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

Intel Core Ultra 7 155U vs i9 13900H

50 out of 100
Intel Core Ultra 7 155U
VS
58 out of 100
Intel Core i9 13900H
Intel Core Ultra 7 155U
Intel Core i9 13900H

We compared two laptop CPUs: the 1.7 GHz Intel Core Ultra 7 155U with 12-cores against the 2.6 GHz i9 13900H with 14-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 13900H and 155U
Advantages of Intel Core Ultra 7 155U
  • 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 13900H
  • Has 12 MB larger L3 cache size, helping fully utilize a high-end GPU in gaming
  • Newer PCI Express version – 5.0
  • Has 2 more physical cores
  • More powerful Intel Iris Xe Graphics (96 EU) integrated graphics: 2.3 vs 2 TFLOPS
  • 16% faster in a single-core Geekbench v6 test - 2676 vs 2315 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 155U
vs
Core i9 13900H

Cinebench

Reputable cross-platform benchmark for high-performance processors
Cinebench 2024 (Single)
Cinebench 2024 (Multi)
Cinebench 2026 (Single) - 614
Cinebench 2026 (Multi) - 4378
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 1000 MB/sec 1320 MB/sec
Clang compilation 62.5 Klines/sec 107.9 Klines/sec
HTML 5 Browser 241.5 pages/sec 372.2 pages/sec
PDF Renderer 264.8 Mpixels/sec 426.6 Mpixels/sec
Text processing 233.2 pages/sec 270.4 pages/sec
Background blur 39 images/sec 59.2 images/sec
Photo processing 97.3 images/sec 135.5 images/sec
Ray tracing 13.2 Mpixels/sec 24.7 Mpixels/sec
Sources: GeekBench [1], [2] – 21 & 897 samples

PassMark

Synthetic test that focuses on raw computational performance for low-level functions
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
Integer math 56.8 GOps/sec 95.4 GOps/sec
Floating point math 39.6 GOps/sec 68.3 GOps/sec
Find prime numbers 65M Primes/sec 102M Primes/sec
Random string sorting 19.5M Strings/sec 35M Strings/sec
Data encryption 11.2 GBytes/sec 18.6 GBytes/sec
Data compression 174.6 MBytes/sec 320.1 MBytes/sec
Physics 1076 Frames/sec 1695 Frames/sec
Extended instructions 9.7B Matrices/sec 19B Matrices/sec
Sources: PassMark [3], [4] – 1857 & 4377 samples

Blender

3D rendering test that measures CPU performance in 3D modeling tasks (uses all cores)
Blender CPU
Core Ultra 7 155U
99.74
Core i9 13900H +113%
212.33

Performance Per Watt

Shows the score you get per each watt of PL1 TDP
Cinebench 2024 / Watt 36.6 PPW 16.1 PPW
Geekbench 6 Multi / Watt 632.4 PPW 327.5 PPW
Passmark CPU Mark / Watt 1076.1 PPW 602 PPW
Blender / Watt 6.65 PPW 4.72 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 155U
DateBenchmarkResult
πŸ“˜ 2025-03-17 (KNOTs_007)Cinebench 2024101 / 997
πŸ“˜ 2025-02-14 (hanswurst)Cinebench 202490 / 348
πŸ“˜ 2024-07-18 (Makikou)Cinebench 202494 / 333
Add View all (3)
Intel Core i9 13900H
DateBenchmarkResult
πŸ“˜ 2026-06-12 -> sevensraysCinebench 2026614 / 4378
πŸ“˜ 2026-06-12 -> sevensraysGeekbench 6 CPU2382 / 13356
πŸ“˜ 2025-06-24 (JoseBedo)Cinebench 2024113 / 723
Add View all (3)

Specifications

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

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 155U i9-13900H
Integrated GPU Arc Graphics (4-Cores) Iris Xe Graphics (96 EU)
Rival Equivalent - AMD Ryzen 7 8840U - AMD Ryzen 9 7940HS
Successor - Intel Core Ultra 7 255U - Intel Core Ultra 9 288V
Intel CPU rating (150th and 95th place)

CPU

Performance Cores
P-Cores 2 6
P-Threads 4 12
Base Frequency (P) 1.7 GHz 2.6 GHz
Turbo Boost Frequency (P) 4.8 GHz 5.4 GHz
Efficient Cores
E-Cores 10 8
E-Threads 10 8
Base Frequency (E) 1.2 GHz 1.9 GHz
Turbo Boost Frequency (E) 3.8 GHz 4.1 GHz
Total
Total Cores 12 14
Total Threads 14 20
Bus Frequency 100 MHz 100 MHz
Multiplier 17x 26x
L1 Cache 112K (per core) 80K (per core)
L2 Cache 2MB (per core) 2MB (per core)
L3 Cache 12MB (shared) 24MB (shared)
Unlocked Multiplier No No

Package

Fabrication Process 7 nm 10 nm
TDP (PL1) 12-15 W (configurable) 35-45 W (configurable)
Max. Boost TDP (PL2) 57 W 115 W
Socket FCBGA-2049 BGA-1744
Peak Temperature 110Β°C 100Β°C
Laptop processors ranking (198th and 123rd place)

iGPU

Integrated Graphics Arc Graphics (4-Cores) Intel Iris Xe Graphics (96 EU)
GPU Base Clock 300 MHz 300 MHz
GPU Boost Clock 1950 MHz 1500 MHz
Shading Units 512 768
TMUs 32 48
ROPs 16 24
Execution Units 64 96
TGP 14 W 15 W
iGPU FLOPS
Core Ultra 7 155U
2 TFLOPS
Core i9 13900H +15%
2.3 TFLOPS
More info: Iris Xe Graphics G7 (96EU) compared to Arc iGPU (4-Cores)

Memory Support

Memory Types - LPDDR5-7467
- LPDDR5x-7467
- DDR5-5600		 - DDR5-5200
- DDR4-3200
- LPDDR5-6400
- LPDDR5x-6400
- LPDDR4x-4267
Max. Memory Size 96 GB 96 GB
Memory Channels 2 2
Max. Memory Bandwidth 89.6 GB/s -
ECC Support No No

Misc

Official Site Intel Core Ultra 7 155U official page Intel Core i9 13900H official page
PCI Express Version 4.0 5.0
PCI Express Lanes 20 28

Cast your vote

Choose between two processors
1 (25%)
3 (75%)
Total votes: 4

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4. Intel Core i9 13900H vs AMD Ryzen 9 8945HS (7)
5. Intel Core i9 13900H vs AMD Ryzen 9 7940HS (1)
6. Intel Core i9 13900H vs Intel Core i9 13900HX (1)
7. Intel Core i9 13900H vs AMD Ryzen 7 8845HS
8. Intel Core Ultra 7 155U vs Intel Core Ultra 7 155H (6)
9. Intel Core Ultra 7 155U vs AMD Ryzen 7 8840U (3)
10. Intel Core Ultra 7 155U vs Intel Core i7 1355U (1)
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Comments

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