Intel Core Ultra 9 285K vs Intel Core Ultra X9 388H

Compared 2 processors: Intel Core Ultra 9 285K, vs Intel Core Ultra X9 388H. Below are specs, tests, pros and cons for each device

Review

Key Specs Intel Core Ultra 9 285K and Intel Core Ultra X9 388H
Single-Thread Perf.
Single-Core Benchmark Score
Multi-Thread Perf.
Multi-Core Benchmark Score
Energy Efficiency
Chip Power Efficiency
Integrated Graphics
iGPU Performance in Games & 3D
NanoReview Score
Overall score by NanoReview

Tests & specs

Specs & test comparison

Benchmarks

CPU performance comparison across tasks
Cinebench R23
Cinebench R23 (Single-Core)
Intel Core Ultra 9 285K
2320
Intel Core Ultra X9 388H
n/a
Cinebench R23 (Multi-Core)
Intel Core Ultra 9 285K
41558
Intel Core Ultra X9 388H
n/a
Cinebench 2024
Cinebench 2024 (Single-Core)
Intel Core Ultra 9 285K
142
Intel Core Ultra X9 388H
130
Cinebench 2024 (Single-Core)
Intel Core Ultra 9 285K
2359
Intel Core Ultra X9 388H
1324
PassMark
PassMark CPU (Single-Core)
Intel Core Ultra 9 285K
5100
Intel Core Ultra X9 388H
n/a
PassMark CPU (Multi-Core)
Intel Core Ultra 9 285K
68035
Intel Core Ultra X9 388H
n/a
Integer Math174.1 GOps/s90.6 GOps/s
Floating-Point Math227 GOps/s112.3 GOps/s
Prime Number Search549 M primes/s381 M primes/s
Random String Sort96.3 M strings/s48.7 M strings/s
Data Encryption58.6 GB/s30 GB/s
Data Compression799.2 MB/s392.3 MB/s
Physics4081 frames/s3460 frames/s
Extended Instructions626 M matrices/s329 M matrices/s
GeekBench v6
Geekbench 6 (Single-Core)
Intel Core Ultra 9 285K
3379
Intel Core Ultra X9 388H
n/a
Geekbench 6 (Multi-Core)
Intel Core Ultra 9 285K
23095
Intel Core Ultra X9 388H
n/a
File Compression1560 MB/s1490 MB/s
Clang Compilation242.2 KLines/s141.1 KLines/s
HTML5 Browser479.5 pages/s477.4 pages/s
PDF Rendering622.1 MP/sec539.5 MP/sec
Text Processing371.2 pages/s323.1 pages/s
Background Blur95.4 frames/s61.5 frames/s
Photo Processing164.2 frames/s177.3 frames/s
Ray Tracing52.3 MP/sec28.4 MP/sec

Blender

Real-world 3D modeling test
Blender CPU
Intel Core Ultra 9 285K
558.81
Intel Core Ultra X9 388H
297.18

Performance/Watt

Points per watt of PL1 TDP
Geekbench 6 Multi / W 184.8 PPW 701.8 PPW
PassMark CPU / W 544.3 PPW 1452.7 PPW
Cinebench 2024 / W 18.9 PPW 53 PPW
Blender / W 4.47 PPW 11.89 PPW

General Info

Manufacturer Intel Intel
Announced October, 11, 2024 January, 5, 2026
Type PC use Laptop use
Architecture x86-64 x86-64
Codename Arrow Lake Panther Lake
Model number 285K 388H
Integrated GPU Arc iGPU (4-Cores) Arc B390

Processor

Performance cores
Cores 8 4
Threads 8 4
Frequency 3.7 GHz 2.1 GHz
Max Frequency (Turbo) 5.5 GHz 5.1 GHz
Efficiency cores
Cores1612
Threads1612
Frequency3.2 GHz1.6 GHz
Max Frequency (Turbo)4.6 GHz4 GHz
General
Cores count2416
Threads count2416
Bus frequency100 MHz100 MHz
Multiplier37x21x
L1 cache112 KB/core192 KB/core
L2 cache3000 KB/core2560 KB/core
L3 Cache36 MB total18 MB total
Unlocked multiplierYesNo

Package

Process tech. 3 nm 2 nm
Power (TDP) 125 W 15-25 W
Max TDP (Boost) 250 W 80 W
Socket FCLGA-1851 FCBGA2540
Critical temp. 105 °C 100 °C

Memory Support

Memory Type DDR5-6400 LPDDR5X-9600
Max Size 192 GB 96 GB
Channels 2 2
ECC support Yes No
Max memory bandwidth n/a 153.6 GB

Other

PCIe Version 5.0 5.0
Max PCIe Lanes 24 12

Results

After analyzing the data, we consider Intel Core Ultra 9 285K the clear winner in this comparison.

Survey

Which CPU would you pick?
0 (0%)
0 (0%)
Total Votes: 0

User comments

Share your opinion or ask questions below