Intel Core Ultra X9 378H vs Ultra X7 358H

We compared two 16-core laptop CPUs: the 2.0 GHz Intel Core Ultra X9 378H against the 1.9 GHz Ultra X7 358H. On this page, you'll find out which processor has better performance in benchmarks, games and other useful information.

Review

General overview and comparison of the processors
Single-Core Performance
Performance in single-threaded apps and benchmarks
Multi-Core Performance
Measure performance when all cores are involved
Power Efficiency
The efficiency score of power consumption
Integrated Graphics
iGPU capabilities for gaming and 3D-intensive tasks
NanoReview Final Score
Choose your main usage scenario to recalculate the Final Score and see which CPU suits your needs.
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Key Differences

What are the key differences between 358H and 378H
Advantages of Intel Core Ultra X9 378H
  • 4% higher Turbo Boost frequency (5 GHz vs 4.8 GHz)

Test in Benchmarks

Comparing the performance of CPUs across various tasks

Cinebench

Reputable cross-platform benchmark for high-performance processors
Cinebench 2024 (Single)
Cinebench 2024 (Multi)
Cinebench 2026 (Single) 535 502
Cinebench 2026 (Multi) 5201 4689
Cinebench Scores (89th and 126th place)

GeekBench v6

The new version of this benchmark emulates common operations often used in real-world apps
Geekbench 6 (Single-Core)
Geekbench 6 (Multi-Core)
File compression - 1210 MB/sec
Clang compilation - 98.2 Klines/sec
HTML 5 Browser - 371.3 pages/sec
PDF Renderer - 368 Mpixels/sec
Text processing - 293 pages/sec
Background blur - 59.2 images/sec
Photo processing - 118.3 images/sec
Ray tracing - 19.7 Mpixels/sec
Sources: GeekBench [1], [2]

PassMark

Synthetic test that focuses on raw computational performance for low-level functions
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
Integer math 92.6 GOps/sec 82.8 GOps/sec
Floating point math 114.5 GOps/sec 103.3 GOps/sec
Find prime numbers 357M Primes/sec 336M Primes/sec
Random string sorting 44.6M Strings/sec 40.2M Strings/sec
Data encryption 29.8 GBytes/sec 25.9 GBytes/sec
Data compression 386.6 MBytes/sec 331.3 MBytes/sec
Physics 3404 Frames/sec 3011 Frames/sec
Extended instructions 31.3B Matrices/sec 27.2B Matrices/sec
Sources: PassMark [3], [4] โ€“ 1 & 334 samples

Blender

3D rendering test that measures CPU performance in 3D modeling tasks (uses all cores)
Blender CPU

Performance Per Watt

Shows the score you get per each watt of PL1 TDP
Cinebench 2024 / Watt 52.8 PPW 44.6 PPW
Geekbench 6 Multi / Watt 659.8 PPW 682.5 PPW
Passmark CPU Mark / Watt 1531.9 PPW 1346.9 PPW
Blender / Watt - 11.27 PPW
These are rough calculations, as most CPUs surpass PL1 TDP wattage even in multicore workloads.

Recent User Tests

The latest benchmark tests that have been submitted by users
Intel Core Ultra X9 378H
No benchmark results yet
Intel Core Ultra X7 358H
DateBenchmarkResult
๐Ÿ“˜ 2026-09-05 -> asterismxGeekbench 6 CPU2910 / 17150
๐Ÿ“˜ 2026-09-05 -> asterismxCinebench 2024126 / 1182
๐Ÿ“˜ 2026-09-05 -> asterismxCinebench 20260 / 4753

Specifications

Full technical specification of Intel Core Ultra X9 378H and Ultra X7 358H

General

Vendor Intel Intel
Released May 13, 2026 January 5, 2026
Type Laptop Laptop
Instruction Set x86-64 x86-64
Codename Panther Lake Panther Lake
Model number 388H 358H
Integrated GPU Arc B390 Arc B390
Intel CPU rating (26th and 38th place)

CPU

Performance Cores
P-Cores 4 4
P-Threads 4 4
Base Frequency (P) 2.0 GHz 1.9 GHz
Turbo Boost Frequency (P) 5 GHz 4.8 GHz
Efficient Cores
E-Cores 12 12
E-Threads 12 12
Base Frequency (E) 1.6 GHz 1.5 GHz
Turbo Boost Frequency (E) 3.8 GHz 3.5 GHz
Total
Total Cores 16 16
Total Threads 16 16
Bus Frequency 100 MHz 100 MHz
Multiplier 20x 19x
L1 Cache 192K (per core) 192K (per core)
L2 Cache 3MB (per core) 3MB (per core)
L3 Cache 18MB (shared) 18MB (shared)
Unlocked Multiplier No No

Package

Fabrication Process 2 nm 2 nm
TDP (PL1) 15-25 W (configurable) 15-25 W (configurable)
Max. Boost TDP (PL2) 80 W 80 W
Socket FCBGA2540 FCBGA2540
Peak Temperature 100ยฐC 100ยฐC
Laptop processors ranking (29th and 46th place)

iGPU

Integrated Graphics Intel Arc B390 Intel Arc B390
GPU Base Clock 300 MHz 300 MHz
GPU Boost Clock 2500 MHz 2500 MHz
Shading Units 1536 1536
TMUs 48 48
ROPs 24 24
Execution Units 12 12
TGP 30 W 30 W
iGPU FLOPS
7.7 TFLOPS
7.7 TFLOPS

Memory Support

Memory Types - LPDDR5X-9600 - LPDDR5X-9600
Max. Memory Size 96 GB 96 GB
Memory Channels 2 2
Max. Memory Bandwidth 153.6 GB/s 153.6 GB/s
ECC Support No No

Misc

Official Site Intel Core Ultra X9 378H official page Intel Core Ultra X7 358H official page
PCI Express Version 5.0 5.0
PCI Express Lanes 12 12

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Comments

So which CPU will you choose: Intel Core Ultra X7 358H or Ultra X9 378H?
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