Intel Core Ultra 7 251HX vs AMD Ryzen 5 3450U
CPU · Specs Compare
General Parameters
Release Date
Apr 2026
Jan 2020
Manufacturer
Intel
AMD
Type
Laptop
Laptop
Instruction Set
x86-64
x86-64
Core Architecture
Arrow Lake
Zen+
Processor Number
251HX
—
Integrated Graphics
Arc Graphics (4-Cores)
Radeon Vega 8
Package
Manufacturing Process
3 nm
12 nm
Socket
FCBGA-2114
FP5
Power Consumption
45-55 W
12-35 W
Max Turbo Power Consumption
160 W
—
Peak Operating Temperature
105 °C
105 °C
CPU Performance
Performance Cores
6
4
Performance Core Threads
6
8
Performance Core Base Frequency
2.9 GHz
2.1 GHz
Performance Core Turbo Frequency
5.1 GHz
3.5 GHz
Efficiency Cores
12
—
Efficiency Core Threads
12
—
Efficiency Core Base Frequency
2.5 GHz
—
Efficiency Core Turbo Frequency
4.5 GHz
—
Total Core Count
18
4
Total Thread Count
18
8
Bus Frequency
100 MHz
100 MHz
Multiplier
29
21x
L1 Cache
192 K per core
64 K per core
L2 Cache
2 MB per core
512 K per core
L3 Cache
30 MB shared
4 MB shared
Unlocked Multiplier
Yes
No
Memory Parameters
Memory Types
DDR5-6400
DDR4-2400
Max Memory Size
256 GB
32 GB
Max Memory Channels
2
2
Max Memory Bandwidth
102.4 GB/s
38.4 GB/s
ECC Memory Support
No
—
Graphics Card Parameters
Integrated Graphics
true
true
GPU Base Frequency
300 MHz
300 MHz
GPU Max Dynamic Frequency
1800 MHz
2400 MHz
Shader Units
512
512
Texture Units
32
32
Raster Operation Units
16
8
Execution Units
64
8
Power Consumption
14
65 W
Max Resolution
—
3840x2160 - 60 Hz
Miscellaneous
PCIe Version
5.0
3.0
PCIe Lanes
24
12
Benchmark
Geekbench 6
2,940
961
Geekbench 6
15,262
2,403
Cinebench 2024
130
—
Cinebench 2024
1,761
—
Cinebench R23
—
886
Cinebench R23
—
3,181
Geekbench 5
—
768
Geekbench 5
—
2,495
Blender
—
59
Passmark CPU
—
1,914
Passmark CPU
—
6,726
▲ Specs Compare
Data sourced from official specifications and benchmark tests.