Intel Core Ultra 7 255HX vs AMD Ryzen 7 4800U
We compared two laptop CPUs: Intel Core Ultra 7 255HX with 20 cores 2.4GHz and AMD Ryzen 7 4800U with 8 cores 1.8GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.
Main Differences
Intel Core Ultra 7 255HX 's Advantages
Released 5 years late
Higher specification of memory (6400 vs 4266)
Larger memory bandwidth (102.4GB/s vs 68.27GB/s)
Newer PCIe version (5.0 vs 3.0)
Higher base frequency (2.4GHz vs 1.8GHz)
Larger L3 cache size (30MB vs 8MB)
More modern manufacturing process (3nm vs 7nm)
AMD Ryzen 7 4800U 's Advantages
Lower TDP (25W vs 55W)
Score
Benchmark
Cinebench R23 Single Core
Intel Core Ultra 7 255HX
+65%
2030
AMD Ryzen 7 4800U
1224
Cinebench R23 Multi Core
Intel Core Ultra 7 255HX
+197%
25611
AMD Ryzen 7 4800U
8610
Geekbench 6 Single Core
Intel Core Ultra 7 255HX
+119%
3102
AMD Ryzen 7 4800U
1415
Geekbench 6 Multi Core
Intel Core Ultra 7 255HX
+276%
15879
AMD Ryzen 7 4800U
4218
General Parameters
Jan 2025
Release Date
Jan 2020
Intel
Manufacturer
AMD
Laptop
Type
Laptop
x86-64
Instruction Set
x86-64
Arrow Lake
Core Architecture
Zen 2
255HX
Processor Number
-
FCBGA-2114
Socket
FP6
Arc Graphics (4-Cores)
Integrated Graphics
Radeon Vega 8
Ultra 7 (Arrow Lake)
Generation
-
Package
3 nm
Manufacturing Process
7 nm
45-55 W
Power Consumption
10-25 W
160 W
Max Turbo Power Consumption
-
105 °C
Peak Operating Temperature
105 °C
Intel
Foundry
-
CPU Performance
8
Performance Cores
8
8
Performance Core Threads
16
2.4 GHz
Performance Core Base Frequency
1.8 GHz
5.2 GHz
Performance Core Turbo Frequency
4.2 GHz
12
Efficiency Cores
-
12
Efficiency Core Threads
-
1.8 GHz
Efficiency Core Base Frequency
-
4.5 GHz
Efficiency Core Turbo Frequency
-
20
Total Core Count
8
20
Total Thread Count
16
100 MHz
Bus Frequency
100 MHz
24
Multiplier
18x
112 K per core
L1 Cache
32 K per core
2 MB per core
L2 Cache
512 K per core
30 MB shared
L3 Cache
8 MB shared
Yes
Unlocked Multiplier
No
1
SMP
-
Memory Parameters
DDR5-6400
Memory Types
DDR4-3200, LPDDR4X-4266
192 GB
Max Memory Size
64 GB
2
Max Memory Channels
4
102.4 GB/s
Max Memory Bandwidth
68.27 GB/s
Yes
ECC Memory Support
Yes
Graphics Card Parameters
true
Integrated Graphics
true
300 MHz
GPU Base Frequency
-
1850 MHz
GPU Max Dynamic Frequency
1750 MHz
512
Shader Units
512
32
Texture Units
32
16
Raster Operation Units
8
64
Execution Units
-
14
Power Consumption
15 W
1.9 TFLOPS
Graphics Performance
-
