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

AMD Ryzen 5 8645HS vs Intel Core i9 12900H

AMD Ryzen 5 8645HS
VS
Intel Core i9 12900H
AMD Ryzen 5 8645HS
Intel Core i9 12900H
We compared two laptop CPUs: AMD Ryzen 5 8645HS with 6 cores 4.3GHz and Intel Core i9 12900H with 14 cores 2.5GHz . 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 11 months late
Better graphics card performance
Higher specification of memory (7500 vs 5200)
Larger memory bandwidth (89.6GB/s vs 76.8GB/s)
Higher base frequency (4.3GHz vs 2.5GHz)
More modern manufacturing process (4nm vs 10nm)
Intel Core i9 12900H 's Advantages
Larger L3 cache size (24MB vs 16MB)
Lower TDP (45W vs 54W)

Score

Benchmark

Cinebench R23 Single Core
AMD Ryzen 5 8645HS
1724
Intel Core i9 12900H +10%
1906
Cinebench R23 Multi Core
AMD Ryzen 5 8645HS
13058
Intel Core i9 12900H +26%
16503
Geekbench 6 Single Core
AMD Ryzen 5 8645HS +2%
2455
Intel Core i9 12900H
2397
Geekbench 6 Multi Core
AMD Ryzen 5 8645HS
10287
Intel Core i9 12900H +16%
11973
Blender
AMD Ryzen 5 8645HS
187
Intel Core i9 12900H +21%
227
Passmark CPU Single Core
AMD Ryzen 5 8645HS
3795
Intel Core i9 12900H
3811
Passmark CPU Multi Core
AMD Ryzen 5 8645HS
23060
Intel Core i9 12900H +22%
28264
AMD Ryzen 5 8645HS
VS
Intel Core i9 12900H

General Parameters

Dec 2023
Release Date
Jan 2022
AMD
Manufacturer
Intel
Laptop
Type
Laptop
x86-64
Instruction Set
x86-64
Zen 4 (Hawk Point)
Core Architecture
Alder Lake
-
Processor Number
i9-12900H
FP8
Socket
BGA-1744
Radeon 760M
Integrated Graphics
Iris Xe Graphics (96EU)
Ryzen 5 (Zen 4 (Hawk Point))
Generation
-

Package

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

CPU Performance

6
Performance Cores
6
12
Performance Core Threads
12
4.3 GHz
Performance Core Base Frequency
2.5 GHz
5 GHz
Performance Core Turbo Frequency
5 GHz
-
Efficiency Cores
8
-
Efficiency Core Threads
8
-
Efficiency Core Base Frequency
1.8 GHz
-
Efficiency Core Turbo Frequency
3.8 GHz
6
Total Core Count
14
12
Total Thread Count
20
100 MHz
Bus Frequency
100 MHz
43x
Multiplier
25x
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
24 MB shared
No
Unlocked Multiplier
No
1
SMP
-

Memory Parameters

DDR5-5600, LPDDR5x-7500
Memory Types
DDR5-4800, DDR4-3200, LPDDR5-5200, LPDDR4x-4267
256 GB
Max Memory Size
64 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
1450 MHz
512
Shader Units
768
32
Texture Units
48
16
Raster Operation Units
24
8
Execution Units
96
15 W
Power Consumption
15 W
2.66 TFLOPS
Graphics Performance
1.69 TFLOPS

Miscellaneous

AMD Ryzen 5 8645HS official page
Official Website
Intel Core i9 12900H
4.0
PCIe Version
4.0
20
PCIe Lanes
28

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