Intel Core Ultra 7 155H vs i7 11800H

We compared two laptop CPUs: the 1.4 GHz Intel Core Ultra 7 155H with 16-cores against the 1.9-2.3 GHz i7 11800H with 8-cores. 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.
πŸ”Œ Usage Scenario:

Key Differences

What are the key differences between 11800H and 155H
Advantages of Intel Core Ultra 7 155H
  • More powerful Arc Graphics (8-Cores) integrated graphics: 4.6 vs 0.7 TFLOPS
  • Has 8 more physical cores
  • Newer - released 2 years and 7 months later
  • Around 38.4 GB/s (75%) higher theoretical memory bandwidth
  • More modern manufacturing process – 7 versus 10 nanometers
  • Newer PCI Express version – 5.0
  • 23% faster in a single-core Geekbench v6 test - 2421 vs 1962 points
  • More than 10Β° C higher critical temperature
  • 4% higher Turbo Boost frequency (4.8 GHz vs 4.6 GHz)
Advantages of Intel Core i7 11800H
  • Supports up to 128 GB DDR4-3200 RAM

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) 544 392
Cinebench 2026 (Multi) 3749 1974
Cinebench Scores (#165th 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 1220 MB/sec 765.8 MB/sec
Clang compilation 100.8 Klines/sec 64.3 Klines/sec
HTML 5 Browser 270.5 pages/sec 189.5 pages/sec
PDF Renderer 356.1 Mpixels/sec 281.6 Mpixels/sec
Text processing 243.4 pages/sec 186.6 pages/sec
Background blur 49.2 images/sec 37.7 images/sec
Photo processing 117.2 images/sec 78.7 images/sec
Ray tracing 19.4 Mpixels/sec 15.3 Mpixels/sec
Sources: GeekBench [1], [2] – 910 & 699 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 70.2 GOps/sec
Floating point math 62.5 GOps/sec 41.7 GOps/sec
Find prime numbers 113M Primes/sec 83M Primes/sec
Random string sorting 31.6M Strings/sec 28M Strings/sec
Data encryption 16.1 GBytes/sec 12 GBytes/sec
Data compression 273.8 MBytes/sec 233.7 MBytes/sec
Physics 1701 Frames/sec 919 Frames/sec
Extended instructions 16.2B Matrices/sec 15.7B Matrices/sec
Sources: PassMark [3], [4] – 6648 & 12773 samples

Blender

3D rendering test that measures CPU performance in 3D modeling tasks (uses all cores)
Blender CPU
172.02

Performance Per Watt

Shows the score you get per each watt of PL1 TDP
Cinebench 2024 / Watt 14.7 PPW 11.6 PPW
Geekbench 6 Multi / Watt 192.5 PPW 199.7 PPW
Passmark CPU Mark / Watt 377.1 PPW 435.4 PPW
Blender / Watt 2.65 PPW 3.44 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
Intel Core i7 11800H
DateBenchmarkResult
πŸ“˜ 2026-06-30 (peppew517)Cinebench 202487 / 667
πŸ“˜ 2026-06-30 (peppew517)Cinebench 20260 / 0
πŸ“˜ 2026-06-25 (peppew517)Geekbench 6 CPU2193 / 10451
πŸ“˜ 2026-06-15 (MSI)Cinebench 2026392 / 1974
πŸ“˜ 2026-04-23 (SMS)Geekbench 6 CPU2006 / 9389

Specifications

Full technical specification of Intel Core Ultra 7 155H and i7 11800H

General

Vendor Intel Intel
Released December 14, 2023 May 11, 2021
Type Laptop Laptop
Instruction Set x86-64 x86-64
Codename Meteor Lake Tiger Lake
Model number 155H i7-11800H
Integrated GPU Arc Graphics (8-Cores) UHD Graphics for 11th Gen (32 EU)
Rival Equivalent - AMD Ryzen 7 8840HS - AMD Ryzen 7 5800H
Successor - Intel Core Ultra 7 255H - Intel Core Ultra 7 265H
Intel CPU rating (99th and 194th place)

CPU

Performance Cores
P-Cores 6 8
P-Threads 12 16
Base Frequency (P) 1.4 GHz 1.9-2.3 GHz
Turbo Boost Frequency (P) 4.8 GHz 4.6 GHz
Efficient Cores
E-Cores 10 -
E-Threads 10 -
Base Frequency (E) 0.9 GHz -
Turbo Boost Frequency (E) 3.8 GHz -
Total
Total Cores 16 8
Total Threads 22 16
Bus Frequency 100 MHz 100 MHz
Multiplier 14x 19-23x
Bus Bandwidth - 8 GT/s
L1 Cache 112K (per core) 96K (per core)
L2 Cache 2MB (per core) 1280K (per core)
L3 Cache 24MB (shared) 24MB (shared)
Unlocked Multiplier No No

Package

Fabrication Process 7 nm 10 nm
TDP (PL1) 20-65 W (configurable) 35-45 W (configurable)
Max. Boost TDP (PL2) 115 W -
Socket FCBGA-2049 BGA-1787
Peak Temperature 110Β°C 100Β°C

iGPU

Integrated Graphics Arc Graphics (8-Cores) Intel UHD Graphics for 11th Gen (32 EU)
GPU Base Clock 300 MHz 300 MHz
GPU Boost Clock 2250 MHz 1450 MHz
Shading Units 1024 256
TMUs 64 16
ROPs 32 8
Execution Units 128 32
TGP 28 W 15 W
iGPU FLOPS
4.6 TFLOPS
0.7 TFLOPS

Memory Support

Memory Types - LPDDR5-7467
- LPDDR5x-7467
- DDR5-5600
- DDR4-3200
Max. Memory Size 96 GB 128 GB
Memory Channels 2 2
Max. Memory Bandwidth 89.6 GB/s 51.2 GB/s
ECC Support No No

Misc

Official Site Intel Core Ultra 7 155H official page Intel Core i7 11800H official page
PCI Express Version 5.0 4.0
PCI Express Lanes 28 20

Cast your vote

Choose between two processors
13 (81.3%)
3 (18.8%)
Total votes: 16

Comments

So which CPU will you choose: Intel Core i7 11800H or Ultra 7 155H?
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