Ryzen 5 8400F vs Pentium M 755
Primary details
Comparing Pentium M 755 and Ryzen 5 8400F processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | 456 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 63.60 |
| Market segment | Laptop | Desktop processor |
| Series | Pentium M | no data |
| Power efficiency | no data | 22.07 |
| Architecture codename | Dothan (2004−2005) | Phoenix (2023−2024) |
| Release date | 10 May 2004 (20 years ago) | 1 April 2024 (less than a year ago) |
| Launch price (MSRP) | no data | $170 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Pentium M 755 and Ryzen 5 8400F 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 | 2 GHz | 4.2 GHz |
| Boost clock speed | 2 GHz | 4.7 GHz |
| Bus rate | 400 MHz | no data |
| L1 cache | 32 KB | 64 KB (per core) |
| L2 cache | 2 MB | 1 MB (per core) |
| L3 cache | 0 KB | 16 MB (shared) |
| Chip lithography | 90 nm | 4 nm |
| Die size | 87 mm2 | 178 mm2 |
| Maximum core temperature | 100 °C | no data |
| Number of transistors | 144 million | 25,000 million |
| 64 bit support | - | + |
| Windows 11 compatibility | - | no data |
| Unlocked multiplier | - | + |
| VID voltage range | 0.988-1.34V | no data |
Compatibility
Information on Pentium M 755 and Ryzen 5 8400F 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 | PPGA478, H-PBGA479 | AM5 |
| Power consumption (TDP) | 7.5 Watt | 65 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Pentium M 755 and Ryzen 5 8400F. You'll probably need this information if you require some particular technology.
| AES-NI | - | + |
| AVX | - | + |
| Enhanced SpeedStep (EIST) | + | no data |
| Turbo Boost Technology | - | no data |
| Hyper-Threading Technology | - | no data |
| Idle States | - | no data |
| Demand Based Switching | - | no data |
| PAE | 32 Bit | no data |
| FSB parity | - | no data |
| Precision Boost 2 | no data | + |
Security technologies
Pentium M 755 and Ryzen 5 8400F 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 M 755 and Ryzen 5 8400F are enumerated here.
| AMD-V | - | + |
| VT-x | - | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Pentium M 755 and Ryzen 5 8400F. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR2 | DDR5 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | On certain motherboards (Chipset feature) | N/A |
Peripherals
Specifications and connection of peripherals supported by Pentium M 755 and Ryzen 5 8400F.
| PCIe version | no data | 4.0 |
| PCI Express lanes | no data | 20 |
Pros & cons summary
| Recency | 10 May 2004 | 1 April 2024 |
| Physical cores | 1 | 6 |
| Threads | 1 | 12 |
| Chip lithography | 90 nm | 4 nm |
| Power consumption (TDP) | 7 Watt | 65 Watt |
Pentium M 755 has 828.6% lower power consumption.
Ryzen 5 8400F, on the other hand, has an age advantage of 19 years, 500% more physical cores and 1100% more threads, and a 2150% more advanced lithography process.
We couldn't decide between Pentium M 755 and Ryzen 5 8400F. We've got no test results to judge.
Be aware that Pentium M 755 is a notebook processor while Ryzen 5 8400F is a desktop one.
Should you still have questions on choice between Pentium M 755 and Ryzen 5 8400F, ask them in Comments section, and we shall answer.
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