Home Comparison Intel Core i9 12900T vs Intel Core i5 6400

Intel Core i9 12900T vs Intel Core i5 6400

Intel Core i9 12900T
VS
Intel Core i5 6400
Intel Core i9 12900T
Intel Core i5 6400
We compared two desktop CPUs: Intel Core i9 12900T with 16 cores 1.4GHz and Intel Core i5 6400 with 4 cores 2.7GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Core i9 12900T 's Advantages
Released 6 years and 4 months late
Higher specification of memory (4800 vs 2133)
Larger memory bandwidth (76.8GB/s vs 34.1GB/s)
Newer PCIe version (5 vs 3.0)
Larger L3 cache size (30MB vs 6MB)
More modern manufacturing process (10nm vs 14nm)
Lower TDP (35W vs 65W)
Intel Core i5 6400 's Advantages
Higher base frequency (2.7GHz vs 1.4GHz)

Score

Benchmark

Cinebench R23 Single Core
Intel Core i9 12900T +107%
1865
Intel Core i5 6400
898
Cinebench R23 Multi Core
Intel Core i9 12900T +609%
22804
Intel Core i5 6400
3214
Geekbench 6 Single Core
Intel Core i9 12900T +106%
2362
Intel Core i5 6400
1143
Geekbench 6 Multi Core
Intel Core i9 12900T +273%
12384
Intel Core i5 6400
3312
Blender
Intel Core i9 12900T +212%
153
Intel Core i5 6400
49
Intel Core i9 12900T
VS
Intel Core i5 6400

General Parameters

Jan 2022
Release Date
Sep 2015
Intel
Manufacturer
Intel
Desktop
Type
Desktop
-
Instruction Set
x86-64
Alder Lake-S
Core Architecture
Skylake
-
Processor Number
i5-6400
Intel Socket 1700
Socket
LGA-1151
UHD Graphics 770
Integrated Graphics
HD Graphics 530
Core i9 (Alder Lake-S)
Generation
-

Package

10 nm
Manufacturing Process
14 nm
35 W
Power Consumption
65 W
72 °C
Peak Operating Temperature
-
Intel
Foundry
-
215 mm²
Die Size
-

CPU Performance

8
Performance Cores
4
16
Performance Core Threads
4
1.4 GHz
Performance Core Base Frequency
2.7 GHz
4.9 GHz
Performance Core Turbo Frequency
3.3 GHz
8
Efficiency Cores
-
8
Efficiency Core Threads
-
1000 MHz
Efficiency Core Base Frequency
-
3.6 GHz
Efficiency Core Turbo Frequency
-
16
Total Core Count
4
24
Total Thread Count
4
100 MHz
Bus Frequency
100 MHz
14.0
Multiplier
27x
80 KB per core
L1 Cache
64 K per core
1.25 MB per core
L2 Cache
256 K per core
30 MB shared
L3 Cache
6 MB shared
Yes
Unlocked Multiplier
No
1
SMP
-

Memory Parameters

DDR4-3200, DDR5-4800
Memory Types
DDR4-2133, DDR3L-1600
-
Max Memory Size
64 GB
2
Max Memory Channels
2
76.8 GB/s
Max Memory Bandwidth
34.1 GB/s
No
ECC Memory Support
No

Graphics Card Parameters

true
Integrated Graphics
true
300 MHz
GPU Base Frequency
-
1550 MHz
GPU Max Dynamic Frequency
950 MHz
32
Execution Units
-

Miscellaneous

Intel Core i9 12900T
Official Website
Intel Core i5 6400
5
PCIe Version
3.0
20
PCIe Lanes
16
-
Extended Instruction Set
SSE4.1, SSE4.2, AVX-2

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