Intel Core i7 1255U vs Intel Core i7 8086K
CPU · Specs Compare
General Parameters
Release Date
Feb 2022
Jun 2018
Manufacturer
Intel
Intel
Type
Laptop
Desktop
Instruction Set
x86-64
x86-64
Core Architecture
Alder Lake
Coffee Lake
Processor Number
i7-1255U
i7-8086K
Integrated Graphics
Iris Xe Graphics (96EU)
UHD Graphics 630
Package
Manufacturing Process
10 nm
14 nm
Socket
BGA-1744
LGA-1151
Power Consumption
12-15 W
95 W
Max Turbo Power Consumption
55 W
—
Peak Operating Temperature
100°C
100 °C
CPU Performance
Performance Cores
2
6
Performance Core Threads
4
12
Performance Core Base Frequency
1.7 GHz
4.0 GHz
Performance Core Turbo Frequency
4.7 GHz
5 GHz
Efficiency Cores
8
—
Efficiency Core Threads
8
—
Efficiency Core Base Frequency
1.2 GHz
—
Efficiency Core Turbo Frequency
3.5 GHz
—
Total Core Count
10
6
Total Thread Count
12
12
Bus Frequency
100 MHz
100 MHz
Multiplier
17x
40x
L1 Cache
80 K per core
64 K per core
L2 Cache
1280 K per core
256 K per core
L3 Cache
12 MB shared
12 MB shared
Unlocked Multiplier
No
Yes
Memory Parameters
Memory Types
DDR5-4800, DDR4-3200, LPDDR5-5200, LPDDR4x-4267
DDR4-2666
Max Memory Size
64 GB
128 GB
Max Memory Channels
2
2
Max Memory Bandwidth
76.8 GB/s
41.6 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
1250 MHz
1200 MHz
Shader Units
768
192
Texture Units
48
24
Raster Operation Units
24
3
Execution Units
96
24
Power Consumption
15 W
15 W
Max Resolution
—
4096x2304 - 60 Hz
Miscellaneous
PCIe Version
4.0
3.0
PCIe Lanes
20
16
Extended Instruction Set
—
SSE4.1, SSE4.2, AVX-2
Benchmark
Cinebench R23
1,701
1,311
Cinebench R23
8,233
10,110
Geekbench 6
2,248
1,781
Geekbench 5
1,628
—
Geekbench 6
7,162
7,529
Geekbench 5
7,372
—
Blender
125
141
Passmark CPU
3,308
2,876
Passmark CPU
13,792
14,336
▲ Specs Compare
Data sourced from official specifications and benchmark tests.