Intel Core Ultra 7 251HX vs AMD Ryzen 9 5900X
CPU · Specs Compare
General Parameters
Release Date
Apr 2026
Oct 2020
Manufacturer
Intel
AMD
Type
Laptop
Desktop
Instruction Set
x86-64
x86-64
Core Architecture
Arrow Lake
Zen 3 (Vermeer)
Processor Number
251HX
—
Integrated Graphics
Arc Graphics (4-Cores)
No
Package
Manufacturing Process
3 nm
7 nm
Socket
FCBGA-2114
AM4
Power Consumption
45-55 W
105 W
Max Turbo Power Consumption
160 W
—
Peak Operating Temperature
105 °C
90°C
Transistor Count
—
4.15 billions
CPU Performance
Performance Cores
6
12
Performance Core Threads
6
24
Performance Core Base Frequency
2.9 GHz
3.7 GHz
Performance Core Turbo Frequency
5.1 GHz
4.8 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
12
Total Thread Count
18
24
Bus Frequency
100 MHz
100 MHz
Multiplier
29
37x
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
64 MB shared
Unlocked Multiplier
Yes
Yes
Memory Parameters
Memory Types
DDR5-6400
DDR4-3200
Max Memory Size
256 GB
128 GB
Max Memory Channels
2
2
Max Memory Bandwidth
102.4 GB/s
47.68 GB/s
ECC Memory Support
No
Yes
Graphics Card Parameters
Integrated Graphics
true
—
GPU Base Frequency
300 MHz
—
GPU Max Dynamic Frequency
1800 MHz
—
Shader Units
512
—
Texture Units
32
—
Raster Operation Units
16
—
Execution Units
64
—
Power Consumption
14
—
Miscellaneous
PCIe Version
5.0
4.0
PCIe Lanes
24
20
Benchmark
Geekbench 6
2,940
2,235
Geekbench 6
15,262
12,589
Cinebench 2024
130
94
Cinebench 2024
1,761
1,189
Cinebench R23
—
1,670
Cinebench R23
—
22,046
Passmark CPU
—
3,470
Passmark CPU
—
39,196
▲ Specs Compare
Data sourced from official specifications and benchmark tests.