Intel Core Ultra 7 251HX vs Intel Core i7 11800H
CPU · Specs Compare
General Parameters
Release Date
Apr 2026
May 2021
Manufacturer
Intel
Intel
Type
Laptop
Laptop
Instruction Set
x86-64
x86-64
Core Architecture
Arrow Lake
Tiger Lake H45
Processor Number
251HX
i7-11800H
Integrated Graphics
Arc Graphics (4-Cores)
UHD Graphics for 11th Gen (32 EU)
Package
Manufacturing Process
3 nm
10 nm
Socket
FCBGA-2114
BGA-1787
Power Consumption
45-55 W
35-45 W
Max Turbo Power Consumption
160 W
—
Peak Operating Temperature
105 °C
100 °C
CPU Performance
Performance Cores
6
8
Performance Core Threads
6
16
Performance Core Base Frequency
2.9 GHz
1.9-2.3 GHz
Performance Core Turbo Frequency
5.1 GHz
4.6 GHz
Efficiency Cores
12
—
Efficiency Core Threads
12
—
Efficiency Core Base Frequency
2.5 GHz
—
Efficiency Core Turbo Frequency
4.5 GHz
—
Total Core Count
18
8
Total Thread Count
18
16
Bus Frequency
100 MHz
100 MHz
Multiplier
29
19-23x
L1 Cache
192 K per core
96 K per core
L2 Cache
2 MB per core
1280 K per core
L3 Cache
30 MB shared
24 MB shared
Unlocked Multiplier
Yes
No
Memory Parameters
Memory Types
DDR5-6400
DDR4-3200
Max Memory Size
256 GB
128 GB
Max Memory Channels
2
2
Max Memory Bandwidth
102.4 GB/s
51.2 GB/s
ECC Memory Support
No
No
Graphics Card Parameters
Integrated Graphics
true
true
GPU Base Frequency
300 MHz
350 MHz
GPU Max Dynamic Frequency
1800 MHz
1450 MHz
Shader Units
512
256
Texture Units
32
16
Raster Operation Units
16
8
Execution Units
64
32
Power Consumption
14
15 W
Miscellaneous
PCIe Version
5.0
4.0
PCIe Lanes
24
20
Benchmark
Geekbench 6
2,940
2,060
Geekbench 6
15,262
8,228
Cinebench 2024
130
—
Cinebench 2024
1,761
—
Cinebench R23
—
1,492
Cinebench R23
—
12,069
Geekbench 5
—
1,553
Geekbench 5
—
8,812
Blender
—
216
Passmark CPU
—
3,111
Passmark CPU
—
20,842
▲ Specs Compare
Data sourced from official specifications and benchmark tests.