Ryzen Embedded 7945 vs Athlon II X4 740
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2274 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Desktop processor |
| Series | Athlon | no data |
| Designer | AMD | AMD |
| Manufacturer | no data | TSMC |
| Architecture codename | Piledriver | Raphael (2023−2025) |
| Release date | 1 October 2012 (12 years ago) | 14 November 2023 (1 year ago) |
| Launch price (MSRP) | $71 | no data |
Detailed specifications
Athlon II X4 740 and Ryzen Embedded 7945 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) | 12 (Dodeca-Core) |
| Threads | 4 | 24 |
| Base clock speed | 3.2 GHz | 3.7 GHz |
| Boost clock speed | 3.7 GHz | 5.4 GHz |
| L1 cache | 192 KB | 64 KB (per core) |
| L2 cache | 4 MB | 1 MB (per core) |
| L3 cache | no data | 64 MB (shared) |
| Chip lithography | 32 nm | 5 nm |
| Die size | no data | 2x 71 mm2 |
| Maximum case temperature (TCase) | no data | 47 °C |
| Number of transistors | no data | 13,140 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | no data |
Compatibility
Information on Athlon II X4 740 and Ryzen Embedded 7945 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 | Socket FM2 | AM5 |
| Power consumption (TDP) | 65 watt | 65 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Athlon II X4 740 and Ryzen Embedded 7945. 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 Athlon II X4 740 and Ryzen Embedded 7945 are enumerated here.
| AMD-V | - | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Athlon II X4 740 and Ryzen Embedded 7945. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | 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 Athlon II X4 740 and Ryzen Embedded 7945.
| PCIe version | no data | 5.0 |
| PCI Express lanes | no data | 24 |
Pros & cons summary
| Physical cores | 4 | 12 |
| Threads | 4 | 24 |
| Chip lithography | 32 nm | 5 nm |
Ryzen Embedded 7945 has 200% more physical cores and 500% more threads, and a 540% more advanced lithography process.
We couldn't decide between AMD Athlon II X4 740 and AMD Ryzen Embedded 7945. We've got no test results to judge.
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