Home > CPU Comparison > Core Ultra 9 290HX Plus or Core Ultra 9 285K: what's better?

Intel Core Ultra 9 290HX Plus vs Ultra 9 285K

86 out of 100
Intel Core Ultra 9 290HX Plus
VS
87 out of 100
Intel Core Ultra 9 285K
Intel Core Ultra 9 290HX Plus
Intel Core Ultra 9 285K

We compared two 24-core CPUs: the 2.7 GHz Intel Core Ultra 9 290HX Plus (laptop) against the 3.7 GHz Ultra 9 285K (desktop). 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
The "iGPU" and "Power Efficiency" have a minor impact on the NanoReview Score for desktop CPU.
NanoReview Final Score
Choose your main usage scenario to recalculate the Final Score and see which CPU suits your needs.
🔌 Usage Scenario:

Value for money (Beta)

Global average CPU prices are used by default! For better accuracy, enter your current prices and click “Calculate".
Currency
VS

Key Differences

What are the key differences between 285K and Plus
Advantages of Intel Core Ultra 9 290HX Plus
  • Newer - released 1 year and 4 months later
  • Supports up to 256 GB DDR5-6400 RAM

Test in Benchmarks

Comparing the performance of CPUs across various tasks
CPU:
Core Ultra 9 290HX Plus
vs
Core Ultra 9 285K

Cinebench

Reputable cross-platform benchmark for high-performance processors
Cinebench 2024 (Single)
Cinebench 2024 (Multi)
Cinebench 2026 (Single) 588 -
Cinebench 2026 (Multi) 9708 -
Cinebench Scores (8th and 11th 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 1660 MB/sec 1560 MB/sec
Clang compilation 217.2 Klines/sec 242.2 Klines/sec
HTML 5 Browser 495.3 pages/sec 479.5 pages/sec
PDF Renderer 584.4 Mpixels/sec 622.1 Mpixels/sec
Text processing 342.8 pages/sec 371.2 pages/sec
Background blur 84 images/sec 95.4 images/sec
Photo processing 160.2 images/sec 164.2 images/sec
Ray tracing 46.4 Mpixels/sec 52.3 Mpixels/sec
Sources: GeekBench [1], [2]

PassMark

Synthetic test that focuses on raw computational performance for low-level functions
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
Integer math 165.3 GOps/sec 172.3 GOps/sec
Floating point math 201.5 GOps/sec 224.2 GOps/sec
Find prime numbers 514M Primes/sec 542M Primes/sec
Random string sorting 80M Strings/sec 94.9M Strings/sec
Data encryption 50 GBytes/sec 57.7 GBytes/sec
Data compression 656.5 MBytes/sec 789.7 MBytes/sec
Physics 3361 Frames/sec 3933 Frames/sec
Extended instructions 51B Matrices/sec 62.3B Matrices/sec
Sources: PassMark [3], [4] – 165 & 8455 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 44.2 PPW 18.1 PPW
Geekbench 6 Multi / Watt 392.4 PPW 184.8 PPW
Passmark CPU Mark / Watt 1077.7 PPW 537.8 PPW
Blender / Watt - 4.44 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 290HX Plus
No benchmark results yet
Add
Intel Core Ultra 9 285K
DateBenchmarkResult
📘 2026-06-17 (Olafur Torfi)Cinebench 2024142 / 2242
📘 2026-02-01 (aDamatGeek)Cinebench 2024142 / 2383
📘 2026-01-29 (GeneralJeep)Geekbench 6 CPU3134 / 21707
📘 2025-12-31 (Szymon919191)Cinebench 2024141 / 2261
📘 2025-12-26 (Bill)Geekbench 6 CPU3207 / 22197
Add View all (14)

Specifications

Full technical specification of Intel Core Ultra 9 290HX Plus and Ultra 9 285K

General

Vendor Intel Intel
Released January 17, 2026 October 11, 2024
Type Laptop Desktop
Instruction Set x86-64 x86-64
Codename Arrow Lake Arrow Lake
Model number 290HX+ 285K
Integrated GPU Arc Graphics (4-Cores) Arc iGPU (4-Cores)
Rival Equivalent - - AMD Ryzen 9 9950X
Intel CPU rating (4th and 3rd place)

CPU

Performance Cores
P-Cores 8 8
P-Threads 8 8
Base Frequency (P) 2.7 GHz 3.7 GHz
Turbo Boost Frequency (P) 5.5 GHz 5.5 GHz
Efficient Cores
E-Cores 16 16
E-Threads 16 16
Base Frequency (E) 1.8 GHz 3.2 GHz
Turbo Boost Frequency (E) 4.7 GHz 4.6 GHz
Total
Total Cores 24 24
Total Threads 24 24
Bus Frequency 100 MHz 100 MHz
Multiplier 27x 37x
L1 Cache 192K (per core) 192K (per core)
L2 Cache 3MB (per core) 3MB (per core)
L3 Cache 36MB (shared) 36MB (shared)
Unlocked Multiplier Yes Yes

Package

Fabrication Process 3 nm 3 nm
TDP (PL1) 45-55 W (configurable) 125 W
Max. Boost TDP (PL2) 160 W 250 W
Socket FCBGA-2114 FCLGA-1851
Peak Temperature 105°C 105°C
Desktop CPU ranking (#8th place)

iGPU

Integrated Graphics Arc Graphics (4-Cores) Intel Arc iGPU (4-Cores)
GPU Base Clock 300 MHz 300 MHz
GPU Boost Clock 2000 MHz 2000 MHz
Shading Units 512 512
TMUs 32 32
ROPs 16 16
Execution Units 64 64
TGP 14 W 14 W
iGPU FLOPS
See: Intel Arc iGPU (4-Cores) benchmarks

Memory Support

Memory Types - DDR5-6400 - DDR5-6400
Max. Memory Size 256 GB 192 GB
Memory Channels 2 2
Max. Memory Bandwidth 102.4 GB/s 102.4 GB/s
ECC Support No Yes

Misc

Official Site Intel Core Ultra 9 290HX Plus official page Intel Core Ultra 9 285K official page
PCI Express Version 5.0 5.0
PCI Express Lanes 24 24

Cast your vote

Choose between two processors
2 (50%)
2 (50%)
Total votes: 4

Competitors

1. Intel Core Ultra 9 290HX Plus vs Apple M4 Ultra
2. Intel Core Ultra 9 290HX Plus vs Intel Core Ultra 9 275HX (5)
3. Intel Core Ultra 9 290HX Plus vs Apple M5 Pro (15-Core)
4. Intel Core Ultra 9 290HX Plus vs Intel Core Ultra 7 270HX Plus
5. Intel Core Ultra 9 290HX Plus vs AMD Ryzen 9 9955HX
6. Intel Core Ultra 9 285K vs Intel Core Ultra 7 265K (2)
7. Intel Core Ultra 9 285K vs Intel Core i9 14900KS (8)
8. Intel Core Ultra 9 285K vs AMD Ryzen 9 9950X (35)
9. Intel Core Ultra 9 285K vs Intel Core i9 14900K (8)
10. Intel Core Ultra 9 285K vs Intel Core i7 14700K
Compare other CPUs (460+)

Comments

So which CPU will you choose: Intel Core Ultra 9 285K or Ultra 9 290HX Plus?
🌐 Register your profile and become part of NanoReview community!
EnglishРусский