Ryzen 5 8640U vs Pentium 1403
Aggregate performance score
Ryzen 5 8640U outperforms Pentium 1403 by a whopping 1028% based on our aggregate benchmark results.
Primary details
Comparing Pentium 1403 and Ryzen 5 8640U processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2360 | 565 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Server | Laptop |
| Power efficiency | 1.38 | 44.61 |
| Architecture codename | no data | Hawk Point-U (Zen 4) (2023) |
| Release date | 1 April 2012 (12 years ago) | 6 December 2023 (less than a year ago) |
Detailed specifications
Pentium 1403 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 | 2 (Dual-core) | 6 (Hexa-Core) |
| Threads | 2 | 12 |
| Base clock speed | 2.6 GHz | 3.5 GHz |
| Boost clock speed | no data | 4.9 GHz |
| Bus rate | 0 GT/s | no data |
| L1 cache | no data | 64 KB (per core) |
| L2 cache | no data | 1 MB (per core) |
| L3 cache | 5 MB | 16 MB (shared) |
| Chip lithography | 32 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 | - | no data |
| VID voltage range | 0.6V-1.35V | no data |
Compatibility
Information on Pentium 1403 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 | 1 | 1 |
| Socket | no data | FP8 |
| Power consumption (TDP) | 80 Watt | 28 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Pentium 1403 and Ryzen 5 8640U. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® AVX | Ryzen AI, AES, AVX, AVX2, AVX512, FMA3, MMX (+), SHA, SSE, SSE2, SSE3, SSE4.1, SSE4.2, SSE4A, SSSE3 |
| AES-NI | + | + |
| AVX | - | + |
| vPro | + | no data |
| Enhanced SpeedStep (EIST) | + | no data |
| Turbo Boost Technology | - | no data |
| Hyper-Threading Technology | - | no data |
| Idle States | + | no data |
| Thermal Monitoring | + | - |
| Flex Memory Access | + | no data |
| Demand Based Switching | + | no data |
| Precision Boost 2 | no data | + |
Security technologies
Pentium 1403 and Ryzen 5 8640U technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | no data |
| EDB | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Pentium 1403 and Ryzen 5 8640U are enumerated here.
| AMD-V | - | + |
| VT-d | + | no data |
| VT-x | + | no data |
| EPT | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Pentium 1403 and Ryzen 5 8640U. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3-800, DDR3-1066 | DDR5 |
| Maximum memory size | 375 GB | no data |
| Max memory channels | 3 | no data |
| Maximum memory bandwidth | 25 GB/s | no data |
| ECC memory support | + | - |
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 Pentium 1403 and Ryzen 5 8640U.
| PCIe version | 3.0 | 4.0 |
| PCI Express lanes | 24 | 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. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.
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.
Pros & cons summary
| Performance score | 1.17 | 13.20 |
| Recency | 1 April 2012 | 6 December 2023 |
| Physical cores | 2 | 6 |
| Threads | 2 | 12 |
| Chip lithography | 32 nm | 4 nm |
| Power consumption (TDP) | 80 Watt | 28 Watt |
Ryzen 5 8640U has a 1028.2% higher aggregate performance score, an age advantage of 11 years, 200% more physical cores and 500% more threads, a 700% more advanced lithography process, and 185.7% lower power consumption.
The Ryzen 5 8640U is our recommended choice as it beats the Pentium 1403 in performance tests.
Be aware that Pentium 1403 is a server/workstation processor while Ryzen 5 8640U is a notebook one.
Should you still have questions on choice between Pentium 1403 and Ryzen 5 8640U, ask them in Comments section, and we shall answer.
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