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Ryzen 5 8640U vs Opteron 842
Primary details
Comparing Opteron 842 and Ryzen 5 8640U processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance ranking | not rated | 544 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Server | Laptop |
| Architecture codename | SledgeHammer (2003−2005) | Hawk Point-U (Zen 4) (2023) |
| Release date | June 2003 (21 year ago) | 6 December 2023 (less than a year ago) |
Detailed specifications
Opteron 842 and Ryzen 5 8640U 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 | 1 (Single-Core) | 6 (Hexa-Core) |
| Threads | 1 | 12 |
| Base clock speed | no data | 3.5 GHz |
| Boost clock speed | 1.6 GHz | 4.9 GHz |
| L1 cache | 128 KB | 384 KB |
| L2 cache | 1 MB | 6 MB |
| L3 cache | 0 KB | 16 MB |
| Chip lithography | 130 nm | 4 nm |
| Die size | 193 mm2 | 178 mm2 |
| Maximum core temperature | no data | 100 °C |
| Number of transistors | 106 million | 25,000 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | no data |
Compatibility
Information on Opteron 842 and Ryzen 5 8640U 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 | 8 | 1 |
| Socket | 940 | FP7/FP7r2/FP8 |
| Power consumption (TDP) | 85 Watt | 28 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Opteron 842 and Ryzen 5 8640U. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | Ryzen AI, AES, AVX, AVX2, AVX512, FMA3, MMX (+), SHA, SSE, SSE2, SSE3, SSE4.1, SSE4.2, SSE4A, SSSE3 |
| AES-NI | - | + |
| AVX | - | + |
| Precision Boost 2 | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Opteron 842 and Ryzen 5 8640U are enumerated here.
| AMD-V | - | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Opteron 842 and Ryzen 5 8640U. 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 760M |
Peripherals
Specifications and connection of peripherals supported by Opteron 842 and Ryzen 5 8640U.
| PCIe version | no data | 4.0 |
| PCI Express lanes | no data | 20 |
Pros & cons summary
| Physical cores | 1 | 6 |
| Threads | 1 | 12 |
| Chip lithography | 130 nm | 4 nm |
| Power consumption (TDP) | 85 Watt | 28 Watt |
Ryzen 5 8640U has 500% more physical cores and 1100% more threads, a 3150% more advanced lithography process, and 203.6% lower power consumption.
We couldn't decide between Opteron 842 and Ryzen 5 8640U. We've got no test results to judge.
Be aware that Opteron 842 is a server/workstation processor while Ryzen 5 8640U is a notebook one.
Should you still have questions on choice between Opteron 842 and Ryzen 5 8640U, ask them in Comments section, and we shall answer.
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