Home > CPU Comparison > Core Ultra 7 155H or Core i9 13900HX: what's better?

Intel Core Ultra 7 155H vs i9 13900HX

57 out of 100
Intel Core Ultra 7 155H
VS
68 out of 100
Intel Core i9 13900HX
Intel Core Ultra 7 155H
Intel Core i9 13900HX

We compared two laptop CPUs: the 1.4 GHz Intel Core Ultra 7 155H with 16-cores against the 2.2 GHz i9 13900HX with 24-cores. On this page, you'll find out which processor has better performance in benchmarks, games and other useful information.

  1. Review
  2. Differences
  3. Performance
  4. Specs
  5. Comments

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
DeviceFacts Final Score
Choose your main usage scenario to recalculate the Final Score and see which CPU suits your needs.
πŸ”Œ Usage Scenario:

Key Differences

What are the key differences between 13900HX and 155H
Advantages of Intel Core Ultra 7 155H
  • More powerful Arc Graphics (8-Cores) integrated graphics: 4.6 vs 0.8 TFLOPS
  • More modern manufacturing process – 7 versus 10 nanometers
  • Newer - released 11 months later
  • More than 10Β° C higher critical temperature
Advantages of Intel Core i9 13900HX
  • Unlocked multiplier
  • Supports up to 192 GB DDR5-5600 RAM
  • Has 8 more physical cores
  • Has 12 MB larger L3 cache size, helping fully utilize a high-end GPU in gaming
  • 18% faster in a single-core Geekbench v6 test - 2865 vs 2421 points
  • 13% higher Turbo Boost frequency (5.4 GHz vs 4.8 GHz)

Test in Benchmarks

Comparing the performance of CPUs across various tasks
CPU:
Core Ultra 7 155H
vs
Core i9 13900HX

Cinebench

Reputable cross-platform benchmark for high-performance processors
Cinebench 2024 (Single)
Cinebench 2024 (Multi)
Cinebench 2026 (Single) 544 -
Cinebench 2026 (Multi) 3749 -
Cinebench Scores (165th and 49th place)
Submit your benchmark results

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 1220 MB/sec 1330 MB/sec
Clang compilation 100.8 Klines/sec 167.1 Klines/sec
HTML 5 Browser 270.5 pages/sec 411.6 pages/sec
PDF Renderer 356.1 Mpixels/sec 473.4 Mpixels/sec
Text processing 243.4 pages/sec 281.2 pages/sec
Background blur 49.2 images/sec 54.2 images/sec
Photo processing 117.2 images/sec 129.9 images/sec
Ray tracing 19.4 Mpixels/sec 35.7 Mpixels/sec
Sources: GeekBench [1], [2] – 910 & 1097 samples

PassMark

Synthetic test that focuses on raw computational performance for low-level functions
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
Integer math 85.8 GOps/sec 151 GOps/sec
Floating point math 62.5 GOps/sec 106.8 GOps/sec
Find prime numbers 113M Primes/sec 184M Primes/sec
Random string sorting 31.6M Strings/sec 57.1M Strings/sec
Data encryption 16.1 GBytes/sec 30.9 GBytes/sec
Data compression 273.8 MBytes/sec 511.7 MBytes/sec
Physics 1701 Frames/sec 2532 Frames/sec
Extended instructions 16.2B Matrices/sec 29.4B Matrices/sec
Sources: PassMark [3], [4] – 6648 & 4223 samples

Blender

3D rendering test that measures CPU performance in 3D modeling tasks (uses all cores)
Blender CPU
Core Ultra 7 155H
172.02
Core i9 13900HX +107%
355.81

Performance Per Watt

Shows the score you get per each watt of PL1 TDP
Cinebench 2024 / Watt 14.7 PPW 31.6 PPW
Geekbench 6 Multi / Watt 192.5 PPW 307.6 PPW
Passmark CPU Mark / Watt 377.1 PPW 754.6 PPW
Blender / Watt 2.65 PPW 6.47 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 7 155H
DateBenchmarkResult
πŸ“˜ 2026-02-22 (Alex Paulino)Cinebench 2026544 / 3749
πŸ“˜ 2026-01-15 (Ak-Dev)Geekbench 6 CPU2347 / 12862
πŸ“˜ 2025-11-08 (Anuj)Geekbench 6 CPU2248 / 12118
πŸ“˜ 2025-07-25 (Aya)Cinebench 202485 / 943
πŸ“˜ 2025-06-25 (Tarekcoupe)Cinebench 202496 / 930
Add View all (13)
Intel Core i9 13900HX
DateBenchmarkResult
πŸ“˜ 2025-10-01 (lubby)Cinebench 2024115 / 1737
πŸ“˜ 2025-04-12 (Mos)Cinebench 2024103 / 1014
πŸ“˜ 2024-08-11 (Guest #2)Cinebench 2024117 / 1580
Add View all (3)

