Ryzen 7 7840U vs Phenom II X4 X940 BE
Primary details
Comparing Phenom II X4 X940 BE and Ryzen 7 7840U processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | 427 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | 4x AMD Phenom II | AMD Phoenix (Zen 4, Ryzen 7040) |
| Power efficiency | no data | 53.11 |
| Architecture codename | Champlain (2010−2011) | Phoenix-U (Zen 4) (2023) |
| Release date | 1 January 2011 (13 years ago) | May 2023 (1 year ago) |
Detailed specifications
Phenom II X4 X940 BE and Ryzen 7 7840U 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) | 8 (Octa-Core) |
| Threads | 4 | 16 |
| Base clock speed | no data | 3.3 GHz |
| Boost clock speed | 2.4 GHz | 5.1 GHz |
| Bus rate | 3600 MHz | no data |
| L1 cache | 256 KB | 64K (per core) |
| L2 cache | 2 MB | 1 MB (per core) |
| L3 cache | no data | 16 MB (shared) |
| Chip lithography | 45 nm | 4 nm |
| Die size | no data | 178 mm2 |
| Maximum core temperature | no data | 100 °C |
| Number of transistors | no data | 25,000 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | + |
Compatibility
Information on Phenom II X4 X940 BE and Ryzen 7 7840U 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 | FP8 |
| Power consumption (TDP) | 45 Watt | 28 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Phenom II X4 X940 BE and Ryzen 7 7840U. You'll probably need this information if you require some particular technology.
| Instruction set extensions | HyperTransport 3.0, Enhanced Virus Protection, AMD64, SSE4A, unlocked multiplier | no data |
| AES-NI | - | + |
| AVX | - | + |
| VirusProtect | + | - |
| Precision Boost 2 | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Phenom II X4 X940 BE and Ryzen 7 7840U are enumerated here.
| AMD-V | - | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Phenom II X4 X940 BE and Ryzen 7 7840U. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR5-5600 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | AMD Radeon 780M |
Peripherals
Specifications and connection of peripherals supported by Phenom II X4 X940 BE and Ryzen 7 7840U.
| PCIe version | no data | 4.0 |
| PCI Express lanes | no data | 20 |
Pros & cons summary
| Physical cores | 4 | 8 |
| Threads | 4 | 16 |
| Chip lithography | 45 nm | 4 nm |
| Power consumption (TDP) | 45 Watt | 28 Watt |
Ryzen 7 7840U has 100% more physical cores and 300% more threads, a 1025% more advanced lithography process, and 60.7% lower power consumption.
We couldn't decide between Phenom II X4 X940 BE and Ryzen 7 7840U. We've got no test results to judge.
Should you still have questions on choice between Phenom II X4 X940 BE and Ryzen 7 7840U, ask them in Comments section, and we shall answer.
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