AMD Ryzen 5 Pro 9645 vs Intel Core i5 8257U
CPU · Specs Compare
General Parameters
Release Date
Jan 2026
Jul 2019
Manufacturer
Amd
Intel
Type
Desktop
Laptop
Instruction Set
x86-64
x86-64
Core Architecture
Zen 5 (Granite Ridge)
Coffee Lake
Processor Number
9645
i5-8257U
Integrated Graphics
Radeon Graphics
Iris Plus Graphics 645
Package
Manufacturing Process
4 nm
14 nm
Socket
AM5
BGA-1528
Power Consumption
65 W
15 W
Peak Operating Temperature
95 °C
100 °C
CPU Performance
Performance Cores
6
4
Performance Core Threads
12
8
Performance Core Base Frequency
3.9 GHz
1.4 GHz
Performance Core Turbo Frequency
5.4 GHz
3.9 GHz
Total Core Count
6
4
Total Thread Count
12
8
Bus Frequency
100 MHz
—
Multiplier
39
14x
L1 Cache
80 K per core
32 K per core
L2 Cache
1 MB per core
256 K per core
L3 Cache
32 MB shared
6 MB shared
Unlocked Multiplier
Yes
No
Memory Parameters
Memory Types
DDR5-5600
DDR4-2400, LPDDR3-2133
ECC Memory Support
Yes
No
Max Memory Size
—
32 GB
Max Memory Channels
—
2
Max Memory Bandwidth
—
37.5 GB/s
Graphics Card Parameters
Integrated Graphics
true
true
GPU Base Frequency
400 MHz
300 MHz
GPU Max Dynamic Frequency
2200 MHz
1050 MHz
Shader Units
128
384
Texture Units
8
48
Raster Operation Units
4
6
Execution Units
2
48
Power Consumption
15
15 W
Max Resolution
—
4096x2304 - 60 Hz
Miscellaneous
PCIe Version
5.0
3.0
PCIe Lanes
28
16
Extended Instruction Set
—
SSE4.1, SSE4.2, AVX-2
Benchmark
Cinebench R23
2,150
996
Cinebench R23
17,163
4,031
Geekbench 6
3,285
1,210
Geekbench 6
13,515
3,922
Cinebench 2024
132
—
Cinebench 2024
969
—
Passmark CPU
4,641
—
Passmark CPU
31,474
—
Geekbench 5
—
916
Geekbench 5
—
3,820
▲ Specs Compare
Data sourced from official specifications and benchmark tests.