Intel Core i7 11800H vs Intel Core Ultra 7 255HX
CPU Specs Compare
General Parameters
Release Date
May 2021
Jan 2025
Manufacturer
Intel
Intel
Type
Laptop
Laptop
Instruction Set
x86-64
x86-64
Core Architecture
Tiger Lake H45
Arrow Lake
Processor Number
i7-11800H
255HX
Integrated Graphics
UHD Graphics for 11th Gen (32 EU)
Arc Graphics (4-Cores)
Generation
-
Ultra 7 (Arrow Lake)
Package
Manufacturing Process
10 nm
3 nm
Socket
BGA-1787
FCBGA-2114
Power Consumption
35-45 W
45-55 W
Peak Operating Temperature
100 °C
105 °C
Max Turbo Power Consumption
-
160 W
Foundry
-
Intel
Package
-
FC-LGA18V
CPU Performance
Performance Cores
8
8
Performance Core Threads
16
8
Performance Core Base Frequency
1.9-2.3 GHz
2.4 GHz
Performance Core Turbo Frequency
4.6 GHz
5.2 GHz
Total Core Count
8
20
Total Thread Count
16
20
Bus Frequency
100 MHz
100 MHz
Multiplier
19-23x
24
L1 Cache
96 K per core
112 K per core
L2 Cache
1280 K per core
2 MB per core
L3 Cache
24 MB shared
30 MB shared
Unlocked Multiplier
No
Yes
Efficiency Cores
-
12
Efficiency Core Threads
-
12
Efficiency Core Base Frequency
-
1.8 GHz
Efficiency Core Turbo Frequency
-
4.5 GHz
SMP
-
1
Memory Parameters
Memory Types
DDR4-3200
DDR5-6400
Max Memory Size
128 GB
192 GB
Max Memory Channels
2
2
Max Memory Bandwidth
51.2 GB/s
102.4 GB/s
ECC Memory Support
No
Yes
Graphics Card Parameters
Integrated Graphics
true
true
GPU Base Frequency
350 MHz
300 MHz
GPU Max Dynamic Frequency
1450 MHz
1850 MHz
Shader Units
256
512
Texture Units
16
32
Raster Operation Units
8
16
Execution Units
32
64
Power Consumption
15 W
14
📊 Benchmark
Cinebench R23
1,492
2,030
Cinebench R23
12,069
25,611
Geekbench 6
2,060
3,102
Geekbench 5
1,553
-
Geekbench 6
8,228
15,879
Geekbench 5
8,812
-
Blender
216
-
Passmark CPU
3,111
-
Passmark CPU
20,842
-
Cinebench 2024
-
132
Cinebench 2024
-
1,590