Ryzen Embedded 7645 vs Atom D2550
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 3460 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Desktop processor |
| Series | Intel Atom | no data |
| Power efficiency | 1.01 | no data |
| Designer | Intel | AMD |
| Manufacturer | Intel | TSMC |
| Architecture codename | Cedarview (2011−2012) | Raphael (2023−2025) |
| Release date | 1 November 2011 (14 years ago) | 14 November 2023 (2 years ago) |
Detailed specifications
Basic parameters of Atom D2550 and Ryzen Embedded 7645: 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 | 2 (Dual-core) | 6 (Hexa-Core) |
| Threads | 4 | 12 |
| Base clock speed | 1.86 GHz | 3.8 GHz |
| Boost clock speed | 1.87 GHz | 5.1 GHz |
| L1 cache | 64 KB (per core) | 64 KB (per core) |
| L2 cache | 512K (per core) | 1 MB (per core) |
| L3 cache | 0 KB | 32 MB (shared) |
| Chip lithography | 32 nm | 5 nm |
| Die size | 66 mm2 | 71 mm2 |
| Maximum core temperature | 100 °C | no data |
| Number of transistors | 176 million | 6,570 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | no data |
Compatibility
Information on Atom D2550 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 | 1 | 1 |
| Socket | FCBGA559 | AM5 |
| Power consumption (TDP) | 10 Watt | 65 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Atom D2550 and Ryzen Embedded 7645. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE2, Intel® SSE3, Intel® SSSE3 | no data |
| AES-NI | - | + |
| AVX | - | + |
| Enhanced SpeedStep (EIST) | - | no data |
| Turbo Boost Technology | - | no data |
| Hyper-Threading Technology | + | no data |
| PAE | 36 Bit | no data |
| Precision Boost 2 | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Atom D2550 and Ryzen Embedded 7645 are enumerated here.
| AMD-V | - | + |
| VT-d | - | no data |
| VT-x | - | no data |
| VT-i | - | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Atom D2550 and Ryzen Embedded 7645. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR5 |
| Maximum memory size | 4 GB | no data |
| Max memory channels | 1 | no data |
| Maximum memory bandwidth | 6.4 GB/s | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel Graphics Media Accelerator (GMA) 3650 (640 MHz) | AMD Radeon Graphics |
Graphics interfaces
Available interfaces and connections of Atom D2550 and Ryzen Embedded 7645 integrated GPUs.
| Number of displays supported | 2 | no data |
Peripherals
Specifications and connection of peripherals supported by Atom D2550 and Ryzen Embedded 7645.
| PCIe version | no data | 5.0 |
| PCI Express lanes | 4 | 24 |
Pros & cons summary
| Recency | 1 November 2011 | 14 November 2023 |
| Physical cores | 2 | 6 |
| Threads | 4 | 12 |
| Chip lithography | 32 nm | 5 nm |
| Power consumption (TDP) | 10 Watt | 65 Watt |
Atom D2550 has 550% lower power consumption.
Ryzen Embedded 7645, on the other hand, has an age advantage of 12 years, 200% more physical cores and 200% more threads, and a 540% more advanced lithography process.
We couldn't decide between Intel Atom D2550 and AMD Ryzen Embedded 7645. We've got no test results to judge.
Be aware that Atom D2550 is a notebook processor while Ryzen Embedded 7645 is a desktop one.
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