Intel Core Ultra 7 266V vs Ultra 7 155H

We compared two laptop CPUs: the 2.2 GHz Intel Core Ultra 7 266V with 8-cores against the 1.4 GHz Ultra 7 155H with 16-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 155H and 266V
Advantages of Intel Core Ultra 7 266V
  • More modern manufacturing process – 3 versus 7 nanometers
  • Newer - released 9 months later
  • 16% faster in a single-core Geekbench v6 test - 2811 vs 2421 points
  • 4% higher Turbo Boost frequency (5 GHz vs 4.8 GHz)
Advantages of Intel Core Ultra 7 155H
  • Supports up to 96 GB LPDDR5-7467 RAM
  • Has 8 more physical cores
  • Has 12 MB larger L3 cache size, helping fully utilize a high-end GPU in gaming
  • More than 10Β° C higher critical temperature

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
Cinebench 2026 (Multi) - 3749
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 990.8 MB/sec 1220 MB/sec
Clang compilation 67.7 Klines/sec 100.8 Klines/sec
HTML 5 Browser 264.1 pages/sec 270.5 pages/sec
PDF Renderer 290.2 Mpixels/sec 356.1 Mpixels/sec
Text processing 310.4 pages/sec 243.4 pages/sec
Background blur 50.8 images/sec 49.2 images/sec
Photo processing 110.3 images/sec 117.2 images/sec
Ray tracing 14 Mpixels/sec 19.4 Mpixels/sec
Sources: GeekBench [1], [2] – 910 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
Floating point math - 62.5 GOps/sec
Find prime numbers - 113M Primes/sec
Random string sorting - 31.6M Strings/sec
Data encryption - 16.1 GBytes/sec
Data compression - 273.8 MBytes/sec
Physics - 1701 Frames/sec
Extended instructions - 16.2B Matrices/sec
Sources: PassMark [3] – 6648 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 15.8 PPW 14.7 PPW
Geekbench 6 Multi / Watt 294.7 PPW 192.5 PPW
Passmark CPU Mark / Watt - 377.1 PPW
Blender / Watt - 2.65 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 266V
No benchmark results yet
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

Specifications

Full technical specification of Intel Core Ultra 7 266V and Ultra 7 155H

General

Vendor Intel Intel
Released September 4, 2024 December 14, 2023
Type Laptop Laptop
Instruction Set x86-64 x86-64
Codename Lunar Lake Meteor Lake
Model number 266V 155H
Integrated GPU Arc Graphics 140V Arc Graphics (8-Cores)
Rival Equivalent - - AMD Ryzen 7 8840HS
Successor - Intel Core Ultra 7 366H - Intel Core Ultra 7 255H
Intel CPU rating (87th and 99th place)

CPU

Performance Cores
P-Cores 4 6
P-Threads 4 12
Base Frequency (P) 2.2 GHz 1.4 GHz
Turbo Boost Frequency (P) 5 GHz 4.8 GHz
Efficient Cores
E-Cores 4 10
E-Threads 4 10
Base Frequency (E) 2.2 GHz 0.9 GHz
Turbo Boost Frequency (E) 3.7 GHz 3.8 GHz
Total
Total Cores 8 16
Total Threads 8 22
Bus Frequency 100 MHz 100 MHz
Multiplier 22x 14x
L1 Cache 192K (per core) 112K (per core)
L2 Cache 2560K (per core) 2MB (per core)
L3 Cache 12MB (shared) 24MB (shared)
Unlocked Multiplier No No

Package

Fabrication Process 3 nm 7 nm
TDP (PL1) 17-37 W (configurable) 20-65 W (configurable)
Max. Boost TDP (PL2) 37 W 115 W
Socket FCBGA-2833 FCBGA-2049
Peak Temperature 100Β°C 110Β°C
Laptop processors ranking (110th and 128th place)

iGPU

Integrated Graphics Intel Arc Graphics 140V Arc Graphics (8-Cores)
GPU Base Clock 600 MHz 300 MHz
GPU Boost Clock 2000 MHz 2250 MHz
Shading Units 1024 1024
TMUs - 64
ROPs - 32
Execution Units - 128
TGP 30 W 28 W
iGPU FLOPS
4.1 TFLOPS
4.6 TFLOPS

Memory Support

Memory Types - LPDDR5X-8533 - LPDDR5-7467
- LPDDR5x-7467
- DDR5-5600
Max. Memory Size 16 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 266V official page Intel Core Ultra 7 155H official page
PCI Express Version 5.0 5.0
PCI Express Lanes 8 28

Cast your vote

Choose between two processors
2 (40%)
3 (60%)
Total votes: 5

Comments

So which CPU will you choose: Intel Core Ultra 7 155H or Ultra 7 266V?
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