Ryzen 7 7840U vs Athlon 64 X2 TK-42
Aggregate performance score
Ryzen 7 7840U outperforms Athlon 64 X2 TK-42 by a whopping 4219% based on our aggregate benchmark results.
Primary details
Comparing Athlon 64 X2 TK-42 and Ryzen 7 7840U processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 3110 | 456 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | 2x AMD Athlon 64 | AMD Phoenix (Zen 4, Ryzen 7040) |
| Power efficiency | 1.71 | 52.89 |
| Designer | AMD | AMD |
| Architecture codename | Tyler (2007−2009) | Phoenix-U (Zen 4) (2023) |
| Release date | 1 November 2009 (15 years ago) | May 2023 (1 year ago) |
Detailed specifications
Athlon 64 X2 TK-42 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 | 1.6 GHz | 5.1 GHz |
| Bus rate | 1600 MHz | no data |
| L1 cache | 0 MB | 64K (per core) |
| L2 cache | 1 MB | 1 MB (per core) |
| L3 cache | no data | 16 MB (shared) |
| Chip lithography | 65 nm | 4 nm |
| Die size | no data | 178 mm2 |
| Maximum core temperature | 95 °C | 100 °C |
| Number of transistors | no data | 25,000 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | + |
Compatibility
Information on Athlon 64 X2 TK-42 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 | Socket S1 | FP8 |
| Power consumption (TDP) | 20 Watt | 28 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Athlon 64 X2 TK-42 and Ryzen 7 7840U. You'll probably need this information if you require some particular technology.
| Instruction set extensions | 86x Enhanced Virus Protection (EVP), MMX, PowerNow, SSE3,-64, Enhanced 3DNow | no data |
| AES-NI | - | + |
| AVX | - | + |
| PowerNow | + | - |
| VirusProtect | + | - |
| Precision Boost 2 | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Athlon 64 X2 TK-42 and Ryzen 7 7840U are enumerated here.
| AMD-V | - | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Athlon 64 X2 TK-42 and Ryzen 7 7840U. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR5-5600 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | AMD Radeon 780M ( - 2700 MHz) |
Peripherals
Specifications and connection of peripherals supported by Athlon 64 X2 TK-42 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.
Combined synthetic benchmark score
This is our combined benchmark performance rating.
Passmark
Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance. Other than that, Passmark measures multi-core performance.
Pros & cons summary
| Performance score | 0.36 | 15.55 |
| Physical cores | 2 | 8 |
| Threads | 2 | 16 |
| Chip lithography | 65 nm | 4 nm |
| Power consumption (TDP) | 20 Watt | 28 Watt |
Athlon 64 X2 TK-42 has 40% lower power consumption.
Ryzen 7 7840U, on the other hand, has a 4219.4% higher aggregate performance score, 300% more physical cores and 700% more threads, and a 1525% more advanced lithography process.
The AMD Ryzen 7 7840U is our recommended choice as it beats the AMD Athlon 64 X2 TK-42 in performance tests.
Other comparisons
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