Intel Core i7 8086K vs Intel Core Ultra 7 251HX
CPU · Specs Compare
General Parameters
Release Date
Jun 2018
Apr 2026
Manufacturer
Intel
Intel
Type
Desktop
Laptop
Instruction Set
x86-64
x86-64
Core Architecture
Coffee Lake
Arrow Lake
Processor Number
i7-8086K
251HX
Integrated Graphics
UHD Graphics 630
Arc Graphics (4-Cores)
Package
Manufacturing Process
14 nm
3 nm
Socket
LGA-1151
FCBGA-2114
Power Consumption
95 W
45-55 W
Peak Operating Temperature
100 °C
105 °C
Max Turbo Power Consumption
—
160 W
CPU Performance
Performance Cores
6
6
Performance Core Threads
12
6
Performance Core Base Frequency
4.0 GHz
2.9 GHz
Performance Core Turbo Frequency
5 GHz
5.1 GHz
Total Core Count
6
18
Total Thread Count
12
18
Bus Frequency
100 MHz
100 MHz
Multiplier
40x
29
L1 Cache
64 K per core
192 K per core
L2 Cache
256 K per core
2 MB per core
L3 Cache
12 MB shared
30 MB shared
Unlocked Multiplier
Yes
Yes
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
DDR4-2666
DDR5-6400
Max Memory Size
128 GB
256 GB
Max Memory Channels
2
2
Max Memory Bandwidth
41.6 GB/s
102.4 GB/s
ECC Memory Support
No
No
Graphics Card Parameters
Integrated Graphics
true
true
GPU Base Frequency
350 MHz
300 MHz
GPU Max Dynamic Frequency
1200 MHz
1800 MHz
Shader Units
192
512
Texture Units
24
32
Raster Operation Units
3
16
Execution Units
24
64
Power Consumption
15 W
14
Max Resolution
4096x2304 - 60 Hz
—
Miscellaneous
PCIe Version
3.0
5.0
PCIe Lanes
16
24
Extended Instruction Set
SSE4.1, SSE4.2, AVX-2
—
Benchmark
Cinebench R23
1,311
—
Cinebench R23
10,110
—
Geekbench 6
1,781
2,940
Geekbench 6
7,529
15,262
Blender
141
—
Passmark CPU
2,876
—
Passmark CPU
14,336
—
Cinebench 2024
—
130
Cinebench 2024
—
1,761
▲ Specs Compare
Data sourced from official specifications and benchmark tests.