Home > CPU Comparison > Core Ultra 9 285K or Core i9 10900K: what's better?

Intel Core Ultra 9 285K vs i9 10900K

91 out of 100
Intel Core Ultra 9 285K
VS
43 out of 100
Intel Core i9 10900K
Intel Core Ultra 9 285K
Intel Core i9 10900K

We compared two desktop CPUs: the 3.7 GHz Intel Core Ultra 9 285K with 24-cores against the 3.7 GHz i9 10900K with 10-cores. 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.
๐Ÿ”Œ Usage Scenario:

Value for money (Beta)

Global average CPU prices are used by default! For better accuracy, enter your current prices and click โ€œCalculate".
Currency
VS
58.3
(Average)
Value Index
8.1
(Bad)

Key Differences

What are the key differences between 10900K and 285K
Advantages of Intel Core Ultra 9 285K
  • More modern manufacturing process โ€“ 3 versus 14 nanometers
  • More powerful Intel Arc iGPU (4-Cores) integrated graphics: 2 vs 0.5 TFLOPS
  • Newer - released 4 years and 6 months later
  • Has 14 more physical cores
  • Around 56.6 GB/s (124%) higher theoretical memory bandwidth
  • 2x faster in a single-core Geekbench v6 test - 3379 vs 1704 points
  • Has 16 MB larger L3 cache size, helping fully utilize a high-end GPU in gaming
  • Newer PCI Express version โ€“ 5.0
  • Supports up to 192 GB DDR5-6400 RAM
  • 4% higher Turbo Boost frequency (5.5 GHz vs 5.3 GHz)

Test in Benchmarks

Comparing the performance of CPUs across various tasks
CPU:
Core Ultra 9 285K
vs
Core i9 10900K

Cinebench

Reputable cross-platform benchmark for high-performance processors
Cinebench 2024 (Single)
Cinebench 2024 (Multi)
Cinebench Scores (#9th 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 1560 MB/sec 653.7 MB/sec
Clang compilation 242.2 Klines/sec 85.1 Klines/sec
HTML 5 Browser 479.5 pages/sec 187.3 pages/sec
PDF Renderer 622.1 Mpixels/sec 311.4 Mpixels/sec
Text processing 371.2 pages/sec 169 pages/sec
Background blur 95.4 images/sec 44.5 images/sec
Photo processing 164.2 images/sec 71.6 images/sec
Ray tracing 52.3 Mpixels/sec 19.2 Mpixels/sec
Sources: GeekBench [1], [2] โ€“ 901 samples

PassMark

Synthetic test that focuses on raw computational performance for low-level functions
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
Core Ultra 9 285K +202%
67230
Core i9 10900K
22233
Integer math 172.3 GOps/sec 85.3 GOps/sec
Floating point math 224.2 GOps/sec 53.1 GOps/sec
Find prime numbers 542M Primes/sec 62M Primes/sec
Random string sorting 94.9M Strings/sec 46.2M Strings/sec
Data encryption 57.7 GBytes/sec 7.6 GBytes/sec
Data compression 789.7 MBytes/sec 374.1 MBytes/sec
Physics 3933 Frames/sec 1020 Frames/sec
Extended instructions 62.3B Matrices/sec 24.6B Matrices/sec
Sources: PassMark [3], [4] โ€“ 8455 & 4675 samples

Blender

3D rendering test that measures CPU performance in 3D modeling tasks (uses all cores)
Blender CPU
Core Ultra 9 285K +138%
554.43
Core i9 10900K
233.21

