Intel Core i5 1235U vs Intel Core i7 8550U

Compared 2 processors: Intel Core i5 1235U, vs Intel Core i7 8550U. Below are specs, tests, pros and cons for each device

Review

Key Specs Intel Core i5 1235U and Intel Core i7 8550U
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 i5 1235U
1640
Intel Core i7 8550U
979
Cinebench R23 (Multi-Core)
Intel Core i5 1235U
6601
Intel Core i7 8550U
3111
Cinebench 2024
Cinebench 2024 (Single-Core)
Intel Core i5 1235U
98
Intel Core i7 8550U
62
Cinebench 2024 (Single-Core)
Intel Core i5 1235U
368
Intel Core i7 8550U
224
PassMark
PassMark CPU (Single-Core)
Intel Core i5 1235U
3171
Intel Core i7 8550U
2027
PassMark CPU (Multi-Core)
Intel Core i5 1235U
13070
Intel Core i7 8550U
5851
Integer Math49.1 GOps/s20.8 GOps/s
Floating-Point Math46.6 GOps/s12.6 GOps/s
Prime Number Search1211 M primes/s22 M primes/s
Random String Sort17.2 M strings/s9.9 M strings/s
Data Encryption9.4 GB/s1.9 GB/s
Data Compression148.4 MB/s74.5 MB/s
Physics703 frames/s452 frames/s
Extended Instructions82 M matrices/s47 M matrices/s
GeekBench v6
Geekbench 6 (Single-Core)
Intel Core i5 1235U
2089
Intel Core i7 8550U
1209
Geekbench 6 (Multi-Core)
Intel Core i5 1235U
6362
Intel Core i7 8550U
3454
File Compression448.4 MB/s348.3 MB/s
Clang Compilation24.1 KLines/s18.3 KLines/s
HTML5 Browser156 pages/s78.6 pages/s
PDF Rendering128.9 MP/sec102.5 MP/sec
Text Processing206.3 pages/s111.7 pages/s
Background Blur34.7 frames/s18.9 frames/s
Photo Processing54.1 frames/s37 frames/s
Ray Tracing10.5 MP/sec4.42 MP/sec

Blender

Real-world 3D modeling test
Blender CPU
Intel Core i5 1235U
80.33
Intel Core i7 8550U
44.16

Performance/Watt

Points per watt of PL1 TDP
Geekbench 6 Multi / W 424.1 PPW 230.3 PPW
PassMark CPU / W 871.3 PPW 390.1 PPW
Cinebench 2024 / W 24.5 PPW 14.9 PPW
Blender / W 5.36 PPW 2.94 PPW

General Info

Manufacturer Intel Intel
Announced February, 23, 2022 August, 21, 2017
Type Laptop use Laptop use
Architecture x86-64 x86-64
Codename Alder Lake n/a
Model number i5-1235U i7-8550U
Integrated GPU Iris Xe Graphics (80EU) UHD Graphics 620

Processor

Performance cores
Cores 2 4
Threads 4 8
Frequency 1.3 GHz 1.8 GHz
Max Frequency (Turbo) 4.4 GHz 4 GHz
Efficiency cores
Cores8n/a
Threads8n/a
Frequency0.9 GHzn/a
Max Frequency (Turbo)3.3 GHzn/a
General
Cores count104
Threads count128
Bus frequency100 MHz100 MHz
Bandwidthn/a4 GT/s
Multiplier13x18x
L1 cache80 KB/core64 KB/core
L2 cache1280 KB/core256 KB/core
L3 Cache12 MB total8 MB total
Unlocked multiplierNoNo

Package

Process tech. 10 nm 14 nm
Power (TDP) 12-15 W 15 W
Max TDP (Boost) 55 W n/a
Socket BGA-1744 BGA-1356
Critical temp. 100 °C 100 °C

Memory Support

Memory Type - DDR5-4800
- DDR4-3200
- LPDDR5-5200
- LPDDR4x-4267
- DDR4-2400
- LPDDR3-2133
Max Size 64 GB 32 GB
Channels 2 2
ECC support No No
Max memory bandwidth n/a 37.5 GB

Other

PCIe Version 4.0 3.0
Max PCIe Lanes 20 12
Channels n/a 41422

Results

After analyzing the data, we consider Intel Core i5 1235U the clear winner in this comparison.

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