Home Comparison Intel Core i9 12900HX vs Intel Core i3 8145U

Intel Core i9 12900HX vs Intel Core i3 8145U

Intel Core i9 12900HX
VS
Intel Core i3 8145U
Intel Core i9 12900HX
Intel Core i3 8145U
We compared two laptop CPUs: Intel Core i9 12900HX with 16 cores 2.3GHz and Intel Core i3 8145U with 2 cores 2.1GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Core i9 12900HX 's Advantages
Released 3 years and 9 months late
Better graphics card performance
Higher specification of memory (4800 vs 2400)
Larger memory bandwidth (76.8GB/s vs 37.5GB/s)
Newer PCIe version (5.0 vs 3.0)
Higher base frequency (2.3GHz vs 2.1GHz)
Larger L3 cache size (30MB vs 4MB)
More modern manufacturing process (10nm vs 14nm)
Intel Core i3 8145U 's Advantages
Lower TDP (15W vs 55W)

Score

Benchmark

Cinebench R23 Single Core
Intel Core i9 12900HX +138%
1904
Intel Core i3 8145U
800
Cinebench R23 Multi Core
Intel Core i9 12900HX +1119%
20977
Intel Core i3 8145U
1720
Geekbench 6 Single Core
Intel Core i9 12900HX +114%
2519
Intel Core i3 8145U
1177
Geekbench 6 Multi Core
Intel Core i9 12900HX +559%
14447
Intel Core i3 8145U
2189
Blender
Intel Core i9 12900HX +1066%
280
Intel Core i3 8145U
24
Geekbench 5 Single Core
Intel Core i9 12900HX +107%
1896
Intel Core i3 8145U
914
Geekbench 5 Multi Core
Intel Core i9 12900HX +752%
16154
Intel Core i3 8145U
1894
Passmark CPU Single Core
Intel Core i9 12900HX +82%
3874
Intel Core i3 8145U
2126
Passmark CPU Multi Core
Intel Core i9 12900HX +801%
34632
Intel Core i3 8145U
3841
Intel Core i9 12900HX
VS
Intel Core i3 8145U

General Parameters

May 2022
Release Date
Aug 2018
Intel
Manufacturer
Intel
Laptop
Type
Laptop
x86-64
Instruction Set
x86-64
Alder Lake
Core Architecture
Whiskey Lake
i9-12900HX
Processor Number
i3-8145U
BGA-1964
Socket
BGA-1528
UHD Graphics (32EU)
Integrated Graphics
UHD Graphics 620

Package

10 nm
Manufacturing Process
14 nm
45-55 W
Power Consumption
15 W
157 W
Max Turbo Power Consumption
-
100°C
Peak Operating Temperature
100 °C

CPU Performance

8
Performance Cores
2
16
Performance Core Threads
4
2.3 GHz
Performance Core Base Frequency
2.1 GHz
5 GHz
Performance Core Turbo Frequency
3.9 GHz
8
Efficiency Cores
-
8
Efficiency Core Threads
-
1.7 GHz
Efficiency Core Base Frequency
-
3.6 GHz
Efficiency Core Turbo Frequency
-
16
Total Core Count
2
24
Total Thread Count
4
100 MHz
Bus Frequency
100 MHz
23x
Multiplier
21x
80 K per core
L1 Cache
64 K per core
1280 K per core
L2 Cache
256 K per core
30 MB shared
L3 Cache
4 MB shared
Yes
Unlocked Multiplier
No

Memory Parameters

DDR5-4800, DDR4-3200
Memory Types
DDR4-2400, LPDDR3-2133
128 GB
Max Memory Size
64 GB
2
Max Memory Channels
2
76.8 GB/s
Max Memory Bandwidth
37.5 GB/s
No
ECC Memory Support
No

Graphics Card Parameters

true
Integrated Graphics
true
300 MHz
GPU Base Frequency
300 MHz
1550 MHz
GPU Max Dynamic Frequency
1000 MHz
256
Shader Units
192
16
Texture Units
24
8
Raster Operation Units
3
32
Execution Units
24
45 W
Power Consumption
15 W
-
Max Resolution
4096x2304 - 60 Hz
0.74 TFLOPS
Graphics Performance
0.38 TFLOPS

Miscellaneous

Intel Core i9 12900HX
Official Website
Intel Core i3 8145U
5.0
PCIe Version
3.0
20
PCIe Lanes
16
-
Extended Instruction Set
SSE4.1, SSE4.2, AVX-2

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