Home Comparison Intel Core i5 8400 vs Intel Core i5 9400T

Intel Core i5 8400 vs Intel Core i5 9400T

Intel Core i5 8400
VS
Intel Core i5 9400T
Intel Core i5 8400
Intel Core i5 9400T
We compared two desktop CPUs: Intel Core i5 8400 with 6 cores 2.8GHz 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 8400 's Advantages
Higher base frequency (2.8GHz vs 1.8GHz)
Intel Core i5 9400T 's Advantages
Released 1 years and 6 months late
Lower TDP (35W vs 65W)

Score

Benchmark

Geekbench 6 Single Core
Intel Core i5 8400 +9%
1298
Intel Core i5 9400T
1185
Geekbench 6 Multi Core
Intel Core i5 8400 +12%
4677
Intel Core i5 9400T
4161
Blender
Intel Core i5 8400 +66%
83
Intel Core i5 9400T
50
Geekbench 5 Single Core
Intel Core i5 8400 +17%
1032
Intel Core i5 9400T
877
Geekbench 5 Multi Core
Intel Core i5 8400 +19%
4611
Intel Core i5 9400T
3859
Passmark CPU Single Core
Intel Core i5 8400 +18%
2387
Intel Core i5 9400T
2019
Passmark CPU Multi Core
Intel Core i5 8400 +19%
9214
Intel Core i5 9400T
7742
Intel Core i5 8400
VS
Intel Core i5 9400T

General Parameters

Oct 2017
Release Date
Apr 2019
Intel
Manufacturer
Intel
Desktop
Type
Desktop
x86-64
Instruction Set
x86-64
Coffee Lake
Core Architecture
Coffee Lake
i5-8400
Processor Number
i5-9400T
LGA-1151
Socket
LGA-1151
UHD Graphics 630
Integrated Graphics
UHD Graphics 630

Package

14 nm
Manufacturing Process
14 nm
65 W
Power Consumption
35 W
100 °C
Peak Operating Temperature
100 °C

CPU Performance

6
Performance Cores
6
6
Performance Core Threads
6
2.8 GHz
Performance Core Base Frequency
1.8 GHz
4 GHz
Performance Core Turbo Frequency
3.4 GHz
6
Total Core Count
6
6
Total Thread Count
6
100 MHz
Bus Frequency
100 MHz
28x
Multiplier
18x
64 K per core
L1 Cache
64 K per core
256 K per core
L2 Cache
256 K per core
9 MB shared
L3 Cache
9 MB shared
No
Unlocked Multiplier
No

Memory Parameters

DDR4-2666
Memory Types
DDR4-2666
128 GB
Max Memory Size
128 GB
2
Max Memory Channels
2
41.6 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
1050 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
0.38 TFLOPS
Graphics Performance
0.38 TFLOPS

Miscellaneous

Intel Core i5 8400
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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