Intel Core Ultra 7 255HX vs Intel Core i7 13800H
We compared two laptop CPUs: Intel Core Ultra 7 255HX with 20 cores 2.4GHz and Intel Core i7 13800H with 14 cores 2.5GHz . 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 2 years late
Better graphics card performance
Larger memory bandwidth (102.4GB/s vs 89.6GB/s)
Larger L3 cache size (30MB vs 24MB)
More modern manufacturing process (3nm vs 10nm)
Intel Core i7 13800H 's Advantages
Higher specification of memory (6400 vs 6400)
Higher base frequency (2.5GHz vs 2.4GHz)
Lower TDP (45W vs 55W)
Score
Benchmark
Cinebench R23 Single Core
Intel Core Ultra 7 255HX
+8%
2030
Intel Core i7 13800H
1874
Cinebench R23 Multi Core
Intel Core Ultra 7 255HX
+34%
25611
Intel Core i7 13800H
19054
Geekbench 6 Single Core
Intel Core Ultra 7 255HX
+18%
3102
Intel Core i7 13800H
2608
Geekbench 6 Multi Core
Intel Core Ultra 7 255HX
+23%
15879
Intel Core i7 13800H
12899
General Parameters
Jan 2025
Release Date
Jan 2023
Intel
Manufacturer
Intel
Laptop
Type
Laptop
x86-64
Instruction Set
x86-64
Arrow Lake
Core Architecture
Raptor Lake
255HX
Processor Number
i7-13800H
FCBGA-2114
Socket
BGA-1744
Arc Graphics (4-Cores)
Integrated Graphics
Iris Xe Graphics (96EU)
Ultra 7 (Arrow Lake)
Generation
-
Package
3 nm
Manufacturing Process
10 nm
45-55 W
Power Consumption
35-45 W
160 W
Max Turbo Power Consumption
115 W
105 °C
Peak Operating Temperature
100°C
Intel
Foundry
-
CPU Performance
8
Performance Cores
6
8
Performance Core Threads
12
2.4 GHz
Performance Core Base Frequency
2.5 GHz
5.2 GHz
Performance Core Turbo Frequency
5.2 GHz
12
Efficiency Cores
8
12
Efficiency Core Threads
8
1.8 GHz
Efficiency Core Base Frequency
1.8 GHz
4.5 GHz
Efficiency Core Turbo Frequency
3.8 GHz
20
Total Core Count
14
20
Total Thread Count
20
100 MHz
Bus Frequency
100 MHz
24
Multiplier
25x
112 K per core
L1 Cache
80 K per core
2 MB per core
L2 Cache
1280 K per core
30 MB shared
L3 Cache
24 MB shared
Yes
Unlocked Multiplier
No
1
SMP
-
Memory Parameters
DDR5-6400
Memory Types
DDR5-5200, DDR4-3200, LPDDR5x-6400, LPDDR5-6400, LPDDR4x-4267
192 GB
Max Memory Size
64 GB
2
Max Memory Channels
2
102.4 GB/s
Max Memory Bandwidth
89.6 GB/s
Yes
ECC Memory Support
No
Graphics Card Parameters
true
Integrated Graphics
true
300 MHz
GPU Base Frequency
300 MHz
1850 MHz
GPU Max Dynamic Frequency
1500 MHz
512
Shader Units
768
32
Texture Units
48
16
Raster Operation Units
24
64
Execution Units
96
14
Power Consumption
15 W
1.9 TFLOPS
Graphics Performance
1.69 TFLOPS
Miscellaneous
5.0
PCIe Version
5.0
24
PCIe Lanes
28
