Intel Core i9 12900E vs Intel Core i5 9400T
We compared two desktop CPUs: Intel Core i9 12900E with 16 cores 2.3GHz 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 i9 12900E 's Advantages
Released 2 years and 9 months late
Higher specification of memory (4800 vs 2666)
Larger memory bandwidth (76.8GB/s vs 41.6GB/s)
Newer PCIe version (5 vs 3.0)
Higher base frequency (2.3GHz vs 1.8GHz)
Larger L3 cache size (30MB vs 9MB)
More modern manufacturing process (10nm vs 14nm)
Score
Benchmark
Geekbench 6 Single Core
Intel Core i9 12900E
+46%
1735
Intel Core i5 9400T
1185
Geekbench 6 Multi Core
Intel Core i9 12900E
+149%
10366
Intel Core i5 9400T
4161
General Parameters
Jan 2022
Release Date
Apr 2019
Intel
Manufacturer
Intel
Desktop
Type
Desktop
-
Instruction Set
x86-64
Alder Lake-S
Core Architecture
Coffee Lake
-
Processor Number
i5-9400T
Intel Socket 1700
Socket
LGA-1151
UHD Graphics 770
Integrated Graphics
UHD Graphics 630
Core i9 (Alder Lake-S)
Generation
-
Package
10 nm
Manufacturing Process
14 nm
35 W
Power Consumption
35 W
72 °C
Peak Operating Temperature
100 °C
Intel
Foundry
-
215 mm²
Die Size
-
CPU Performance
8
Performance Cores
6
16
Performance Core Threads
6
2.3 GHz
Performance Core Base Frequency
1.8 GHz
5.0 GHz
Performance Core Turbo Frequency
3.4 GHz
8
Efficiency Cores
-
8
Efficiency Core Threads
-
1.7 GHz
Efficiency Core Base Frequency
-
3.8 GHz
Efficiency Core Turbo Frequency
-
16
Total Core Count
6
24
Total Thread Count
6
100 MHz
Bus Frequency
100 MHz
23
Multiplier
18x
80 KB per core
L1 Cache
64 K per core
14 MB
L2 Cache
256 K per core
30 MB
L3 Cache
9 MB shared
Yes
Unlocked Multiplier
No
1
SMP
-
Memory Parameters
DDR4-3200, DDR5-4800
Memory Types
DDR4-2666
-
Max Memory Size
128 GB
2
Max Memory Channels
2
76.8 GB/s
Max Memory Bandwidth
41.6 GB/s
Yes
ECC Memory Support
No
Graphics Card Parameters
true
Integrated Graphics
true
300 MHz
GPU Base Frequency
350 MHz
1550 MHz
GPU Max Dynamic Frequency
1050 MHz
-
Shader Units
192
-
Texture Units
24
-
Raster Operation Units
3
32
Execution Units
24
-
Power Consumption
15 W
-
Max Resolution
4096x2304 - 60 Hz
-
Graphics Performance
0.38 TFLOPS
Miscellaneous
5
PCIe Version
3.0
20
PCIe Lanes
16
-
Extended Instruction Set
SSE4.1, SSE4.2, AVX-2
