Home Comparison Intel Core i9 9940X vs Intel Core i5 10400T

Intel Core i9 9940X vs Intel Core i5 10400T

Intel Core i9 9940X
VS
Intel Core i5 10400T
Intel Core i9 9940X
Intel Core i5 10400T
We compared two desktop CPUs: Intel Core i9 9940X with 14 cores 3.3GHz and Intel Core i5 10400T with 6 cores 2.0GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Core i9 9940X 's Advantages
Larger memory bandwidth (85GB/s vs 41.6GB/s)
Higher base frequency (3.3GHz vs 2.0GHz)
Larger L3 cache size (20MB vs 12MB)
Intel Core i5 10400T 's Advantages
Released 1 years and 7 months late
Integrated graphics card
Lower TDP (35W vs 165W)

Score

Benchmark

Cinebench R23 Single Core
Intel Core i9 9940X +25%
1228
Intel Core i5 10400T
982
Cinebench R23 Multi Core
Intel Core i9 9940X +127%
15351
Intel Core i5 10400T
6739
Geekbench 6 Single Core
Intel Core i9 9940X +10%
1328
Intel Core i5 10400T
1201
Geekbench 6 Multi Core
Intel Core i9 9940X +91%
9787
Intel Core i5 10400T
5107
Geekbench 5 Single Core
Intel Core i9 9940X +29%
1189
Intel Core i5 10400T
921
Geekbench 5 Multi Core
Intel Core i9 9940X +207%
14374
Intel Core i5 10400T
4677
Passmark CPU Single Core
Intel Core i9 9940X +21%
2608
Intel Core i5 10400T
2146
Passmark CPU Multi Core
Intel Core i9 9940X +186%
28355
Intel Core i5 10400T
9901
Intel Core i9 9940X
VS
Intel Core i5 10400T

General Parameters

Oct 2018
Release Date
May 2020
Intel
Manufacturer
Intel
Desktop
Type
Desktop
x86-64
Instruction Set
x86-64
Skylake
Core Architecture
Comet Lake
i9-9940X
Processor Number
i5-10400T
LGA-2066
Socket
LGA-1200
N/A
Integrated Graphics
UHD Graphics 630

Package

14 nm
Manufacturing Process
14 nm
165 W
Power Consumption
25-35 W
88 °C
Peak Operating Temperature
100 °C

CPU Performance

14
Performance Cores
6
28
Performance Core Threads
12
3.3 GHz
Performance Core Base Frequency
2.0 GHz
4.4 GHz
Performance Core Turbo Frequency
3.6 GHz
14
Total Core Count
6
28
Total Thread Count
12
100 MHz
Bus Frequency
100 MHz
33x
Multiplier
20x
64 K per core
L1 Cache
64 K per core
1 MB per core
L2 Cache
256 K per core
20 MB shared
L3 Cache
12 MB shared
Yes
Unlocked Multiplier
No

Memory Parameters

DDR4-2666
Memory Types
DDR4-2666
128 GB
Max Memory Size
128 GB
4
Max Memory Channels
2
85 GB/s
Max Memory Bandwidth
41.6 GB/s
No
ECC Memory Support
No

Graphics Card Parameters

-
Integrated Graphics
true
-
GPU Base Frequency
350 MHz
-
GPU Max Dynamic Frequency
1000 MHz
-
Shader Units
192
-
Texture Units
24
-
Raster Operation Units
3
-
Execution Units
24
-
Power Consumption
15 W
-
Max Resolution
4096x2304 - 60 Hz
-
Graphics Performance
0.38 TFLOPS

Miscellaneous

Intel Core i9 9940X
Official Website
Intel Core i5 10400T
3.0
PCIe Version
3.0
44
PCIe Lanes
16
SSE4.1, SSE4.2, AVX-2, AVX-512
Extended Instruction Set
-

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