Home Comparison AMD Ryzen 5 7645HX vs AMD Ryzen 5 4600U

AMD Ryzen 5 7645HX vs AMD Ryzen 5 4600U

We compared two laptop CPUs: AMD Ryzen 5 7645HX with 6 cores 4.0GHz and AMD Ryzen 5 4600U with 6 cores 2.1GHz . 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 3 years late
Higher specification of memory (5200 vs 4266)
Larger memory bandwidth (83.2GB/s vs 68.27GB/s)
Newer PCIe version (5.0 vs 3.0)
Higher base frequency (4.0GHz vs 2.1GHz)
Larger L3 cache size (32MB vs 8MB)
More modern manufacturing process (5nm vs 7nm)
AMD Ryzen 5 4600U 's Advantages
Lower TDP (25W vs 75W)

Score

Benchmark

Cinebench R23 Single Core
AMD Ryzen 5 7645HX +56%
1800
AMD Ryzen 5 4600U
1151
Cinebench R23 Multi Core
AMD Ryzen 5 7645HX +74%
13954
AMD Ryzen 5 4600U
8004
Geekbench 6 Single Core
AMD Ryzen 5 7645HX +100%
2720
AMD Ryzen 5 4600U
1359
Geekbench 6 Multi Core
AMD Ryzen 5 7645HX +152%
11906
AMD Ryzen 5 4600U
4708
Geekbench 5 Single Core
AMD Ryzen 5 7645HX +77%
1895
AMD Ryzen 5 4600U
1068
Geekbench 5 Multi Core
AMD Ryzen 5 7645HX +118%
11141
AMD Ryzen 5 4600U
5095
VS

General Parameters

Jan 2023
Release Date
Jan 2020
AMD
Manufacturer
AMD
Laptop
Type
Laptop
x86-64
Instruction Set
x86-64
Zen 4 (Dragon Range)
Core Architecture
Zen 2
FL1
Socket
FP6
Radeon 610M
Integrated Graphics
Radeon Vega 6

Package

5 nm
Manufacturing Process
7 nm
45-75 W
Power Consumption
10-25 W
100°C
Peak Operating Temperature
105 °C

CPU Performance

6
Performance Cores
6
12
Performance Core Threads
12
4.0 GHz
Performance Core Base Frequency
2.1 GHz
5 GHz
Performance Core Turbo Frequency
4 GHz
6
Total Core Count
6
12
Total Thread Count
12
100 MHz
Bus Frequency
100 MHz
40x
Multiplier
21x
64 K per core
L1 Cache
32 K per core
1 MB per core
L2 Cache
512 K per core
32 MB shared
L3 Cache
8 MB shared
Yes
Unlocked Multiplier
No

Memory Parameters

DDR5-5200
Memory Types
DDR4-3200, LPDDR4-4266
64 GB
Max Memory Size
32 GB
2
Max Memory Channels
2
83.2 GB/s
Max Memory Bandwidth
68.27 GB/s
No
ECC Memory Support
Yes

Graphics Card Parameters

true
Integrated Graphics
true
1500 MHz
GPU Base Frequency
-
2200 MHz
GPU Max Dynamic Frequency
1500 MHz
128
Shader Units
384
8
Texture Units
24
4
Raster Operation Units
8
2
Execution Units
-
15 W
Power Consumption
15 W
0.49 TFLOPS
Graphics Performance
-

Miscellaneous

5.0
PCIe Version
3.0
28
PCIe Lanes
16

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