Intel Core Ultra 7 155H vs AMD Ryzen 7 8840HS

We compared two laptop CPUs: the 1.4 GHz Intel Core Ultra 7 155H with 16-cores against the 3.3 GHz AMD Ryzen 7 8840HS 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 8840HS and 155H
Advantages of Intel Core Ultra 7 155H
  • Has 8 more physical cores
  • Has 8 MB larger L3 cache size, helping fully utilize a high-end GPU in gaming
  • Newer PCI Express version – 5.0
  • More than 10Β° C higher critical temperature
Advantages of AMD Ryzen 7 8840HS
  • Supports up to 256 GB DDR5-5600 RAM
  • More modern manufacturing process – 4 versus 7 nanometers
  • 6% higher Turbo Boost frequency (5.1 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) 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 1220 MB/sec 714.9 MB/sec
Clang compilation 100.8 Klines/sec 87.9 Klines/sec
HTML 5 Browser 270.5 pages/sec 182.5 pages/sec
PDF Renderer 356.1 Mpixels/sec 280.1 Mpixels/sec
Text processing 243.4 pages/sec 271.4 pages/sec
Background blur 49.2 images/sec 44.8 images/sec
Photo processing 117.2 images/sec 70.1 images/sec
Ray tracing 19.4 Mpixels/sec 19.2 Mpixels/sec
Sources: GeekBench [1], [2] – 910 & 308 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 88.4 GOps/sec
Floating point math 62.5 GOps/sec 51.6 GOps/sec
Find prime numbers 113M Primes/sec 78M Primes/sec
Random string sorting 31.6M Strings/sec 35.3M Strings/sec
Data encryption 16.1 GBytes/sec 17.5 GBytes/sec
Data compression 273.8 MBytes/sec 289.2 MBytes/sec
Physics 1701 Frames/sec 1153 Frames/sec
Extended instructions 16.2B Matrices/sec 20.4B Matrices/sec
Sources: PassMark [3], [4] – 6648 & 768 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 14.7 PPW 22.6 PPW
Geekbench 6 Multi / Watt 192.5 PPW 321.8 PPW
Passmark CPU Mark / Watt 377.1 PPW 820.8 PPW
Blender / Watt 2.65 PPW 5.59 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
AMD Ryzen 7 8840HS
No benchmark results yet

Specifications

Full technical specification of Intel Core Ultra 7 155H and AMD Ryzen 7 8840HS

General

Vendor Intel Amd
Released December 14, 2023 December 6, 2023
Type Laptop Laptop
Instruction Set x86-64 x86-64
Codename Meteor Lake Zen 4 (Hawk Point)
Model number 155H -
Integrated GPU Arc Graphics (8-Cores) Radeon 780M
Rival Equivalent - AMD Ryzen 7 8840HS -
Successor - Intel Core Ultra 7 255H -
Intel CPU rating (#99th place)
AMD Ryzen CPU ranking (#75th place)

CPU

Performance Cores
P-Cores 6 8
P-Threads 12 16
Base Frequency (P) 1.4 GHz 3.3 GHz
Turbo Boost Frequency (P) 4.8 GHz 5.1 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 33x
L1 Cache 112K (per core) 64K (per core)
L2 Cache 2MB (per core) 1MB (per core)
L3 Cache 24MB (shared) 16MB (shared)
Unlocked Multiplier No No

Package

Transistors - 25 billions
Fabrication Process 7 nm 4 nm
TDP (PL1) 20-65 W (configurable) 20-30 W (configurable)
Max. Boost TDP (PL2) 115 W -
Socket FCBGA-2049 FP8
Peak Temperature 110Β°C 100Β°C
Laptop processors ranking (128th and 120th place)

iGPU

Integrated Graphics Arc Graphics (8-Cores) Radeon 780M
GPU Base Clock 300 MHz 800 MHz
GPU Boost Clock 2250 MHz 2700 MHz
Shading Units 1024 768
TMUs 64 48
ROPs 32 32
Execution Units 128 12
TGP 28 W 15 W
iGPU FLOPS
4.6 TFLOPS
4.1 TFLOPS

Memory Support

Memory Types - LPDDR5-7467
- LPDDR5x-7467
- DDR5-5600
- DDR5-5600
- LPDDR5x-7500
Max. Memory Size 96 GB 256 GB
Memory Channels 2 2
Max. Memory Bandwidth 89.6 GB/s -
ECC Support No No

Misc

Official Site Intel Core Ultra 7 155H official page AMD Ryzen 7 8840HS official page
PCI Express Version 5.0 4.0
PCI Express Lanes 28 20

Cast your vote

Choose between two processors
116 (32.8%)
238 (67.2%)
Total votes: 354

Comments

So which CPU will you choose: AMD Ryzen 7 8840HS or Intel Core Ultra 7 155H?
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