Home Comparison AMD Ryzen 5 8645HS vs Intel Core i9 12900HX

AMD Ryzen 5 8645HS vs Intel Core i9 12900HX

AMD Ryzen 5 8645HS
VS
Intel Core i9 12900HX
AMD Ryzen 5 8645HS
Intel Core i9 12900HX
We compared two laptop CPUs: AMD Ryzen 5 8645HS with 6 cores 4.3GHz and Intel Core i9 12900HX with 16 cores 2.3GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD Ryzen 5 8645HS 's Advantages
Released 1 years and 7 months late
Better graphics card performance
Higher specification of memory (7500 vs 4800)
Larger memory bandwidth (89.6GB/s vs 76.8GB/s)
Higher base frequency (4.3GHz vs 2.3GHz)
More modern manufacturing process (4nm vs 10nm)
Lower TDP (54W vs 55W)
Intel Core i9 12900HX 's Advantages
Newer PCIe version (5.0 vs 4.0)
Larger L3 cache size (30MB vs 16MB)

Score

Benchmark

Cinebench R23 Single Core
AMD Ryzen 5 8645HS
1724
Intel Core i9 12900HX +10%
1904
Cinebench R23 Multi Core
AMD Ryzen 5 8645HS
13058
Intel Core i9 12900HX +60%
20977
Geekbench 6 Single Core
AMD Ryzen 5 8645HS
2455
Intel Core i9 12900HX +2%
2519
Geekbench 6 Multi Core
AMD Ryzen 5 8645HS
10287
Intel Core i9 12900HX +40%
14447
Blender
AMD Ryzen 5 8645HS
187
Intel Core i9 12900HX +49%
280
Passmark CPU Single Core
AMD Ryzen 5 8645HS
3795
Intel Core i9 12900HX +2%
3874
Passmark CPU Multi Core
AMD Ryzen 5 8645HS
23060
Intel Core i9 12900HX +50%
34632
AMD Ryzen 5 8645HS
VS
Intel Core i9 12900HX

General Parameters

Dec 2023
Release Date
May 2022
AMD
Manufacturer
Intel
Laptop
Type
Laptop
x86-64
Instruction Set
x86-64
Zen 4 (Hawk Point)
Core Architecture
Alder Lake
-
Processor Number
i9-12900HX
FP8
Socket
BGA-1964
Radeon 760M
Integrated Graphics
UHD Graphics (32EU)
Ryzen 5 (Zen 4 (Hawk Point))
Generation
-

Package

25 billions
Transistor Count
-
4 nm
Manufacturing Process
10 nm
35-54 W
Power Consumption
45-55 W
-
Max Turbo Power Consumption
157 W
100°C
Peak Operating Temperature
100°C
TSMC
Foundry
-
178 mm²
Die Size
-

CPU Performance

6
Performance Cores
8
12
Performance Core Threads
16
4.3 GHz
Performance Core Base Frequency
2.3 GHz
5 GHz
Performance Core Turbo Frequency
5 GHz
-
Efficiency Cores
8
-
Efficiency Core Threads
8
-
Efficiency Core Base Frequency
1.7 GHz
-
Efficiency Core Turbo Frequency
3.6 GHz
6
Total Core Count
16
12
Total Thread Count
24
100 MHz
Bus Frequency
100 MHz
43x
Multiplier
23x
64 K per core
L1 Cache
80 K per core
1 MB per core
L2 Cache
1280 K per core
16 MB shared
L3 Cache
30 MB shared
No
Unlocked Multiplier
Yes
1
SMP
-

Memory Parameters

DDR5-5600, LPDDR5x-7500
Memory Types
DDR5-4800, DDR4-3200
256 GB
Max Memory Size
128 GB
2
Max Memory Channels
2
89.6 GB/s
Max Memory Bandwidth
76.8 GB/s
No
ECC Memory Support
No

Graphics Card Parameters

true
Integrated Graphics
true
800 MHz
GPU Base Frequency
300 MHz
2600 MHz
GPU Max Dynamic Frequency
1550 MHz
512
Shader Units
256
32
Texture Units
16
16
Raster Operation Units
8
8
Execution Units
32
15 W
Power Consumption
45 W
2.66 TFLOPS
Graphics Performance
0.74 TFLOPS

Miscellaneous

AMD Ryzen 5 8645HS official page
Official Website
Intel Core i9 12900HX
4.0
PCIe Version
5.0
20
PCIe Lanes
20

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