Ryzen 7 7840U vs Phenom II X2 N660
Primary details
Comparing Phenom II X2 N660 and Ryzen 7 7840U processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | 426 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | 2x AMD Phenom II | AMD Phoenix (Zen 4, Ryzen 7040) |
| Power efficiency | no data | 53.15 |
| 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 X2 N660 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 | 2 (Dual-core) | 8 (Octa-Core) |
| Threads | 2 | 16 |
| Base clock speed | no data | 3.3 GHz |
| Boost clock speed | 3 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 X2 N660 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) | 35 Watt | 28 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Phenom II X2 N660 and Ryzen 7 7840U. You'll probably need this information if you require some particular technology.
| Instruction set extensions | HyperTransport 3.0, SSE4A, AMD64, Enhanced Virus Protection, Vurtualization | no data |
| AES-NI | - | + |
| AVX | - | + |
| VirusProtect | + | - |
| Precision Boost 2 | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Phenom II X2 N660 and Ryzen 7 7840U are enumerated here.
| AMD-V | - | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Phenom II X2 N660 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 X2 N660 and Ryzen 7 7840U.
| PCIe version | no data | 4.0 |
| PCI Express lanes | no data | 20 |
Synthetic benchmark performance
Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.
GeekBench 5 Single-Core
GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.
GeekBench 5 Multi-Core
GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.
Pros & cons summary
| Physical cores | 2 | 8 |
| Threads | 2 | 16 |
| Chip lithography | 45 nm | 4 nm |
| Power consumption (TDP) | 35 Watt | 28 Watt |
Ryzen 7 7840U has 300% more physical cores and 700% more threads, a 1025% more advanced lithography process, and 25% lower power consumption.
We couldn't decide between Phenom II X2 N660 and Ryzen 7 7840U. We've got no test results to judge.
Should you still have questions on choice between Phenom II X2 N660 and Ryzen 7 7840U, ask them in Comments section, and we shall answer.
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