Processor U300 vs i5-8400
Primary details
Comparing Core i5-8400 and Processor U300 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 1116 | not rated |
| Place by popularity | 68 | not in top-100 |
| Cost-effectiveness evaluation | 4.84 | no data |
| Market segment | Desktop processor | Laptop |
| Series | Intel Core i5 | Intel Raptor Lake-U |
| Power efficiency | 8.47 | no data |
| Architecture codename | Coffee Lake-S (2017−2018) | Raptor Lake-U (2023) |
| Release date | 5 October 2017 (7 years ago) | 4 January 2023 (1 year ago) |
| Launch price (MSRP) | $182 | $193 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Core i5-8400 and Processor U300 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 | 6 (Hexa-Core) | 5 (Penta-Core) |
| Threads | 6 | 6 |
| Base clock speed | 2.8 GHz | 1.2 GHz |
| Boost clock speed | 4 GHz | 4.4 GHz |
| Bus type | DMI 3.0 | no data |
| Bus rate | 4 × 8 GT/s | 55 MHz |
| Multiplier | 28 | no data |
| L1 cache | 64K (per core) | 80K (per core) |
| L2 cache | 256K (per core) | 1.25 MB (per core) |
| L3 cache | 9 MB (shared) | 8 MB (shared) |
| Chip lithography | 14 nm | 10 nm |
| Die size | 149 mm2 | no data |
| Maximum core temperature | 100 °C | 100 °C |
| Maximum case temperature (TCase) | 72 °C | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | + | + |
Compatibility
Information on Core i5-8400 and Processor U300 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 (Uniprocessor) | 1 |
| Socket | FCLGA1151 | Intel BGA 1744 |
| Power consumption (TDP) | 65 Watt | 15 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i5-8400 and Processor U300. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2 | no data |
| AES-NI | + | + |
| AVX | + | + |
| vPro | + | no data |
| Enhanced SpeedStep (EIST) | + | + |
| Turbo Boost Technology | 2.0 | no data |
| Hyper-Threading Technology | - | no data |
| TSX | - | + |
| Idle States | + | no data |
| Thermal Monitoring | + | - |
Security technologies
Core i5-8400 and Processor U300 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | - | + |
| EDB | + | no data |
| Secure Key | + | no data |
| MPX | + | - |
| Identity Protection | + | - |
| SGX | Yes with Intel® ME | no data |
| OS Guard | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Core i5-8400 and Processor U300 are enumerated here.
| AMD-V | + | - |
| VT-d | + | + |
| VT-x | + | + |
| EPT | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core i5-8400 and Processor U300. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3, DDR4 | DDR4, DDR5 Dual-channel |
| Maximum memory size | 128 GB | no data |
| Max memory channels | 2 | no data |
| Maximum memory bandwidth | 42.671 GB/s | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card Compare | Intel UHD Graphics 630 | Intel UHD Graphics Xe G4 48EUs |
| Max video memory | 64 GB | no data |
| Quick Sync Video | + | - |
| Clear Video | + | no data |
| Clear Video HD | + | no data |
| Graphics max frequency | 1.05 GHz | no data |
| InTru 3D | + | no data |
Graphics interfaces
Available interfaces and connections of Core i5-8400 and Processor U300 integrated GPUs.
| Number of displays supported | 3 | no data |
Graphics image quality
Maximum display resolutions supported by Core i5-8400 and Processor U300 integrated GPUs, including resolutions over different interfaces.
| 4K resolution support | + | no data |
| Max resolution over HDMI 1.4 | 4096x2304@24Hz | no data |
| Max resolution over eDP | 4096x2304@60Hz | no data |
| Max resolution over DisplayPort | 4096x2304@60Hz | no data |
Graphics API support
APIs supported by Core i5-8400 and Processor U300 integrated GPUs, sometimes API versions are included.
| DirectX | 12 | no data |
| OpenGL | 4.5 | no data |
Peripherals
Specifications and connection of peripherals supported by Core i5-8400 and Processor U300.
| PCIe version | 3.0 | 4.0 |
| PCI Express lanes | 16 | 8 |
Pros & cons summary
| Integrated graphics card | 3.09 | 4.55 |
| Recency | 5 October 2017 | 4 January 2023 |
| Physical cores | 6 | 5 |
| Chip lithography | 14 nm | 10 nm |
| Power consumption (TDP) | 65 Watt | 15 Watt |
i5-8400 has 20% more physical cores.
Processor U300, on the other hand, has 47.2% faster integrated GPU, an age advantage of 5 years, a 40% more advanced lithography process, and 333.3% lower power consumption.
We couldn't decide between Core i5-8400 and Processor U300. We've got no test results to judge.
Note that Core i5-8400 is a desktop processor while Processor U300 is a notebook one.
Should you still have questions on choice between Core i5-8400 and Processor U300, ask them in Comments section, and we shall answer.
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