Ultra 5 238V vs i5-8400T
Aggregate performance score
Core Ultra 5 238V outperforms Core i5-8400T by a whopping 199% based on our aggregate benchmark results.
Primary details
Comparing Core i5-8400T and Core Ultra 5 238V processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 1282 | 526 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 4.93 | no data |
| Market segment | Desktop processor | Laptop |
| Series | Intel Core i5 | no data |
| Power efficiency | 12.68 | 78.16 |
| Architecture codename | Coffee Lake (2017−2019) | Lunar Lake (2024) |
| Release date | 2 April 2018 (6 years ago) | 24 September 2024 (less than a year ago) |
| Launch price (MSRP) | $182 | no data |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Core i5-8400T and Core Ultra 5 238V 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) | 8 (Octa-Core) |
| Threads | 6 | 8 |
| Base clock speed | 1.7 GHz | 2.1 GHz |
| Boost clock speed | 3.3 GHz | 4.7 GHz |
| Bus type | DMI 3.0 | no data |
| Bus rate | 4 × 8 GT/s | 37 MHz |
| Multiplier | 17 | no data |
| L1 cache | 384 KB | 192 KB (per core) |
| L2 cache | 1.5 MB | 2.5 MB (per core) |
| L3 cache | 9 MB (shared) | 8 MB (shared) |
| Chip lithography | 14 nm | 3 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 | + | no data |
Compatibility
Information on Core i5-8400T and Core Ultra 5 238V 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 2833 |
| Power consumption (TDP) | 35 Watt | 17 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i5-8400T and Core Ultra 5 238V. 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 | + | + |
| 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 i5-8400T and Core Ultra 5 238V 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 i5-8400T and Core Ultra 5 238V are enumerated here.
| VT-d | + | + |
| VT-x | + | + |
| EPT | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core i5-8400T and Core Ultra 5 238V. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4-2666 | DDR5 |
| 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 | Intel UHD Graphics 630 | Arc 130V |
| 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 i5-8400T and Core Ultra 5 238V integrated GPUs.
| Number of displays supported | 3 | no data |
Graphics image quality
Maximum display resolutions supported by Core i5-8400T and Core Ultra 5 238V 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 i5-8400T and Core Ultra 5 238V 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 i5-8400T and Core Ultra 5 238V.
| PCIe version | 3.0 | 5.0 |
| PCI Express lanes | 16 | 4 |
Pros & cons summary
| Performance score | 4.69 | 14.04 |
| Recency | 2 April 2018 | 24 September 2024 |
| Physical cores | 6 | 8 |
| Threads | 6 | 8 |
| Chip lithography | 14 nm | 3 nm |
| Power consumption (TDP) | 35 Watt | 17 Watt |
Ultra 5 238V has a 199.4% higher aggregate performance score, an age advantage of 6 years, 33.3% more physical cores and 33.3% more threads, a 366.7% more advanced lithography process, and 105.9% lower power consumption.
The Core Ultra 5 238V is our recommended choice as it beats the Core i5-8400T in performance tests.
Note that Core i5-8400T is a desktop processor while Core Ultra 5 238V is a notebook one.
Should you still have questions on choice between Core i5-8400T and Core Ultra 5 238V, ask them in Comments section, and we shall answer.
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