AMD Ryzen Z1 Extreme vs Intel Core Ultra 7 251HX
CPU Specs Compare
General Parameters
Release Date
Apr 2024
Apr 2026
Manufacturer
Amd
Intel
Type
Laptop
Laptop
Instruction Set
x86-64
x86-64
Core Architecture
Zen 4 (Phoenix)
Arrow Lake
Integrated Graphics
Radeon 780M
Arc Graphics (4-Cores)
Generation
Ryzen 7 (Zen 4 (Phoenix))
-
Processor Number
-
251HX
Package
Transistor Count
25 billions
-
Manufacturing Process
4 nm
3 nm
Socket
FP8
FCBGA-2114
Power Consumption
9-30 W
45-55 W
Peak Operating Temperature
100°C
105 °C
Foundry
TSMC
-
Die Size
178 mm²
-
Package
FP8
-
Max Turbo Power Consumption
-
160 W
CPU Performance
Performance Cores
8
6
Performance Core Threads
16
6
Performance Core Base Frequency
3.3 GHz
2.9 GHz
Performance Core Turbo Frequency
5.1 GHz
5.1 GHz
Total Core Count
8
18
Total Thread Count
16
18
Bus Frequency
100 MHz
100 MHz
Multiplier
33x
29
L1 Cache
64 K per core
192 K per core
L2 Cache
1 MB per core
2 MB per core
L3 Cache
16 MB shared
30 MB shared
Unlocked Multiplier
No
Yes
SMP
1
-
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
DDR5-5600,LPDDR5x-7500
DDR5-6400
Max Memory Size
256 GB
256 GB
Max Memory Channels
2
2
Max Memory Bandwidth
89.6 GB/s
102.4 GB/s
ECC Memory Support
Yes
No
Graphics Card Parameters
Integrated Graphics
true
true
GPU Base Frequency
800 MHz
300 MHz
GPU Max Dynamic Frequency
2700 MHz
1800 MHz
Shader Units
768
512
Texture Units
48
32
Raster Operation Units
32
16
Execution Units
12
64
Power Consumption
15 W
14
📊 Benchmark
Cinebench R23
1,719
-
Cinebench R23
13,884
-
Geekbench 6
2,522
2,940
Geekbench 5
1,841
-
Geekbench 6
11,212
15,262
Geekbench 5
9,906
-
Blender
197
-
Passmark CPU
3,617
-
Passmark CPU
25,181
-
Cinebench 2024
-
130
Cinebench 2024
-
1,761