Home Comparison AMD Ryzen 5 7645HX vs Intel Core i9 12900H

AMD Ryzen 5 7645HX vs Intel Core i9 12900H

AMD Ryzen 5 7645HX
VS
Intel Core i9 12900H
AMD Ryzen 5 7645HX
Intel Core i9 12900H
We compared two laptop CPUs: AMD Ryzen 5 7645HX with 6 cores 4.0GHz 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 7645HX 's Advantages
Released 1 years late
Larger memory bandwidth (83.2GB/s vs 76.8GB/s)
Newer PCIe version (5.0 vs 4.0)
Higher base frequency (4.0GHz vs 2.5GHz)
Larger L3 cache size (32MB vs 24MB)
More modern manufacturing process (5nm vs 10nm)
Intel Core i9 12900H 's Advantages
Better graphics card performance
Higher specification of memory (5200 vs 5200)
Lower TDP (45W vs 75W)

Score

Benchmark

Cinebench R23 Single Core
AMD Ryzen 5 7645HX
1800
Intel Core i9 12900H +5%
1906
Cinebench R23 Multi Core
AMD Ryzen 5 7645HX
13954
Intel Core i9 12900H +18%
16503
Geekbench 6 Single Core
AMD Ryzen 5 7645HX +13%
2720
Intel Core i9 12900H
2397
Geekbench 6 Multi Core
AMD Ryzen 5 7645HX
11906
Intel Core i9 12900H
11973
Geekbench 5 Single Core
AMD Ryzen 5 7645HX +3%
1895
Intel Core i9 12900H
1839
Geekbench 5 Multi Core
AMD Ryzen 5 7645HX
11141
Intel Core i9 12900H +13%
12692
AMD Ryzen 5 7645HX
VS
Intel Core i9 12900H

General Parameters

Jan 2023
Release Date
Jan 2022
AMD
Manufacturer
Intel
Laptop
Type
Laptop
x86-64
Instruction Set
x86-64
Zen 4 (Dragon Range)
Core Architecture
Alder Lake
-
Processor Number
i9-12900H
FL1
Socket
BGA-1744
Radeon 610M
Integrated Graphics
Iris Xe Graphics (96EU)

Package

5 nm
Manufacturing Process
10 nm
45-75 W
Power Consumption
35-45 W
-
Max Turbo Power Consumption
115 W
100°C
Peak Operating Temperature
100°C

CPU Performance

6
Performance Cores
6
12
Performance Core Threads
12
4.0 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
40x
Multiplier
25x
64 K per core
L1 Cache
80 K per core
1 MB per core
L2 Cache
1280 K per core
32 MB shared
L3 Cache
24 MB shared
Yes
Unlocked Multiplier
No

Memory Parameters

DDR5-5200
Memory Types
DDR5-4800, DDR4-3200, LPDDR5-5200, LPDDR4x-4267
64 GB
Max Memory Size
64 GB
2
Max Memory Channels
2
83.2 GB/s
Max Memory Bandwidth
76.8 GB/s
No
ECC Memory Support
No

Graphics Card Parameters

true
Integrated Graphics
true
1500 MHz
GPU Base Frequency
300 MHz
2200 MHz
GPU Max Dynamic Frequency
1450 MHz
128
Shader Units
768
8
Texture Units
48
4
Raster Operation Units
24
2
Execution Units
96
15 W
Power Consumption
15 W
0.49 TFLOPS
Graphics Performance
1.69 TFLOPS

Miscellaneous

AMD Ryzen 5 7645HX
Official Website
Intel Core i9 12900H
5.0
PCIe Version
4.0
28
PCIe Lanes
28

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