INTEL

Intel Core Ultra X9 378H

Intel processor specifications and benchmark scores

16
Cores
16
Threads
5
GHz Boost
25W
TDP
Integrated GPU NPU

At a Glance

Intel
Cores / Threads 16C / 16T
Boost Clock 5 GHz
Base Clock 2 GHz
L3 Cache 18 MB (shared)
TDP 25W
Socket Intel BGA 2540
nm
Process 3 nm
Released Apr 2026

Intel Core Ultra X9 378H Specifications

Core Ultra X9 378H Core Configuration

Processing cores and threading

The Intel Core Ultra X9 378H features 16 physical cores and 16 threads, which directly impacts multi-threaded performance in CPU benchmarks. More cores allow the processor to handle parallel workloads efficiently, improving performance in video editing, 3D rendering, and multitasking scenarios. Thread count determines how many simultaneous tasks the CPU can process, with higher thread counts benefiting productivity applications and content creation workflows.

Cores
16
Threads
16
Hybrid Cores
P-Cores: 4 E-Cores: 12
SMP CPUs
1

Ultra X9 378H Clock Speeds

Base and boost frequencies

Clock speed is a critical factor in Core Ultra X9 378H benchmark performance, measured in GHz. The base clock represents the guaranteed operating frequency, while the boost clock indicates maximum single-core performance under optimal conditions. Higher clock speeds translate to faster single-threaded performance, which is essential for gaming and applications that don't fully utilize multiple cores. The Core Ultra X9 378H by Intel can dynamically adjust its frequency based on workload and thermal headroom.

Base Clock
2 GHz
Boost Clock
5 GHz
E-Core Frequency
1600 MHz up to 3.8 GHz
Multiplier
20x

Intel's Core Ultra X9 378H Cache Hierarchy

L1, L2, L3 cache sizes

Cache memory is ultra-fast storage built directly into the Ultra X9 378H processor die. L1 cache provides the fastest access for frequently used data, while L2 and L3 caches offer progressively larger storage with slightly higher latency. Larger cache sizes significantly improve CPU benchmark scores by reducing memory access times. The Core Ultra X9 378H's cache configuration is optimized for both gaming performance and productivity workloads, minimizing data fetch delays during intensive computations.

L1 Cache
192 KB (per core)
L2 Cache
2.5 MB (per core)
L3 Cache
18 MB (shared)

Intel Architecture & Process

Manufacturing and design details

The Intel Core Ultra X9 378H is built on Intel's 3 nm manufacturing process, which determines power efficiency and thermal characteristics. Smaller process nodes allow for more transistors in the same space, enabling higher performance per watt. The architecture defines how the processor handles instructions and manages data flow, directly impacting benchmark results across different workload types. Modern CPU architectures like the one in Ultra X9 378H incorporate advanced branch prediction and out-of-order execution for optimal performance.

Codename
Panther Lake
Process Node
3 nm
Foundry
Intel
Generation
Ultra X9 (Panther Lake-H)

Ultra X9 378H Power & Thermal

TDP and power specifications

The Intel Core Ultra X9 378H has a TDP (Thermal Design Power) of 25W, indicating the cooling solution required for sustained operation. TDP affects both system power consumption and the type of cooler needed. Lower TDP processors are ideal for compact builds and laptops, while higher TDP chips typically offer better sustained performance in demanding CPU benchmarks. Understanding power requirements helps ensure your system can deliver consistent performance without thermal throttling.

TDP
25W
Tj Max
100°C
Configurable TDP
45 W

Intel BGA 2540 Platform & Socket

Compatibility information

The Core Ultra X9 378H uses the Intel BGA 2540 socket, which determines motherboard compatibility. Choosing the right platform is essential for building a system around this processor. The socket type also influences available features like PCIe lanes, memory support, and upgrade paths. When comparing CPU benchmarks, ensure you're looking at processors compatible with your existing or planned motherboard to make informed purchasing decisions.

Socket
Intel BGA 2540
PCIe
Gen 5, 4 Lanes(CPU only)
Package
FC-BGA
DDR5

Intel BGA 2540 Memory Support

RAM compatibility and speeds

Memory support specifications for the Ultra X9 378H define which RAM types and speeds are compatible. Faster memory can significantly improve CPU benchmark performance, especially in memory-intensive applications and gaming. The memory controller integrated into the Core Ultra X9 378H determines maximum supported speeds and channels. Dual-channel or quad-channel memory configurations can double or quadruple memory bandwidth, providing noticeable performance gains in content creation and scientific workloads.

