Intel Core Ultra 5 125H vs i9 9900K

We compared two CPUs: the 1.2 GHz Intel Core Ultra 5 125H (laptop) with 14-cores against the 3.6 GHz i9 9900K (desktop) 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
The "iGPU" and "Power Efficiency" have a minor impact on the DeviceFacts Score for desktop CPU.
DeviceFacts Final Score
Choose your main usage scenario to recalculate the Final Score and see which CPU suits your needs.
πŸ”Œ Usage Scenario:

Value for money (Beta)

Global average CPU prices are used by default! For better accuracy, enter your current prices and click β€œCalculate".
Currency
VS
26.5
(Mediocre)
Value Index
11.1
(Bad)

Key Differences

What are the key differences between 9900K and 125H
Advantages of Intel Core Ultra 5 125H
  • More powerful Arc Graphics (7-Cores) integrated graphics: 3.9 vs 0.5 TFLOPS
  • Newer - released 5 years and 3 months later
  • Around 48 GB/s (115%) higher theoretical memory bandwidth
  • More modern manufacturing process – 7 versus 14 nanometers
  • Has 6 more physical cores
  • Newer PCI Express version – 5.0
  • 32% faster in a single-core Geekbench v6 test - 2136 vs 1621 points
  • More than 10Β° C higher critical temperature
Advantages of Intel Core i9 9900K
  • Unlocked multiplier
  • Supports up to 128 GB DDR4-2666 RAM
  • 11% higher Turbo Boost frequency (5 GHz vs 4.5 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)

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 1090 MB/sec 545.7 MB/sec
Clang compilation 78.8 Klines/sec 67.7 Klines/sec
HTML 5 Browser 273.9 pages/sec 175.1 pages/sec
PDF Renderer 321.4 Mpixels/sec 275.6 Mpixels/sec
Text processing 226.1 pages/sec 159 pages/sec
Background blur 42.4 images/sec 40.4 images/sec
Photo processing 103.8 images/sec 68.6 images/sec
Ray tracing 17.6 Mpixels/sec 14.5 Mpixels/sec
Sources: GeekBench [1], [2] – 823 & 610 samples

PassMark

Synthetic test that focuses on raw computational performance for low-level functions
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
20044
Integer math 67.6 GOps/sec 66.1 GOps/sec
Floating point math 49.4 GOps/sec 41 GOps/sec
Find prime numbers 85M Primes/sec 46M Primes/sec
Random string sorting 25.9M Strings/sec 36.1M Strings/sec
Data encryption 13.5 GBytes/sec 6.3 GBytes/sec
Data compression 222.3 MBytes/sec 282.6 MBytes/sec
Physics 1359 Frames/sec 929 Frames/sec
Extended instructions 12.9B Matrices/sec 19B Matrices/sec
Sources: PassMark [3], [4] – 2263 & 17571 samples

Blender

3D rendering test that measures CPU performance in 3D modeling tasks (uses all cores)
Blender CPU
178.22

Performance Per Watt

Shows the score you get per each watt of PL1 TDP
Cinebench 2024 / Watt 25.3 PPW 7.4 PPW
Geekbench 6 Multi / Watt 359.9 PPW 85.8 PPW
Passmark CPU Mark / Watt 715.9 PPW 190.1 PPW
Blender / Watt 4.9 PPW 1.88 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 5 125H
DateBenchmarkResult
πŸ“˜ 2026-07-07 (Dazzy G)Geekbench 6 CPU2266 / 11468
πŸ“˜ 2026-05-25 (SunrayVision)Geekbench 6 CPU2314 / 11107
πŸ“˜ 2026-05-25 (SunrayVision)Cinebench 2024103 / 763
πŸ“˜ 2026-04-05 (Fadaf)Geekbench 6 CPU2221 / 11456
πŸ“˜ 2025-11-30 (ilikememe)Geekbench 6 CPU2201 / 11410
Intel Core i9 9900K
DateBenchmarkResult
πŸ“˜ 2026-01-01 (Mr Scare)Cinebench 202479 / 662
πŸ“˜ 2025-08-09 (EndOfTheWorld77)Cinebench 202478 / 591
πŸ“˜ 2024-03-28 (Gribbstar)Cinebench 202479 / 706

Specifications

Full technical specification of Intel Core Ultra 5 125H and i9 9900K

General

Vendor Intel Intel
Released December 14, 2023 October 8, 2018
Type Laptop Desktop
Instruction Set x86-64 x86-64
Codename Meteor Lake Coffee Lake
Model number 125H i9-9900K
Integrated GPU Arc Graphics (7-Cores) UHD Graphics 630
Rival Equivalent - AMD Ryzen 5 8640HS - AMD Ryzen 9 3900X
Successor - Intel Core Ultra 5 225H - Intel Core Ultra 9 285K
Intel CPU rating (#138th place)

CPU

Performance Cores
P-Cores 4 8
P-Threads 8 16
Base Frequency (P) 1.2 GHz 3.6 GHz
Turbo Boost Frequency (P) 4.5 GHz 5 GHz
Efficient Cores
E-Cores 10 -
E-Threads 10 -
Base Frequency (E) 0.7 GHz -
Turbo Boost Frequency (E) 3.6 GHz -
Total
Total Cores 14 8
Total Threads 18 16
Bus Frequency 100 MHz 100 MHz
Multiplier 12x 36x
Bus Bandwidth - 8 GT/s
L1 Cache 112K (per core) 64K (per core)
L2 Cache 2MB (per core) 256K (per core)
L3 Cache 18MB (shared) 16MB (shared)
Unlocked Multiplier No Yes

Package

Fabrication Process 7 nm 14 nm
TDP (PL1) 20-28 W (configurable) 95 W
Max. Boost TDP (PL2) 115 W -
Socket FCBGA-2049 LGA-1151
Peak Temperature 110Β°C 100Β°C
Desktop CPU ranking (#145th place)

iGPU

Integrated Graphics Arc Graphics (7-Cores) Intel UHD Graphics 630
GPU Base Clock 300 MHz 350 MHz
GPU Boost Clock 2200 MHz 1200 MHz
Shading Units 896 192
TMUs 56 24
ROPs 24 3
Execution Units 112 24
TGP 28 W 15 W
iGPU FLOPS
3.9 TFLOPS
0.5 TFLOPS

Memory Support

Memory Types - LPDDR5-7467
- LPDDR5x-7467
- DDR5-5600
- DDR4-2666
Max. Memory Size 96 GB 128 GB
Memory Channels 2 2
Max. Memory Bandwidth 89.6 GB/s 41.6 GB/s
ECC Support No No

Misc

Official Site Intel Core Ultra 5 125H official page Intel Core i9 9900K official page
PCI Express Version 5.0 3.0
PCI Express Lanes 28 16

Cast your vote

Choose between two processors
3 (100%)
0 (0%)
Total votes: 3

Comments

So which CPU will you choose: Intel Core i9 9900K or Ultra 5 125H?
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