Core Ultra X9 388H: specs and benchmarks
Aggregate performance score
Core Ultra X9 388H provides good benchmark performance at 21.62% of a leader's which is a 96-core Ryzen Threadripper PRO 9995WX.
Contents
Summary
Intel started Core Ultra X9 388H sales 5 January 2026. This is a Panther Lake architecture notebook processor primarily aimed at office systems. It has 16 cores and 16 threads, and is based on 3 nm manufacturing technology, with a maximum frequency of 5100 MHz and a locked multiplier.
Compatibility-wise, this is FCBGA2540 processor with a TDP of 25 Watt. It supports LPDDR5X-9600 memory.
Primary details
Core Ultra X9 388H processor market type (desktop or notebook), architecture, sales start time and pricing.
| Place in the ranking | 316 | |
| Place by popularity | not in top-100 | |
| Market segment | Laptop | |
| Power efficiency | 36.55 | of 100.00 (Apple M4 (8 cores)) |
| Designer | Intel | |
| Manufacturer | Intel | |
| Architecture codename | Panther Lake (2026) | |
| Release date | 5 January 2026 (recently) |
Detailed specifications
Basic microprocessor parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters can generally indicate CPU performance, but to be more precise you have to review its test results.
| Physical cores | 16 (Hexadeca-Core) | |
| Performance-cores | 4 | of 72 (Xeon 6776P-B) |
| Efficient-cores | 8 | of 16 (Core i9-13900K) |
| Low Power Efficient-cores | 4 | |
| Threads | 16 | |
| Base clock speed | 2.1 GHz | of 4.7 GHz (FX-9590) |
| Boost clock speed | 5.1 GHz | of 6.2 GHz (Core i9-14900KS) |
| L1 cache | 192 KB (per core) | of 80 KB (EPYC 9965) |
| L2 cache | 2.5 MB (per core) | of 2 MB (Xeon 6980P) |
| L3 cache | 18 MB (shared) | of 1152 MB (EPYC 9684X) |
| Chip lithography | 3 nm | |
| 64 bit support | + |
Compatibility
Information on Core Ultra X9 388H compatibility with other computer components and devices: 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 | of 8 (Opteron 842) |
| Socket | FCBGA2540 | |
| Power consumption (TDP) | 25 Watt | of 500 Watt (Xeon 6960P) |
Technologies and extensions
Technological capabilities and additional instructions supported by Core Ultra X9 388H. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2 | |
| AES-NI | + | |
| AVX | + | |
| vPro | + | |
| Enhanced SpeedStep (EIST) | + | |
| Speed Shift | + | |
| Turbo Boost Technology | 2.0 | |
| Thermal Monitoring | + | |
| SIPP | + | |
| Turbo Boost Max 3.0 | + | |
| Deep Learning Boost | + | |
| Supported AI Software Frameworks | OpenVINO™, WindowsML, DirectML, ONNX RT, WebNN |
Security technologies
Processor technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | |
| EDB | + | |
| OS Guard | + |
Virtualization technologies
Supported virtual machine optimization technologies. Some are specific to Intel only, some to AMD.
| VT-d | + | |
| VT-x | + | |
| EPT | + |
Memory specs
Types, maximum amount and channel number of RAM supported by Core Ultra X9 388H's memory controller. Depending on the motherboard, higher memory frequency may be supported.
| Supported memory types | LPDDR5X-9600 | |
| Maximum memory size | 96 GB | of 6 TiB (EPYC 9124) |
| Max memory channels | 2 | of 12 (Xeon Platinum 9221) |
Graphics specifications
General parameters of a GPU integrated into Core Ultra X9 388H.
| Integrated graphics card | Intel® Arc™ B390 GPU | |
| Quick Sync Video | + | |
| Graphics max frequency | 2.5 GHz |
Graphics interfaces
Available interfaces and connections of Core Ultra X9 388H's integrated GPU.
| Number of displays supported | 4 |
Graphics image quality
Maximum display resolutions supported by Core Ultra X9 388H's integrated GPU, including resolutions over different interfaces.
| Max resolution over eDP | 3840 x 2400 @ 120Hz | |
| Max resolution over DisplayPort | 7680 x 4320 @ 60Hz |
Graphics API support
APIs supported by Core Ultra X9 388H's integrated GPU, sometimes API versions are included.
| DirectX | DirectX 12 Ultimate | |
| OpenGL | 4.6 |
Peripherals
Specifications and connection types of supported peripherals.
| PCIe version | 5.0 and 4.0 | |
| PCI Express lanes | 12 | of 144 (Threadripper PRO 7955WX) |
Benchmark performance
Single-core and multi-core benchmark results of Core Ultra X9 388H. Overall benchmark performance is measured in points in 0-100 range, higher is better.
Combined synthetic benchmark score
This is our combined benchmark performance rating.
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. Other than that, Passmark measures multi-core performance.
Cinebench 15 64-bit multi-core
Cinebench Release 15 Multi Core is a variant of Cinebench R15 which uses all the processor threads.
Send your test results of Core Ultra X9 388H.
AMD equivalent
According to our data, the closest AMD alternative to Core Ultra X9 388H is Ryzen AI 9 HX PRO 470, which is slower by 3% and lower by 12 positions in our ranking.
Here are some closest AMD rivals to Core Ultra X9 388H:
Similar processors
Here is our recommendation of several processors that are more or less close in performance to the one reviewed.
Recommended GPUs
People consider these graphics cards to be good for Core Ultra X9 388H, according to our PC configuration statistics.
These are the fastest graphics cards for Core Ultra X9 388H in our user configuration statistics. There is a total of 9 configurations using Core Ultra X9 388H in our database.