Performance Per Watt

Shows the score you get per each watt of PL1 TDP
Cinebench 2024 / Watt 18.1 PPW 5.7 PPW
Geekbench 6 Multi / Watt 184.8 PPW 74.9 PPW
Passmark CPU Mark / Watt 537.8 PPW 177.9 PPW
Blender / Watt 4.44 PPW 1.87 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 285K
DateBenchmarkResult
๐Ÿ“˜ 2026-06-17 (Olafur Torfi)Cinebench 2024142 / 2242
๐Ÿ“˜ 2026-02-01 (aDamatGeek)Cinebench 2024142 / 2383
๐Ÿ“˜ 2026-01-29 (GeneralJeep)GeekBench3134 / 21707
๐Ÿ“˜ 2025-12-31 (Szymon919191)Cinebench 2024141 / 2261
๐Ÿ“˜ 2025-12-26 (Bill)GeekBench3207 / 22197
Add View all (14)
Intel Core i9 10900K
DateBenchmarkResult
๐Ÿ“˜ 2025-11-05 (e)Cinebench 202461 / 714
Add View all (1)

Specifications

Full technical specification of Intel Core Ultra 9 285K and i9 10900K

General

Vendor Intel Intel
Released October 11, 2024 May 1, 2020
Type Desktop Desktop
Instruction Set x86-64 x86-64
Codename Arrow Lake Comet Lake
Model number 285K i9-10900K
Integrated GPU Arc iGPU (4-Cores) UHD Graphics 630
Rival Equivalent - AMD Ryzen 9 9950X - AMD Ryzen 9 5900X
Successor - - Intel Core Ultra 9 285K
Intel CPU rating (#3rd place)

CPU

Performance Cores
P-Cores 8 10
P-Threads 8 20
Base Frequency (P) 3.7 GHz 3.7 GHz
Turbo Boost Frequency (P) 5.5 GHz 5.3 GHz
Efficient Cores
E-Cores 16 -
E-Threads 16 -
Base Frequency (E) 3.2 GHz -
Turbo Boost Frequency (E) 4.6 GHz -
Total
Total Cores 24 10
Total Threads 24 20
Bus Frequency 100 MHz 100 MHz
Multiplier 37x 37x
Bus Bandwidth - 8 GT/s
L1 Cache 192K (per core) 64K (per core)
L2 Cache 3MB (per core) 256K (per core)
L3 Cache 36MB (shared) 20MB (shared)
Unlocked Multiplier Yes Yes

Package

Fabrication Process 3 nm 14 nm
TDP (PL1) 125 W 125 W
Max. Boost TDP (PL2) 250 W -
Socket FCLGA-1851 LGA-1200
Peak Temperature 105ยฐC 100ยฐC
Desktop CPU ranking (7th and 136th place)

iGPU

Integrated Graphics Intel Arc iGPU (4-Cores) Intel UHD Graphics 630
GPU Base Clock 300 MHz 350 MHz
GPU Boost Clock 2000 MHz 1200 MHz
Shading Units 512 192
TMUs 32 24
ROPs 16 3
Execution Units 64 24
TGP 14 W 15 W
iGPU FLOPS
Core Ultra 9 285K +300%
2 TFLOPS
Core i9 10900K
0.5 TFLOPS
More info: UHD Graphics 630 compared to Arc iGPU (4-Cores)

Memory Support

Memory Types - DDR5-6400 - DDR4-2933
Max. Memory Size 192 GB 128 GB
Memory Channels 2 2
Max. Memory Bandwidth 102.4 GB/s 45.8 GB/s
ECC Support Yes No

Misc

Official Site Intel Core Ultra 9 285K official page Intel Core i9 10900K official page
PCI Express Version 5.0 3.0
PCI Express Lanes 24 16

Cast your vote

Choose between two processors
1 (33.3%)
2 (66.7%)
Total votes: 3

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6. Intel Core Ultra 9 285K vs Intel Core i9 14900KS (8)
7. Intel Core Ultra 9 285K vs AMD Ryzen 9 9950X (35)
8. Intel Core Ultra 9 285K vs Intel Core i7 14700K
9. Intel Core Ultra 9 285K vs AMD Ryzen 9 9900X (1)
10. Intel Core Ultra 9 285K vs AMD Ryzen 9 7950X3D (2)
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Comments

So which CPU will you choose: Intel Core i9 10900K or Ultra 9 285K?
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