Specifications

Full technical specification of Intel Core Ultra 7 155H and i9 13900HX

General

Vendor Intel Intel
Released December 14, 2023 January 3, 2023
Type Laptop Laptop
Instruction Set x86-64 x86-64
Codename Meteor Lake Raptor Lake
Model number 155H i9-13900HX
Integrated GPU Arc Graphics (8-Cores) UHD Graphics (32EU)
Rival Equivalent - AMD Ryzen 7 8840HS - AMD Ryzen 9 7845HX
Successor - Intel Core Ultra 7 255H - Intel Core Ultra 9 285HX
Intel CPU rating (99th and 52nd place)

CPU

Performance Cores
P-Cores 6 8
P-Threads 12 16
Base Frequency (P) 1.4 GHz 2.2 GHz
Turbo Boost Frequency (P) 4.8 GHz 5.4 GHz
Efficient Cores
E-Cores 10 16
E-Threads 10 16
Base Frequency (E) 0.9 GHz 1.6 GHz
Turbo Boost Frequency (E) 3.8 GHz 3.9 GHz
Total
Total Cores 16 24
Total Threads 22 32
Bus Frequency 100 MHz 100 MHz
Multiplier 14x 22x
L1 Cache 112K (per core) 80K (per core)
L2 Cache 2MB (per core) 2MB (per core)
L3 Cache 24MB (shared) 36MB (shared)
Unlocked Multiplier No Yes

Package

Fabrication Process 7 nm 10 nm
TDP (PL1) 20-65 W (configurable) 45-55 W (configurable)
Max. Boost TDP (PL2) 115 W 157 W
Socket FCBGA-2049 BGA-1964
Peak Temperature 110Β°C 100Β°C
Laptop processors ranking (128th and 63rd place)

iGPU

Integrated Graphics Arc Graphics (8-Cores) Intel UHD Graphics (32EU)
GPU Base Clock 300 MHz 300 MHz
GPU Boost Clock 2250 MHz 1650 MHz
Shading Units 1024 256
TMUs 64 16
ROPs 32 8
Execution Units 128 32
TGP 28 W 15 W
iGPU FLOPS
Core Ultra 7 155H +475%
4.6 TFLOPS
Core i9 13900HX
0.8 TFLOPS
More info: UHD Graphics Xe (32 EU) compared to Arc iGPU (8-Cores)

Memory Support

Memory Types - LPDDR5-7467
- LPDDR5x-7467
- DDR5-5600		 - DDR5-5600
- DDR4-3200
Max. Memory Size 96 GB 192 GB
Memory Channels 2 2
Max. Memory Bandwidth 89.6 GB/s 89.6 GB/s
ECC Support No Yes

Misc

Official Site Intel Core Ultra 7 155H official page Intel Core i9 13900HX official page
PCI Express Version 5.0 5.0
PCI Express Lanes 28 20

Cast your vote

Choose between two processors
6 (17.6%)
28 (82.4%)
Total votes: 34

Competitors

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3. Intel Core i9 13900HX vs Intel Core Ultra 9 185H
4. Intel Core i9 13900HX vs AMD Ryzen 7 8845HS
5. Intel Core i9 13900HX vs Intel Core i7 14650HX
6. Intel Core Ultra 7 155H vs Intel Core Ultra 7 258V (10)
7. Intel Core Ultra 7 155H vs Intel Core i7 13700H (9)
8. Intel Core Ultra 7 155H vs Apple M4 (10-Core) (1)
9. Intel Core Ultra 7 155H vs Intel Core Ultra 9 185H (8)
10. Intel Core Ultra 7 155H vs Intel Core Ultra 5 125H (3)
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Comments

So which CPU will you choose: Intel Core i9 13900HX or Ultra 7 155H?
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