP) | 2 MB | 65 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Phenom II X4 P920 and Ryzen Embedded 7645. You'll probably need this information if you require some particular technology.
| Instruction set extensions | MMX, 3DNow, SSE (1,2,3,4A), AMD64, Enhanced Virus Protection, Virtualization, HyperTransport 3.0 | no data |
| AES-NI | - | + |
| AVX | - | + |
| VirusProtect | + | - |
| Precision Boost 2 | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Phenom II X4 P920 and Ryzen Embedded 7645 are enumerated here.
| AMD-V | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Phenom II X4 P920 and Ryzen Embedded 7645. 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 | no data | AMD Radeon Graphics |
Peripherals
Specifications and connection of peripherals supported by Phenom II X4 P920 and Ryzen Embedded 7645.
| PCIe version | no data | 5.0 |
| PCI Express lanes | no data | 24 |
Pros & cons summary
| Recency | 12 May 2010 | 14 November 2023 |
| Physical cores | 4 | 6 |
| Threads | 4 | 12 |
| Chip lithography | 45 nm | 5 nm |
| Power consumption (TDP) | 2 Watt | 65 Watt |
Phenom II X4 P920 has 3150% lower power consumption.
Ryzen Embedded 7645, on the other hand, has an age advantage of 13 years, 50% more physical cores and 200% more threads, and a 800% more advanced lithography process.
We couldn't decide between AMD Phenom II X4 P920 and AMD Ryzen Embedded 7645. We've got no test results to judge.
Be aware that Phenom II X4 P920 is a notebook processor while Ryzen Embedded 7645 is a desktop one.
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