i3-2394M vs i5-8400H
Primary details
Comparing Core i5-8400H and Core i3-2394M processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 1255 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | Intel Core i5 | Intel Core i3 |
| Power efficiency | 10.14 | no data |
| Architecture codename | Coffee Lake-H (2018−2019) | Sandy Bridge (2011−2013) |
| Release date | 2 April 2018 (6 years ago) | no data |
| Launch price (MSRP) | $250 | $50 |
Detailed specifications
Core i5-8400H and Core i3-2394M 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) | 2 (Dual-core) |
| Threads | 8 | 4 |
| Base clock speed | 2.5 GHz | no data |
| Boost clock speed | 4.2 GHz | 2.6 GHz |
| Bus type | DMI 3.0 | DMI 2.0 |
| Bus rate | 4 × 8 GT/s | 4 × 5 GT/s |
| Multiplier | 25 | 26 |
| L1 cache | 64K (per core) | 128 KB |
| L2 cache | 256K (per core) | 512 KB |
| L3 cache | 12 MB (shared) | 4 MB |
| Chip lithography | 14 nm | 32 nm |
| Die size | 126 mm2 | 149 mm2 |
| Maximum core temperature | 100 °C | no data |
| Maximum case temperature (TCase) | 72 °C | no data |
| Number of transistors | no data | 624 Million |
| 64 bit support | + | + |
| Windows 11 compatibility | + | - |
Compatibility
Information on Core i5-8400H and Core i3-2394M 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 (Uniprocessor) |
| Socket | FCBGA1440 | Socket G2 |
| Power consumption (TDP) | 45 Watt | 35 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i5-8400H and Core i3-2394M. 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 | + | - |
| FMA | - | + |
| AVX | + | + |
| vPro | + | no data |
| Enhanced SpeedStep (EIST) | + | + |
| Speed Shift | + | no data |
| My WiFi | + | no data |
| Turbo Boost Technology | 2.0 | no data |
| Hyper-Threading Technology | + | no data |
| TSX | + | - |
| Idle States | + | no data |
| Thermal Monitoring | + | - |
| Flex Memory Access | + | no data |
| SIPP | + | - |
Security technologies
Core i5-8400H and Core i3-2394M technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | no data |
| 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 i5-8400H and Core i3-2394M are enumerated here.
| AMD-V | + | - |
| VT-d | + | no data |
| VT-x | + | + |
| EPT | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core i5-8400H and Core i3-2394M. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4 | DDR3-1333 |
| Maximum memory size | 64 GB | 16 GB |
| Max memory channels | 2 | 2 |
| Maximum memory bandwidth | 42.671 GB/s | 21.335 GB/s |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card Compare | Intel UHD Graphics 630 | Intel HD Graphics 3000 |
| Max video memory | 64 GB | no data |
| Quick Sync Video | + | - |
| Clear Video | + | no data |
| Clear Video HD | + | no data |
| Graphics max frequency | 1.1 GHz | no data |
| InTru 3D | + | no data |
Graphics interfaces
Available interfaces and connections of Core i5-8400H and Core i3-2394M integrated GPUs.
| Number of displays supported | 3 | no data |
| eDP | + | no data |
| DisplayPort | + | - |
| HDMI | + | - |
| DVI | + | no data |
Graphics image quality
Maximum display resolutions supported by Core i5-8400H and Core i3-2394M integrated GPUs, including resolutions over different interfaces.
| 4K resolution support | + | no data |
| Max resolution over HDMI 1.4 | 4096x2304@30Hz | no data |
| Max resolution over eDP | 4096x2304@60Hz | no data |
| Max resolution over DisplayPort | 4096x2304@60Hz | no data |
| Max resolution over VGA | N/A | no data |
Graphics API support
APIs supported by Core i5-8400H and Core i3-2394M 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 i5-8400H and Core i3-2394M.
| PCIe version | 3.0 | no data |
| PCI Express lanes | 16 | no data |
Pros & cons summary
| Integrated graphics card | 3.10 | 0.66 |
| Physical cores | 4 | 2 |
| Threads | 8 | 4 |
| Chip lithography | 14 nm | 32 nm |
| Power consumption (TDP) | 45 Watt | 35 Watt |
i5-8400H has 369.7% faster integrated GPU, 100% more physical cores and 100% more threads, and a 128.6% more advanced lithography process.
i3-2394M, on the other hand, has 28.6% lower power consumption.
We couldn't decide between Core i5-8400H and Core i3-2394M. We've got no test results to judge.
Should you still have questions on choice between Core i5-8400H and Core i3-2394M, ask them in Comments section, and we shall answer.
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