Intel Core i7 8550U vs Intel Core Ultra X7 358H

Compared 2 processors: Intel Core i7 8550U, vs Intel Core Ultra X7 358H. Below are specs, tests, pros and cons for each device

Review

Key Specs Intel Core i7 8550U and Intel Core Ultra X7 358H
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 i7 8550U
979
Intel Core Ultra X7 358H
n/a
Cinebench R23 (Multi-Core)
Intel Core i7 8550U
3111
Intel Core Ultra X7 358H
n/a
Cinebench 2024
Cinebench 2024 (Single-Core)
Intel Core i7 8550U
62
Intel Core Ultra X7 358H
124
Cinebench 2024 (Single-Core)
Intel Core i7 8550U
224
Intel Core Ultra X7 358H
1125
PassMark
PassMark CPU (Single-Core)
Intel Core i7 8550U
2027
Intel Core Ultra X7 358H
n/a
PassMark CPU (Multi-Core)
Intel Core i7 8550U
5851
Intel Core Ultra X7 358H
n/a
Integer Math20.8 GOps/s83.2 GOps/s
Floating-Point Math12.6 GOps/s105.6 GOps/s
Prime Number Search22 M primes/s350 M primes/s
Random String Sort9.9 M strings/s41.8 M strings/s
Data Encryption1.9 GB/s26.7 GB/s
Data Compression74.5 MB/s346.8 MB/s
Physics452 frames/s3055 frames/s
Extended Instructions47 M matrices/s289 M matrices/s
GeekBench v6
Geekbench 6 (Single-Core)
Intel Core i7 8550U
1209
Intel Core Ultra X7 358H
n/a
Geekbench 6 (Multi-Core)
Intel Core i7 8550U
3454
Intel Core Ultra X7 358H
n/a
File Compression348.3 MB/s1350 MB/s
Clang Compilation18.3 KLines/s75.9 KLines/s
HTML5 Browser78.6 pages/s432.9 pages/s
PDF Rendering102.5 MP/sec446.5 MP/sec
Text Processing111.7 pages/s289.4 pages/s
Background Blur18.9 frames/s66 frames/s
Photo Processing37 frames/s152 frames/s
Ray Tracing4.42 MP/sec26.2 MP/sec

Blender

Real-world 3D modeling test
Blender CPU
Intel Core i7 8550U
44.16
Intel Core Ultra X7 358H
281.68

Performance/Watt

Points per watt of PL1 TDP
Geekbench 6 Multi / W 230.3 PPW 675.9 PPW
PassMark CPU / W 390.1 PPW 1358.6 PPW
Cinebench 2024 / W 14.9 PPW 45 PPW
Blender / W 2.94 PPW 11.27 PPW

General Info

Manufacturer Intel Intel
Announced August, 21, 2017 January, 5, 2026
Type Laptop use Laptop use
Architecture x86-64 x86-64
Codename n/a Panther Lake
Model number i7-8550U 358H
Integrated GPU UHD Graphics 620 Arc B390

Processor

Performance cores
Cores 4 4
Threads 8 4
Frequency 1.8 GHz 1.9 GHz
Max Frequency (Turbo) 4 GHz 4.8 GHz
Efficiency cores
Coresn/a12
Threadsn/a12
Frequencyn/a1.5 GHz
Max Frequency (Turbo)n/a3.7 GHz
General
Cores count416
Threads count816
Bus frequency100 MHz100 MHz
Bandwidth4 GT/sn/a
Multiplier18x19x
L1 cache64 KB/core192 KB/core
L2 cache256 KB/core2560 KB/core
L3 Cache8 MB total18 MB total
Unlocked multiplierNoNo

Package

Process tech. 14 nm 2 nm
Power (TDP) 15 W 15-25 W
Max TDP (Boost) n/a 80 W
Socket BGA-1356 FCBGA2540
Critical temp. 100 °C 100 °C

Memory Support

Memory Type - DDR4-2400
- LPDDR3-2133
LPDDR5X-9600
Max Size 32 GB 96 GB
Channels 2 2
ECC support No No
Max memory bandwidth 37.5 GB 153.6 GB

Other

PCIe Version 3.0 5.0
Max PCIe Lanes 12 12
Channels 41422 n/a

Results

After analyzing the data, we consider Intel Core Ultra X7 358H the clear winner in this comparison.

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