Core i3-9350K vs Core i5-9400H
Aggregate performance score
i5-9400H outperforms i3-9350K by a minimal 3% based on our aggregate benchmark results.
Primary details
Comparing Core i5-9400H and Core i3-9350K processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance ranking | 1182 | 1196 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Desktop processor |
| Series | Intel Core i5 | no data |
| Architecture codename | Coffee Lake-H (2018−2019) | Coffee Lake (2017−2019) |
| Release date | 23 April 2019 (5 years ago) | 23 April 2019 (5 years ago) |
Detailed specifications
Core i5-9400H and Core i3-9350K 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 | 4 (Quad-Core) | 4 (Quad-Core) |
| Threads | 8 | 4 |
| Base clock speed | no data | 4 GHz |
| Boost clock speed | 2.5 GHz | 4.6 GHz |
| Bus type | DMI 3.0 | no data |
| Bus rate | 4 × 8 GT/s | no data |
| Multiplier | 25 | no data |
| L1 cache | 256 KB | 64K (per core) |
| L2 cache | 1 MB | 256K (per core) |
| L3 cache | 8 MB | 6 MB (shared) |
| Chip lithography | 14 nm | 14 nm |
| Die size | 126 mm2 | no data |
| Maximum case temperature (TCase) | no data | 72 °C |
| 64 bit support | + | + |
| Windows 11 compatibility | + | + |
| Unlocked multiplier | No | Yes |
Compatibility
Information on Core i5-9400H and Core i3-9350K 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 | FCBGA1440 | 1151 |
| Power consumption (TDP) | 45 Watt | 91 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i5-9400H and Core i3-9350K. You'll probably need this information if you require some particular technology.
| AES-NI | + | + |
| AVX | + | + |
| vPro | + | no data |
| Enhanced SpeedStep (EIST) | + | + |
| Hyper-Threading Technology | + | no data |
| TSX | + | + |
| SIPP | + | no data |
Security technologies
Core i5-9400H and Core i3-9350K technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Core i5-9400H and Core i3-9350K are enumerated here.
| AMD-V | + | no data |
| VT-d | + | + |
| VT-x | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core i5-9400H and Core i3-9350K. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4 | DDR4 Dual-channel |
| Maximum memory size | 64 GB | no data |
| Max memory channels | 2 | no data |
| Maximum memory bandwidth | 42.671 GB/s | 37.5 GB/s |
| ECC memory support | - | + |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel UHD Graphics 630 | UHD 630 |
Peripherals
Specifications and connection of peripherals supported by Core i5-9400H and Core i3-9350K.
| PCIe version | no data | 3.0 |
| PCI Express lanes | 16 | 16 |
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 | 5.11 | 4.98 |
| Threads | 8 | 4 |
| Power consumption (TDP) | 45 Watt | 91 Watt |
i5-9400H has a 2.6% higher aggregate performance score, 100% more threads, and 102.2% lower power consumption.
Given the minimal performance differences, no clear winner can be declared between Core i5-9400H and Core i3-9350K.
Be aware that Core i5-9400H is a notebook processor while Core i3-9350K is a desktop one.
Should you still have questions on choice between Core i5-9400H and Core i3-9350K, ask them in Comments section, and we shall answer.
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