AMD Ryzen 5 Pro 9645 vs AMD Ryzen 5 4500U
CPU · Specs Compare
General Parameters
Release Date
Jan 2026
Jan 2020
Manufacturer
Amd
AMD
Type
Desktop
Laptop
Instruction Set
x86-64
x86-64
Core Architecture
Zen 5 (Granite Ridge)
Zen 2
Processor Number
9645
—
Integrated Graphics
Radeon Graphics
Radeon RX Vega 6
Package
Manufacturing Process
4 nm
7 nm
Socket
AM5
FP6
Power Consumption
65 W
10-25 W
Peak Operating Temperature
95 °C
105 °C
CPU Performance
Performance Cores
6
6
Performance Core Threads
12
6
Performance Core Base Frequency
3.9 GHz
2.3 GHz
Performance Core Turbo Frequency
5.4 GHz
4 GHz
Total Core Count
6
6
Total Thread Count
12
6
Bus Frequency
100 MHz
100 MHz
Multiplier
39
23x
L1 Cache
80 K per core
32 K per core
L2 Cache
1 MB per core
512 K per core
L3 Cache
32 MB shared
8 MB shared
Unlocked Multiplier
Yes
No
Memory Parameters
Memory Types
DDR5-5600
DDR4-3200, LPDDR4-4266
ECC Memory Support
Yes
Yes
Max Memory Size
—
64 GB
Max Memory Channels
—
2
Max Memory Bandwidth
—
68.27 GB/s
Graphics Card Parameters
Integrated Graphics
true
true
GPU Base Frequency
400 MHz
—
GPU Max Dynamic Frequency
2200 MHz
1500 MHz
Shader Units
128
384
Texture Units
8
24
Raster Operation Units
4
8
Execution Units
2
—
Power Consumption
15
15 W
Miscellaneous
PCIe Version
5.0
3.0
PCIe Lanes
28
16
Benchmark
Cinebench R23
2,150
1,141
Cinebench R23
17,163
5,872
Geekbench 6
3,285
947
Geekbench 6
13,515
3,421
Cinebench 2024
132
—
Cinebench 2024
969
—
Passmark CPU
4,641
2,447
Passmark CPU
31,474
11,016
Geekbench 5
—
1,104
Geekbench 5
—
4,483
Blender
—
68
▲ Specs Compare
Data sourced from official specifications and benchmark tests.