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Intel Core i3-8145U vs Intel Atom Z3740

Last updated: 2026-06-03

Table of Contents

Summary
Benchmarks
Specifications
User Reviews
Popular Comparisons

Summary

Benchmarks

Performance Overview
Average performance across multiple benchmarks

Single-core performance

Rank 1 - 100 %

Intel Core i3-8145U

Rank 2 - 15 %

Intel Atom Z3740

Multi-core performance

Rank 1 - 100 %

Intel Core i3-8145U

Rank 2 - 20 %

Intel Atom Z3740

Geekbench 6 Single-Core
Single-core performance

2C / 4T · 3.90 GHz

1,218

4C / 4T · 1.86 GHz

142

Geekbench 6 Multi-Core
Multi-core performance

2C / 4T · 2.80 GHz

2,338

4C / 4T · 1.33 GHz

300

Geekbench 5, 64bit Single-Core
Single-core performance

2C / 4T · 3.90 GHz

1,036

4C / 4T · 1.86 GHz

187

Geekbench 5, 64bit Multi-Core
Multi-core performance

2C / 4T · 2.80 GHz

2,084

4C / 4T · 1.33 GHz

665

iGPU - FP32 Performance (Single-precision GFLOPS)

Intel UHD Graphics 620

384

Intel HD Graphics (Bay Trail GT1)

More benchmarks

Geekbench 6 (SC)
1,989 entries

Geekbench 6 (MC)
1,927 entries

Geekbench 5 (SC)
2,512 entries

Geekbench 5 (MC)
2,483 entries

FP32 SP (iGPU)
2,219 entries

PassMark CPU-Mark
2,504 entries

CPU-Z Benchmark 17 (MC)
751 entries

Cinebench R15 (SC)
1,113 entries

Cinebench R15 (MC)
1,110 entries

Geekbench 3 (SC)
945 entries

Geekbench 3 (MC)
941 entries

Cinebench R11.5 (SC)
826 entries

Cinebench R11.5 (MC)
837 entries

Cinebench R11.5 iGPU
383 entries

Specifications

At a glance

Wischen	Intel Core i3-8145U	Intel Atom Z3740
Family	Intel Core i3 (205)	Intel Atom (108)
CPU group	Intel Core i 8000U (WL) (8)	Intel Atom Z3700 (16)
Architecture	Whiskey Lake U	Bay Trail
Technology	14 nm	22 nm
Segment	Notebook	Notebook
Socket	BGA 1528	BGA 1380
Predecessor
Successor

CPU Cores and Base Frequency

Wischen	Intel Core i3-8145U	Intel Atom Z3740
CPU Cores / Threads	2 / 4	4 / 4
Hyperthreading / SMT	✓	✗
Core architecture	normal	normal
Cores:	2x	4x
Frequency:	2.10 GHz	1.33 GHz
Turbo (1 Core):	3.90 GHz	1.86 GHz
Turbo (All Cores):	2.80 GHz
L2-Cache
L3-Cache	4.00 MB	2.00 MB
Overclocking	✗	✗

Integrated graphics (iGPU)

Wischen	Intel Core i3-8145U	Intel Atom Z3740
GPU name	Intel UHD Graphics 620	Intel HD Graphics (Bay Trail GT1)
GPU frequency	0.30 - 1.00 GHz	0.31 - 0.67 GHz
CUs / Shader	24 / 192	4 / 32
Raytracing	✗	✗
Max. displays	3	2
Max. GPU Memory	16 GB	2 GB
Technology	14 nm	22 nm
Release date	Q3/2016	Q3/2013

NPU AI performance

Wischen	Intel Core i3-8145U	Intel Atom Z3740
AI hardware
AI specifications
NPU + CPU + iGPU

Memory & PCIe

Wischen	Intel Core i3-8145U	Intel Atom Z3740
Memory	DDR4-2400 (38.4 GB/s) LPDDR3-2133 (34.2 GB/s)	LPDDR3-1066 (17.1 GB/s)
Max. Memory	64 GB	4 GB
Memory channels	2	2
ECC	Yes	No
PCIe	3.0 x 16
PCIe Bandwidth	15.8 GB/s

Thermal Management

Wischen	Intel Core i3-8145U	Intel Atom Z3740
TDP	15 W	4 W
TDP (PL2)
TDP up	25 W
TDP down	10 W
T. junction max.	100 °C	90 °C

Technical details

Wischen	Intel Core i3-8145U	Intel Atom Z3740
Chip design	Monolithic	Monolithic
AES-NI	✓	✓
Operating systems	Windows 10, Windows 11, Linux
Instruction set	x86-64 (64 bit)	x86-64 (64 bit)
ISA extensions	SSE4.1, SSE4.2, AVX2	SSE4.1, SSE4.2
Release date	Q3/2018	Q3/2013
Release price	281 $
Documents	Technical data sheet	Technical data sheet

User Reviews

Your rating

Here you can rate one or both of the processors. The average rating of Intel Core i3-8145U is 3.4 stars (25 ratings), while Intel Atom Z3740 has received 1.5 stars (2 ratings).

Click on the stars to rate one or both processors.

Intel Core i3-8145U
2C / 4T · 2.10 - 3.90 GHz

★★★★★

Intel Atom Z3740
4C / 4T · 1.33 - 1.86 GHz

★★★★★