Home > CPU Comparison > Core Ultra 9 285HX or Core i9 13900HX: what's better?

Intel Core Ultra 9 285HX vs i9 13900HX

82 out of 100
Intel Core Ultra 9 285HX
VS
68 out of 100
Intel Core i9 13900HX
Intel Core Ultra 9 285HX
Intel Core i9 13900HX

We compared two 24-core laptop CPUs: the 2.8 GHz Intel Core Ultra 9 285HX against the 2.2 GHz i9 13900HX. On this page, you'll find out which processor has better performance in benchmarks, games and other useful information.

  1. Review
  2. Differences
  3. Performance
  4. Specs
  5. Comments

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 13900HX and 285HX
Advantages of Intel Core Ultra 9 285HX
  • More modern manufacturing process – 3 versus 10 nanometers
  • More powerful Arc Graphics (4-Cores) integrated graphics: 2 vs 0.8 TFLOPS
  • Newer - released 2 years and 1 month later
  • Supports up to 256 GB DDR5-6400 RAM
  • Around 12.8 GB/s (14%) higher theoretical memory bandwidth
  • 2% higher Turbo Boost frequency (5.5 GHz vs 5.4 GHz)

Test in Benchmarks

Comparing the performance of CPUs across various tasks
CPU:
Core Ultra 9 285HX
vs
Core i9 13900HX

Cinebench

Reputable cross-platform benchmark for high-performance processors
Cinebench 2024 (Single)
Cinebench 2024 (Multi)
Cinebench Scores (13th and 49th place)
Submit your benchmark results

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 1540 MB/sec 1330 MB/sec
Clang compilation 227 Klines/sec 167.1 Klines/sec
HTML 5 Browser 483.8 pages/sec 411.6 pages/sec
PDF Renderer 592.1 Mpixels/sec 473.4 Mpixels/sec
Text processing 350.1 pages/sec 281.2 pages/sec
Background blur 90.1 images/sec 54.2 images/sec
Photo processing 161.3 images/sec 129.9 images/sec
Ray tracing 50.5 Mpixels/sec 35.7 Mpixels/sec
Sources: GeekBench [1], [2] – 1097 samples

PassMark

Synthetic test that focuses on raw computational performance for low-level functions
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
Integer math 154.3 GOps/sec 151 GOps/sec
Floating point math 193.9 GOps/sec 106.8 GOps/sec
Find prime numbers 457M Primes/sec 184M Primes/sec
Random string sorting 76.7M Strings/sec 57.1M Strings/sec
Data encryption 48.3 GBytes/sec 30.9 GBytes/sec
Data compression 628.2 MBytes/sec 511.7 MBytes/sec
Physics 3444 Frames/sec 2532 Frames/sec
Extended instructions 48.8B Matrices/sec 29.4B Matrices/sec
Sources: PassMark [3], [4] – 821 & 4223 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 40.7 PPW 31.6 PPW
Geekbench 6 Multi / Watt 382.6 PPW 307.6 PPW
Passmark CPU Mark / Watt 1028.2 PPW 754.6 PPW
Blender / Watt 9.47 PPW 6.47 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 285HX
DateBenchmarkResult
πŸ“˜ 2025-04-19 (bikerboy80)Cinebench 2024126 / 2240
πŸ“˜ 2025-04-19 (bikerboy85)Cinebench 2024126 / 2240
Add View all (2)
Intel Core i9 13900HX
DateBenchmarkResult
πŸ“˜ 2025-10-01 (lubby)Cinebench 2024115 / 1737
πŸ“˜ 2025-04-12 (Mos)Cinebench 2024103 / 1014
πŸ“˜ 2024-08-11 (Guest #2)Cinebench 2024117 / 1580
Add View all (3)

Specifications

Full technical specification of Intel Core Ultra 9 285HX and i9 13900HX

General

Vendor Intel Intel
Released January 6, 2025 January 3, 2023
Type Laptop Laptop
Instruction Set x86-64 x86-64
Codename Arrow Lake Raptor Lake
Model number 285HX i9-13900HX
Integrated GPU Arc Graphics (4-Cores) UHD Graphics (32EU)
Rival Equivalent - AMD Ryzen 9 9955HX - AMD Ryzen 9 7845HX
Successor - - Intel Core Ultra 9 285HX
Intel CPU rating (12th and 52nd place)

CPU

Performance Cores
P-Cores 8 8
P-Threads 8 16
Base Frequency (P) 2.8 GHz 2.2 GHz
Turbo Boost Frequency (P) 5.5 GHz 5.4 GHz
Efficient Cores
E-Cores 16 16
E-Threads 16 16
Base Frequency (E) 2.1 GHz 1.6 GHz
Turbo Boost Frequency (E) 4.6 GHz 3.9 GHz
Total
Total Cores 24 24
Total Threads 24 32
Bus Frequency 100 MHz 100 MHz
Multiplier 28x 22x
L1 Cache 192K (per core) 80K (per core)
L2 Cache 2MB (per core) 2MB (per core)
L3 Cache 36MB (shared) 36MB (shared)
Unlocked Multiplier Yes Yes

Package

Fabrication Process 3 nm 10 nm
TDP (PL1) 45-55 W (configurable) 45-55 W (configurable)
Max. Boost TDP (PL2) 160 W 157 W
Socket FCBGA-2114 BGA-1964
Peak Temperature 105Β°C 100Β°C
Laptop processors ranking (19th and 63rd place)

iGPU

Integrated Graphics Arc Graphics (4-Cores) Intel UHD Graphics (32EU)
GPU Base Clock 300 MHz 300 MHz
GPU Boost Clock 2000 MHz 1650 MHz
Shading Units 512 256
TMUs 32 16
ROPs 16 8
Execution Units 64 32
TGP 14 W 15 W
iGPU FLOPS
Core Ultra 9 285HX +150%
2 TFLOPS
Core i9 13900HX
0.8 TFLOPS
More info: UHD Graphics Xe (32 EU) compared to Arc iGPU (4-Cores)

Memory Support

Memory Types - DDR5-6400 - DDR5-5600
- DDR4-3200
Max. Memory Size 256 GB 192 GB
Memory Channels 2 2
Max. Memory Bandwidth 102.4 GB/s 89.6 GB/s
ECC Support Yes Yes

Misc

Official Site Intel Core Ultra 9 285HX official page Intel Core i9 13900HX official page
PCI Express Version 5.0 5.0
PCI Express Lanes 24 20

Cast your vote

Choose between two processors
5 (62.5%)
3 (37.5%)
Total votes: 8

Competitors

1. Intel Core Ultra 9 285HX vs Intel Core Ultra 9 275HX
2. Intel Core Ultra 9 285HX vs AMD Ryzen AI Max+ Pro 395 (2)
3. Intel Core Ultra 9 285HX vs AMD Ryzen 9 9955HX3D (12)
4. Intel Core Ultra 9 285HX vs Intel Core i9 14900HX (4)
5. Intel Core Ultra 9 285HX vs AMD Ryzen 9 9955HX
6. Intel Core i9 13900HX vs Intel Core i7 14700HX
7. Intel Core i9 13900HX vs AMD Ryzen 7 8845HS
8. Intel Core i9 13900HX vs Intel Core i9 14900HX (2)
9. Intel Core i9 13900HX vs AMD Ryzen 9 7845HX
10. Intel Core i9 13900HX vs Intel Core Ultra 9 185H
Compare other CPUs (460+)

Comments

So which CPU will you choose: Intel Core i9 13900HX or Ultra 9 285HX?
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