Intel Core i5 9400F vs i3 9100F

VS

Intel Core i5 9400F

Intel Core i3 9100F

We compared two desktop CPUs: the 2.9 GHz Intel Core i5 9400F with 6-cores against the 3.6 GHz i3 9100F with 4-cores. On this page, you’ll find out which processor has better performance in benchmarks, games and other useful information.

Key Differences

What are the key differences between 9100F and 9400F

Advantages of Intel Core i5 9400F

• Supports up to 128 GB DDR4-2666 RAM

• Has 2 more physical cores

• Has 3 MB larger L3 cache size

• Around 4.1 GB/s (11%) higher theoretical memory bandwidth

Advantages of Intel Core i3 9100F

• 2% higher Turbo Boost frequency (4.2 GHz vs 4.1 GHz)

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Specifications

Full technical specification of Intel Core i5 9400F and i3 9100F

General

Vendor
Intel
Intel

Released
January 7, 2019
April 23, 2019

Type
Desktop
Desktop

instruction set
x86-64
x86-64

Codename
Coffee Lake
Coffee Lake

Model number
i5-9400F
i3-9100F

Integrated GPU
No
No

CPU

Performance Cores

P-Cores
6
4

P-Threads
6
4

Base Frequency (P)
2.9 GHz
3.6 GHz

Turbo Boost Frequency (P)
4.1 GHz
4.2 GHz

Total

Total Cores
6
4

Total Threads
6
4

Bus Frequency
100 MHz
100 MHz

Multiplier
29x
36x

Bus Bandwidth
8 GT/s
8 GT/s

L1 Cache
64K (per core)
64K (per core)

L2 Cache
256K (per core)
256K (per core)

L3 Cache
9MB (shared)
6MB (shared)

Unlocked Multiplier
No
No

Package

Fabrication process
14 nm
14 nm

Socket
LGA-1151
LGA-1151

TDP
65 W
65 W

Peak temperature
100°C
100°C

Memory Support

Memory types
DDR4-2666
DDR4-2400

Memory Size
128 GB
64 GB

Max. Memory Channels
2
2

Max. Memory Bandwidth
41.6 GB/s
37.5 GB/s

ECC Support
No
Yes

Misc

Official site
Intel Core i5 9400F official page
Intel Core i3 9100F official page

PCI Express Version
3.0
3.0

PCI Express Lanes
16
16

Extended instructions
SSE4.1, SSE4.2, AVX-2
SSE4.1, SSE4.2, AVX-2

Cast your vote

Choose between two processors

Core i5 9400F

214

(49.8%)

Core i3 9100F

216

(50.2%)

Total votes: 430