Intel Core i5 7400 vs Intel Core i5 9400T

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We compared two desktop CPUs: Intel Core i5 7400 with 4 cores 3.0GHz and Intel Core i5 9400T with 6 cores 1.8GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Core i5 7400 's Advantages

Better graphics card performance

Higher base frequency (3.0GHz vs 1.8GHz)

Intel Core i5 9400T 's Advantages

Released 2 years and 3 months late

Higher specification of memory (DDR4-2666 vs DDR4-2400)

Larger memory bandwidth (41.6GB/s vs 35.76GB/s)

Larger L3 cache size (9MB vs 6MB)

Lower TDP (35W vs 65W)

Score

Benchmark

Geekbench 6 Single Core

Intel Core i5 7400 +2%

1215

Intel Core i5 9400T

1185

Geekbench 6 Multi Core

Intel Core i5 7400

3517

Intel Core i5 9400T +18%

4161

Blender

Intel Core i5 7400

48

Intel Core i5 9400T +29%

62

Geekbench 5 Single Core

Intel Core i5 7400

877

Intel Core i5 9400T

877

Geekbench 5 Multi Core

Intel Core i5 7400

3079

Intel Core i5 9400T +25%

3859

Passmark CPU Single Core

Intel Core i5 7400 +3%

2090

Intel Core i5 9400T

2019

Passmark CPU Multi Core

Intel Core i5 7400

5491

Intel Core i5 9400T +40%

7742

Intel Core i5 7400

VS

Intel Core i5 9400T

General Parameters

Jan 2017

Release Date

Apr 2019

Intel

Manufacturer

Intel

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Kaby Lake

Core Architecture

Coffee Lake

i5-7400

Processor Number

i5-9400T

LGA-1151

Socket

LGA-1151

HD Graphics 630

Integrated Graphics

UHD Graphics 630

Package

14 nm

Manufacturing Process

14 nm

LGA-1151

Socket

LGA-1151

65 W

Power Consumption

35 W

100 °C

Peak Operating Temperature

100 °C

CPU Performance

4

Performance Cores

6

4

Performance Core Threads

6

3.0 GHz

Performance Core Base Frequency

1.8 GHz

3.5 GHz

Performance Core Turbo Frequency

3.4 GHz

4

Total Core Count

6

4

Total Thread Count

6

100 MHz

Bus Frequency

100 MHz

30x

Multiplier

18x

64 K per core

L1 Cache

64 K per core

256 K per core

L2 Cache

256 K per core

6 MB shared

L3 Cache

9 MB shared

No

Unlocked Multiplier

No

Memory Parameters

DDR4-2400, DDR3L-1600

Memory Types

DDR4-2666

64 GB

Max Memory Size

128 GB

2

Max Memory Channels

2

35.76 GB/s

Max Memory Bandwidth

41.6 GB/s

No

ECC Memory Support

No

Graphics Card Parameters

true

Integrated Graphics

true

350 MHz

GPU Base Frequency

350 MHz

1000 MHz

GPU Max Dynamic Frequency

1050 MHz

192

Shader Units

192

24

Texture Units

24

3

Raster Operation Units

3

24

Execution Units

24

15 W

Power Consumption

15 W

4096x2304 - 60 Hz

Max Resolution

4096x2304 - 60 Hz

0.44 TFLOPS

Graphics Performance

0.38 TFLOPS

Miscellaneous

Intel Core i5 7400

Official Website

Intel Core i5 9400T

3.0

PCIe Version

3.0

16

PCIe Lanes

16

SSE4.1, SSE4.2, AVX-2

Extended Instruction Set

SSE4.1, SSE4.2, AVX-2

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