Home Comparison Intel Core i5 6400 vs Intel Core i9 11900T

Intel Core i5 6400 vs Intel Core i9 11900T

Intel Core i5 6400
VS
Intel Core i9 11900T
Intel Core i5 6400
Intel Core i9 11900T
We compared two desktop CPUs: Intel Core i5 6400 with 4 cores 2.7GHz and Intel Core i9 11900T with 8 cores 1.5GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Core i5 6400 's Advantages
Higher base frequency (2.7GHz vs 1.5GHz)
Intel Core i9 11900T 's Advantages
Released 5 years and 6 months late
Higher specification of memory (3200 vs 2133)
Larger memory bandwidth (50GB/s vs 34.1GB/s)
Newer PCIe version (4.0 vs 3.0)
Larger L3 cache size (16MB vs 6MB)
Lower TDP (35W vs 65W)

Score

Benchmark

Cinebench R23 Single Core
Intel Core i5 6400
898
Intel Core i9 11900T +71%
1538
Cinebench R23 Multi Core
Intel Core i5 6400
3214
Intel Core i9 11900T +269%
11874
Geekbench 6 Single Core
Intel Core i5 6400
1143
Intel Core i9 11900T +92%
2198
Geekbench 6 Multi Core
Intel Core i5 6400
3312
Intel Core i9 11900T +186%
9505
Geekbench 5 Single Core
Intel Core i5 6400
853
Intel Core i9 11900T +100%
1709
Geekbench 5 Multi Core
Intel Core i5 6400
2805
Intel Core i9 11900T +194%
8272
Passmark CPU Single Core
Intel Core i5 6400
1961
Intel Core i9 11900T +69%
3319
Passmark CPU Multi Core
Intel Core i5 6400
5151
Intel Core i9 11900T +254%
18237
Intel Core i5 6400
VS
Intel Core i9 11900T

General Parameters

Sep 2015
Release Date
Mar 2021
Intel
Manufacturer
Intel
Desktop
Type
Desktop
x86-64
Instruction Set
x86-64
Skylake
Core Architecture
Rocket Lake
i5-6400
Processor Number
i9-11900T
LGA-1151
Socket
LGA-1200
HD Graphics 530
Integrated Graphics
UHD Graphics 750

Package

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

CPU Performance

4
Performance Cores
8
4
Performance Core Threads
16
2.7 GHz
Performance Core Base Frequency
1.5 GHz
3.3 GHz
Performance Core Turbo Frequency
4.9 GHz
4
Total Core Count
8
4
Total Thread Count
16
100 MHz
Bus Frequency
100 MHz
27x
Multiplier
15x
64 K per core
L1 Cache
64 K per core
256 K per core
L2 Cache
512 K per core
6 MB shared
L3 Cache
16 MB shared
No
Unlocked Multiplier
No

Memory Parameters

DDR4-2133, DDR3L-1600
Memory Types
DDR4-3200
64 GB
Max Memory Size
128 GB
2
Max Memory Channels
2
34.1 GB/s
Max Memory Bandwidth
50 GB/s
No
ECC Memory Support
No

Graphics Card Parameters

true
Integrated Graphics
true
-
GPU Base Frequency
300 MHz
950 MHz
GPU Max Dynamic Frequency
1300 MHz
-
Shader Units
256
-
Texture Units
64
-
Raster Operation Units
32
-
Execution Units
32
-
Power Consumption
15 W
-
Max Resolution
3840x2160 - 60 Hz
-
Graphics Performance
0.46 TFLOPS

Miscellaneous

Intel Core i5 6400
Official Website
Intel Core i9 11900T
3.0
PCIe Version
4.0
16
PCIe Lanes
20
SSE4.1, SSE4.2, AVX-2
Extended Instruction Set
-

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