Intel Core Ultra 9 185H vs i9 12900H

We compared two laptop CPUs: the 2.3 GHz Intel Core Ultra 9 185H with 16-cores against the 2.5 GHz i9 12900H with 14-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 12900H and 185H
Advantages of Intel Core Ultra 9 185H
  • More powerful Arc Graphics (8-Cores) integrated graphics: 4.8 vs 2.2 TFLOPS
  • Newer - released 1 year and 11 months later
  • Supports up to 96 GB LPDDR5-7467 RAM
  • More modern manufacturing process – 7 versus 10 nanometers
  • Newer PCI Express version – 5.0
  • More than 10Β° C higher critical temperature
  • Has 2 more physical cores
  • 2% higher Turbo Boost frequency (5.1 GHz vs 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)
Cinebench Scores (156th and 157th 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 1270 MB/sec 898.1 MB/sec
Clang compilation 102.8 Klines/sec 97.6 Klines/sec
HTML 5 Browser 342.7 pages/sec 270 pages/sec
PDF Renderer 389.7 Mpixels/sec 325.3 Mpixels/sec
Text processing 245.1 pages/sec 248.3 pages/sec
Background blur 45.2 images/sec 52.7 images/sec
Photo processing 131.5 images/sec 94.2 images/sec
Ray tracing 23.3 Mpixels/sec 23.8 Mpixels/sec
Sources: GeekBench [1], [2] – 492 & 626 samples

PassMark

Synthetic test that focuses on raw computational performance for low-level functions
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
Integer math 97.4 GOps/sec 91.3 GOps/sec
Floating point math 72.2 GOps/sec 66 GOps/sec
Find prime numbers 123M Primes/sec 104M Primes/sec
Random string sorting 39M Strings/sec 34.4M Strings/sec
Data encryption 19.5 GBytes/sec 18 GBytes/sec
Data compression 334.6 MBytes/sec 308.2 MBytes/sec
Physics 1940 Frames/sec 1700 Frames/sec
Extended instructions 19.9B Matrices/sec 18.4B Matrices/sec
Sources: PassMark [3], [4] – 4148 & 3998 samples

Blender

3D rendering test that measures CPU performance in 3D modeling tasks (uses all cores)
Blender CPU
210.35

Performance Per Watt

Shows the score you get per each watt of PL1 TDP
Cinebench 2024 / Watt 15.2 PPW 21.9 PPW
Geekbench 6 Multi / Watt 209.4 PPW 265.9 PPW
Passmark CPU Mark / Watt 446.1 PPW 591 PPW
Blender / Watt 3.08 PPW 4.67 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 9 185H
DateBenchmarkResult
πŸ“˜ 2025-12-28 (Nicholas)Cinebench 202492 / 795
πŸ“˜ 2024-12-29 (Remembered2U)Cinebench 2024107 / 987
πŸ“˜ 2024-11-03 (Anish)Cinebench 2024103 / 886
πŸ“˜ 2024-10-01 (Guest #3)Cinebench 2024108 / 1088
Intel Core i9 12900H
DateBenchmarkResult
πŸ“˜ 2025-11-21 (Robert L)Cinebench 2024104 / 765
πŸ“˜ 2025-05-02 (Toksik Vegeta)Cinebench 2024107 / 984

Specifications

Full technical specification of Intel Core Ultra 9 185H and i9 12900H

General

Vendor Intel Intel
Released December 14, 2023 January 4, 2022
Type Laptop Laptop
Instruction Set x86-64 x86-64
Codename Meteor Lake Alder Lake
Model number 185H i9-12900H
Integrated GPU Arc Graphics (8-Cores) Iris Xe Graphics (96EU)
Rival Equivalent - AMD Ryzen 9 8945HS - AMD Ryzen 9 6900HS
Successor - Intel Core Ultra 9 288V - Intel Core Ultra 9 288V
Intel CPU rating (83rd and 115th place)

CPU

Performance Cores
P-Cores 6 6
P-Threads 12 12
Base Frequency (P) 2.3 GHz 2.5 GHz
Turbo Boost Frequency (P) 5.1 GHz 5 GHz
Efficient Cores
E-Cores 10 8
E-Threads 10 8
Base Frequency (E) 1.8 GHz 1.8 GHz
Turbo Boost Frequency (E) 3.8 GHz 3.8 GHz
Total
Total Cores 16 14
Total Threads 22 20
Bus Frequency 100 MHz 100 MHz
Multiplier 23x 25x
L1 Cache 112K (per core) 80K (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) 35-65 W (configurable) 35-45 W (configurable)
Max. Boost TDP (PL2) 115 W 115 W
Socket FCBGA-2049 BGA-1744
Peak Temperature 110Β°C 100Β°C
Laptop processors ranking (103rd and 152nd place)

iGPU

Integrated Graphics Arc Graphics (8-Cores) Intel Iris Xe Graphics (96EU)
GPU Base Clock 300 MHz 300 MHz
GPU Boost Clock 2350 MHz 1450 MHz
Shading Units 1024 768
TMUs 64 48
ROPs 32 24
Execution Units 128 96
TGP 28 W 15 W
iGPU FLOPS
4.8 TFLOPS
2.2 TFLOPS

Memory Support

Memory Types - LPDDR5-7467
- LPDDR5x-7467
- DDR5-5600
- DDR5-4800
- DDR4-3200
- LPDDR5-5200
- LPDDR4x-4267
Max. Memory Size 96 GB 64 GB
Memory Channels 2 2
ECC Support No No

Misc

Official Site Intel Core Ultra 9 185H official page Intel Core i9 12900H official page
PCI Express Version 5.0 4.0
PCI Express Lanes 28 28

Cast your vote

Choose between two processors
23 (74.2%)
8 (25.8%)
Total votes: 31

Comments

So which CPU will you choose: Intel Core i9 12900H or Ultra 9 185H?
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