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Intel Core i5-8305G vs Intel Core i3-8300

Last updated: 2026-06-04

Table of Contents

Summary
Benchmarks
Specifications
User Reviews
Popular Comparisons

Summary

Benchmarks

Performance Overview
Average performance across multiple benchmarks

Single-core performance

Rank 2 - 91 %

Intel Core i5-8305G

Rank 1 - 100 %

Intel Core i3-8300

Multi-core performance

Rank 1 - 100 %

Intel Core i5-8305G

Rank 2 - 93 %

Intel Core i3-8300

Geekbench 6 Single-Core
Single-core performance

4C / 8T · 3.80 GHz

1,245

4C / 4T · 3.70 GHz

1,296

Geekbench 6 Multi-Core
Multi-core performance

4C / 8T · 3.40 GHz

3,861

4C / 4T · 3.70 GHz

3,868

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

4C / 8T · 3.80 GHz

902

4C / 4T · 3.70 GHz

1,040

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

4C / 8T · 3.40 GHz

3,856

4C / 4T · 3.70 GHz

3,425

iGPU - FP32 Performance (Single-precision GFLOPS)

AMD Radeon RX Vega M GL

2,588

Intel UHD Graphics 630

442

Cinebench R15 (Single-Core)
Single-core performance

4C / 8T · 3.80 GHz

162 cb

4C / 4T · 3.70 GHz

158 cb

Cinebench R15 (Multi-Core)
Multi-core performance

4C / 8T · 3.40 GHz

762 cb

4C / 4T · 3.70 GHz

633 cb

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

3DMark Timespy (iGPU)
534 entries

PassMark CPU-Mark
2,504 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 i5-8305G	Intel Core i3-8300
Family	Intel Core i5 (336)	Intel Core i3 (205)
CPU group	Intel Core i 8000G (5)	Intel Core i 8000 (20)
Architecture	Kaby Lake G Refresh	Coffee Lake S
Technology	14 nm	14 nm
Segment	Notebook	Desktop
Socket	BGA 2270	LGA 1151-2
Predecessor		Intel Core i3-7300
Successor		Intel Core i3-9300

CPU Cores and Base Frequency

Wischen	Intel Core i5-8305G	Intel Core i3-8300
CPU Cores / Threads	4 / 8	4 / 4
Hyperthreading / SMT	✓	✗
Core architecture	normal	normal
Cores:	4x	4x
Frequency:	2.80 GHz	3.70 GHz
Turbo (1 Core):	3.80 GHz
Turbo (All Cores):	3.40 GHz
L2-Cache
L3-Cache	6.00 MB	6.00 MB
Overclocking	✗	✗

Integrated graphics (iGPU)

Wischen	Intel Core i5-8305G	Intel Core i3-8300
GPU name	AMD Radeon RX Vega M GL	Intel UHD Graphics 630
GPU frequency	0.93 - 1.01 GHz	0.35 - 1.15 GHz
CUs / Shader	20 / 1280	24 / 192
Raytracing	✗	✗
Max. displays	6	3
Max. GPU Memory	4 GB	64 GB
Technology	14 nm	14 nm
Release date	Q1/2018	Q4/2017

NPU AI performance

Wischen	Intel Core i5-8305G	Intel Core i3-8300
AI hardware
AI specifications
NPU + CPU + iGPU

Memory & PCIe

Wischen	Intel Core i5-8305G	Intel Core i3-8300
Memory	DDR4-2400 (38.4 GB/s)	DDR4-2400 (38.4 GB/s)
Max. Memory	64 GB	64 GB
Memory channels	2	2
ECC	No	Yes
PCIe	3.0 x 8	3.0 x 16
PCIe Bandwidth	7.9 GB/s	15.8 GB/s

Thermal Management

Wischen	Intel Core i5-8305G	Intel Core i3-8300
TDP	65 W	62 W
TDP (PL2)
TDP up
TDP down
T. junction max.		100 °C

Technical details

Wischen	Intel Core i5-8305G	Intel Core i3-8300
Chip design	Monolithic	Monolithic
AES-NI	✓	✓
Operating systems	Windows 10, Windows 11, Linux	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, AVX2
Release date	Q1/2018	Q4/2017
Release price		125 $
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 i5-8305G is 4.5 stars (2 ratings), while Intel Core i3-8300 has received 4.8 stars (5 ratings).

Click on the stars to rate one or both processors.

Intel Core i5-8305G
4C / 8T · 2.80 - 3.80 GHz

★★★★★

Intel Core i3-8300
4C / 4T · 3.70 GHz

★★★★★