Ryzen 5 8400F vs Pentium B915C
Primary details
Comparing Pentium B915C and Ryzen 5 8400F processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | 466 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 59.63 |
| Market segment | Laptop | Desktop processor |
| Power efficiency | no data | 21.87 |
| Architecture codename | Sandy Bridge (2011−2013) | Phoenix (2023−2024) |
| Release date | 1 May 2012 (12 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 B915C 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 | 2 (Dual-core) | 6 (Hexa-Core) |
| Threads | 2 | 12 |
| Base clock speed | no data | 4.2 GHz |
| Boost clock speed | 1.5 GHz | 4.7 GHz |
| L1 cache | 64 KB (per core) | 64 KB (per core) |
| L2 cache | 256 KB (per core) | 1 MB (per core) |
| L3 cache | 2048 KB (shared) | 16 MB (shared) |
| Chip lithography | 32 nm | 4 nm |
| Die size | 131 mm2 | 178 mm2 |
| Number of transistors | 504 million | 25,000 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | no data |
| Unlocked multiplier | - | + |
Compatibility
Information on Pentium B915C 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 | G2 (988B) | AM5 |
| Power consumption (TDP) | 35 Watt | 65 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Pentium B915C and Ryzen 5 8400F. You'll probably need this information if you require some particular technology.
| AES-NI | - | + |
| AVX | - | + |
| Enhanced SpeedStep (EIST) | + | no data |
| Precision Boost 2 | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Pentium B915C and Ryzen 5 8400F are enumerated here.
| AMD-V | - | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Pentium B915C and Ryzen 5 8400F. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR5 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel HD (Sandy Bridge) | N/A |
Peripherals
Specifications and connection of peripherals supported by Pentium B915C and Ryzen 5 8400F.
| PCIe version | no data | 4.0 |
| PCI Express lanes | no data | 20 |
Pros & cons summary
| Recency | 1 May 2012 | 1 April 2024 |
| Physical cores | 2 | 6 |
| Threads | 2 | 12 |
| Chip lithography | 32 nm | 4 nm |
| Power consumption (TDP) | 35 Watt | 65 Watt |
Pentium B915C has 85.7% lower power consumption.
Ryzen 5 8400F, on the other hand, has an age advantage of 11 years, 200% more physical cores and 500% more threads, and a 700% more advanced lithography process.
We couldn't decide between Pentium B915C and Ryzen 5 8400F. We've got no test results to judge.
Be aware that Pentium B915C is a notebook processor while Ryzen 5 8400F is a desktop one.
Should you still have questions on choice between Pentium B915C and Ryzen 5 8400F, ask them in Comments section, and we shall answer.
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