AMD Ryzen 7 5800X vs Intel Core Ultra 7 251HX
CPU · Specs Compare
General Parameters
Release Date
Oct 2020
Apr 2026
Manufacturer
Amd
Intel
Type
Desktop
Laptop
Instruction Set
x86-64
x86-64
Core Architecture
Zen 3 (Vermeer)
Arrow Lake
Integrated Graphics
No
Arc Graphics (4-Cores)
Processor Number
—
251HX
Package
Transistor Count
4.15 billions
—
Manufacturing Process
7 nm
3 nm
Socket
AM4
FCBGA-2114
Power Consumption
105 W
45-55 W
Peak Operating Temperature
90°C
105 °C
Max Turbo Power Consumption
—
160 W
CPU Performance
Performance Cores
8
6
Performance Core Threads
16
6
Performance Core Base Frequency
3.8 GHz
2.9 GHz
Performance Core Turbo Frequency
4.7 GHz
5.1 GHz
Total Core Count
8
18
Total Thread Count
16
18
Bus Frequency
100 MHz
100 MHz
Multiplier
38x
29
L1 Cache
64 K per core
192 K per core
L2 Cache
512 K per core
2 MB per core
L3 Cache
32 MB shared
30 MB shared
Unlocked Multiplier
Yes
Yes
Efficiency Cores
—
12
Efficiency Core Threads
—
12
Efficiency Core Base Frequency
—
2.5 GHz
Efficiency Core Turbo Frequency
—
4.5 GHz
Memory Parameters
Memory Types
DDR4-3200
DDR5-6400
Max Memory Size
128 GB
256 GB
Max Memory Channels
2
2
Max Memory Bandwidth
47.68 GB/s
102.4 GB/s
ECC Memory Support
Yes
No
Miscellaneous
PCIe Version
4.0
5.0
PCIe Lanes
20
24
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
Benchmark
Cinebench R23
1,596
—
Cinebench R23
15,228
—
Geekbench 6
2,230
2,940
Geekbench 5
1,623
—
Geekbench 6
10,279
15,262
Geekbench 5
10,572
—
Cinebench 2024
98
130
Cinebench 2024
874
1,761
Passmark CPU
3,443
—
Passmark CPU
27,890
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.