Memory Type
LPDDR5X
Memory Bus
Dual-channel
Memory Bandwidth
153.6 GB/s

Intel's Core Ultra X9 378H Integrated Graphics

Built-in GPU specifications

The Intel Core Ultra X9 378H includes integrated graphics, eliminating the need for a dedicated GPU in basic computing scenarios. Integrated graphics are ideal for office productivity, video playback, and light gaming. While not designed for demanding GPU benchmarks, the iGPU in the Ultra X9 378H provides hardware video encoding and decoding capabilities. This makes the processor suitable for compact builds, HTPCs, and systems where power efficiency is prioritized over gaming performance.

iGPU
Arc B390
Graphics Model
Arc B390

Core Ultra X9 378H by Intel AI & NPU

Neural processing capabilities

The Intel Core Ultra X9 378H features a dedicated Neural Processing Unit (NPU) for accelerating AI and machine learning workloads. This specialized hardware offloads AI tasks from the CPU cores, improving efficiency in applications like real-time video enhancement, noise cancellation, and intelligent assistants. NPU performance is measured in TOPS (Tera Operations Per Second), with higher values indicating faster AI processing. The NPU enables on-device AI capabilities without relying on cloud services, enhancing privacy and reducing latency.

NPU
Yes / 50 TOPS

Core Ultra X9 378H Product Information

Release and pricing details

The Intel Core Ultra X9 378H is manufactured by Intel and represents their commitment to delivering competitive CPU performance. Understanding the release date and pricing helps contextualize benchmark comparisons with other processors from the same generation. Launch pricing provides a baseline for evaluating value, though street prices often differ. Whether you're building a new system or upgrading, the Core Ultra X9 378H by Intel offers a specific balance of performance, features, and cost within Intel's product lineup.

Manufacturer
Intel
Release Date
Apr 2026
Market
Mobile
Status
Active
Part Number
unknown

Core Ultra X9 378H Benchmark Scores

cinebench_cinebench_r15_multicoreSource

Cinebench R15 multi-core renders a complex 3D scene using all CPU threads simultaneously. This test reveals how Intel Core Ultra X9 378H performs in parallel rendering workloads like video production and 3D animation. Higher scores mean faster render times in professional applications.

cinebench_cinebench_r15_multicore #239 of 1945
3,281
22%
Max: 14,978

cinebench_cinebench_r15_singlecoreSource

Cinebench R15 single-core measures the speed of one CPU thread rendering 3D geometry. This score indicates how Intel Core Ultra X9 378H handles tasks that can't be parallelized across multiple cores. Games and many desktop applications still rely heavily on single-thread performance.

cinebench_cinebench_r15_singlecore #234 of 1351
462
22%
Max: 2,114

cinebench_cinebench_r20_multicoreSource

Cinebench R20 multi-core uses a scene requiring 4x more computational power than R15. This test better reflects modern CPU capabilities for professional rendering on Intel Core Ultra X9 378H.

cinebench_cinebench_r20_multicore #239 of 1945
13,672
22%
Max: 62,412
Compare with other CPUs

cinebench_cinebench_r20_singlecoreSource

Cinebench R20 single-core tests one thread against a more demanding scene than R15. This reveals the true single-thread rendering capability of Intel Core Ultra X9 378H.

cinebench_cinebench_r20_singlecore #234 of 1935
1,929
22%
Max: 8,811

cinebench_cinebench_r23_multicoreSource

Cinebench R23 multi-core is the current standard for CPU rendering benchmarks with a 10-minute minimum runtime. This extended test reveals sustained performance of Intel Core Ultra X9 378H after thermal limits kick in.

cinebench_cinebench_r23_multicore #239 of 1945
32,553
22%
Max: 148,601
Compare with other CPUs

cinebench_cinebench_r23_singlecoreSource

Cinebench R23 single-core measures sustained single-thread performance over 10 minutes. This reveals how Intel Core Ultra X9 378H maintains boost clocks under continuous load.

cinebench_cinebench_r23_singlecore #226 of 1932
4,595
22%
Max: 20,979

passmark_data_compressionSource

Data compression measures how fast Intel Core Ultra X9 378H can compress and decompress files. This is important for archiving, backup software, and file transfer applications.

