Intel Core i7 8665U vs Intel Core i5 10400F
CPU · Specs Compare
General Parameters
Release Date
Apr 2019
May 2020
Manufacturer
Intel
Intel
Type
Laptop
Desktop
Instruction Set
x86-64
x86-64
Core Architecture
Whiskey Lake
Comet Lake
Processor Number
i7-8665U
i5-10400F
Integrated Graphics
UHD Graphics 620
N/A
Package
Manufacturing Process
14 nm
14 nm
Socket
BGA-1528
LGA-1200
Power Consumption
15 W
65 W
Peak Operating Temperature
100 °C
100 °C
CPU Performance
Performance Cores
4
6
Performance Core Threads
8
12
Performance Core Base Frequency
1.9 GHz
2.9 GHz
Performance Core Turbo Frequency
4.8 GHz
4.3 GHz
Total Core Count
4
6
Total Thread Count
8
12
Multiplier
19x
29x
L1 Cache
32 K per core
64 K per core
L2 Cache
256 K per core
256 K per core
L3 Cache
8 MB shared
12 MB shared
Unlocked Multiplier
No
No
Bus Frequency
—
100 MHz
Memory Parameters
Memory Types
DDR4-2400, LPDDR3-2133
DDR4-2666
Max Memory Size
64 GB
128 GB
Max Memory Channels
2
2
Max Memory Bandwidth
37.5 GB/s
41.6 GB/s
ECC Memory Support
No
No
Graphics Card Parameters
Integrated Graphics
true
—
GPU Base Frequency
300 MHz
—
GPU Max Dynamic Frequency
1150 MHz
—
Shader Units
192
—
Texture Units
24
—
Raster Operation Units
3
—
Execution Units
24
—
Power Consumption
15 W
—
Max Resolution
4096x2304 - 60 Hz
—
Miscellaneous
PCIe Version
3.0
3.0
PCIe Lanes
16
16
Extended Instruction Set
SSE4.1, SSE4.2, AVX-2
—
Benchmark
Cinebench R23
1,244
1,101
Cinebench R23
3,752
7,576
Geekbench 6
1,484
1,459
Geekbench 5
1,056
1,101
Geekbench 6
3,939
6,209
Geekbench 5
3,056
6,041
Blender
54
143
Passmark CPU
2,192
2,551
Passmark CPU
6,232
12,350
▲ Specs Compare
Data sourced from official specifications and benchmark tests.