passmark_data_compression #248 of 689
386,591
7%
Max: 5,679,990
Compare with other CPUs

Top 5 Performers

#1 AMD EPYC 9965
5,679,990
#2 AMD EPYC 9845
4,680,013
#3 AMD EPYC 9755
4,517,407
#4 AMD EPYC 9745
3,929,890

passmark_data_encryptionSource

Data encryption tests how fast Intel Core Ultra X9 378H can encrypt information using AES and other algorithms. This is critical for security applications, VPNs, and secure communications. Modern CPUs with AES-NI hardware acceleration score significantly higher. Disk encryption, secure browsing, and VPN performance all benefit from faster encryption.

passmark_data_encryption #180 of 689
29,840
9%
Max: 348,449
Compare with other CPUs

passmark_extended_instructionsSource

Extended instructions tests Intel Core Ultra X9 378H performance using SSE and AVX instruction sets. These specialized instructions accelerate multimedia, scientific, and AI workloads.

passmark_extended_instructions #207 of 689
31,315
8%
Max: 383,298
Compare with other CPUs

passmark_find_prime_numbersSource

Find prime numbers tests Intel Core Ultra X9 378H ability to identify primes through intensive calculations. This is a pure computational benchmark that stresses CPU arithmetic units without memory bottlenecks. The test reveals raw mathematical processing capability.

passmark_find_prime_numbers #120 of 689
357
15%
Max: 2,422

passmark_floating_point_mathSource

Floating point math measures how Intel Core Ultra X9 378H handles decimal calculations critical for scientific computing and 3D rendering. This affects performance in CAD and physics simulations.

passmark_floating_point_math #150 of 689
114,500
10%
Max: 1,153,453
Compare with other CPUs

passmark_integer_mathSource

Integer math tests how fast Intel Core Ultra X9 378H processes whole number calculations essential for database operations and compression algorithms. This is fundamental to general computing performance. Encryption and data processing heavily rely on integer operations. Higher scores benefit applications that work primarily with non-decimal numbers.

passmark_integer_math #304 of 689
92,603
5%
Max: 1,926,069
Compare with other CPUs

Top 5 Performers

#1 AMD EPYC 9965
1,926,069
#2 AMD EPYC 9845
1,687,531
#3 AMD EPYC 9755
1,549,946
#4 AMD EPYC 9655P
1,225,251
#5 AMD EPYC 9745
1,224,315

passmark_multithreadSource

PassMark multi-thread tests Intel Core Ultra X9 378H across integer math, floating point, compression, and encryption using all cores. This provides an overall multi-threaded CPU performance score. The combined result reflects general-purpose parallel computing capability. Results can be compared against millions of submissions in the PassMark database.

passmark_multithread #196 of 689
38,298
22%
Max: 171,200
Compare with other CPUs

passmark_physicsSource

Physics tests how Intel Core Ultra X9 378H handles physics simulations used in games and engineering software. This measures performance in calculating object interactions and movements.

passmark_physics #113 of 689
3,404
12%
Max: 27,806
Compare with other CPUs

passmark_random_string_sortingSource

Random string sorting measures how fast Intel Core Ultra X9 378H can organize text data. This is important for database operations, search indexing, and data processing applications.

passmark_random_string_sorting #238 of 689
44,648
7%
Max: 633,030
Compare with other CPUs

Top 5 Performers

#1 AMD EPYC 9965
633,030
#2 AMD EPYC 9755
571,185
#3 AMD EPYC 9845
538,060
#4 AMD EPYC 9745
468,975
#5 AMD EPYC 9655P
451,824

passmark_single_threadSource

PassMark single-thread measures per-core performance of Intel Core Ultra X9 378H across various computational tasks. This score is critical for gaming and single-threaded applications. Higher scores mean better system responsiveness in everyday use.

passmark_singlethreadSource

PassMark single-thread measures per-core performance of Intel Core Ultra X9 378H across various computational tasks. This score is critical for gaming and single-threaded applications. Higher scores mean better system responsiveness in everyday use. Many legacy applications and games still depend heavily on single-thread speed.

The AMD Equivalent of Core Ultra X9 378H

Looking for a similar processor from AMD? The AMD Ryzen 5 3501U offers comparable performance and features in the AMD lineup.

AMD Ryzen 5 3501U

AMD • 4 Cores

View Specs Compare

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