Intel Core i7 8665U vs Intel Core i5 9400H
We compared two laptop CPUs: Intel Core i7 8665U with 4 cores 1.9GHz and Intel Core i5 9400H with 4 cores 2.5GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.
Main Differences
Intel Core i7 8665U 's Advantages
Lower TDP (15W vs 45W)
Intel Core i5 9400H 's Advantages
Higher specification of memory (2666 vs 2400)
Larger memory bandwidth (41.8GB/s vs 37.5GB/s)
Higher base frequency (2.5GHz vs 1.9GHz)
Score
Benchmark
Geekbench 6 Single Core
Intel Core i7 8665U
+8%
1484
Intel Core i5 9400H
1366
Geekbench 6 Multi Core
Intel Core i7 8665U
+2%
3939
Intel Core i5 9400H
3833
Blender
Intel Core i7 8665U
54
Intel Core i5 9400H
+12%
61
Geekbench 5 Single Core
Intel Core i7 8665U
1056
Intel Core i5 9400H
+4%
1101
Geekbench 5 Multi Core
Intel Core i7 8665U
3056
Intel Core i5 9400H
+24%
3804
Passmark CPU Single Core
Intel Core i7 8665U
2192
Intel Core i5 9400H
+13%
2490
Passmark CPU Multi Core
Intel Core i7 8665U
6232
Intel Core i5 9400H
+31%
8217
General Parameters
Apr 2019
Release Date
Apr 2019
Intel
Manufacturer
Intel
Laptop
Type
Laptop
x86-64
Instruction Set
x86-64
Whiskey Lake
Core Architecture
Coffee Lake
i7-8665U
Processor Number
i5-9400H
BGA-1528
Socket
BGA-1440
UHD Graphics 620
Integrated Graphics
UHD Graphics 630
-
-
-
Package
-
-
-
14 nm
Manufacturing Process
14 nm
-
-
-
15 W
Power Consumption
45 W
-
-
-
100 °C
Peak Operating Temperature
100 °C
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
CPU Performance
4
Performance Cores
4
8
Performance Core Threads
8
1.9 GHz
Performance Core Base Frequency
2.5 GHz
4.8 GHz
Performance Core Turbo Frequency
4.3 GHz
-
-
-
-
-
-
-
-
-
-
-
-
4
Total Core Count
4
8
Total Thread Count
8
-
-
-
19x
Multiplier
25x
-
-
-
32 K per core
L1 Cache
32 K per core
256 K per core
L2 Cache
256 K per core
8 MB shared
L3 Cache
8 MB shared
No
Unlocked Multiplier
No
-
-
-
-
-
-
-
-
-
-
-
-
-
Memory Parameters
DDR4-2400, LPDDR3-2133
Memory Types
DDR4-2666, LPDDR3-2133
64 GB
Max Memory Size
128 GB
2
Max Memory Channels
2
37.5 GB/s
Max Memory Bandwidth
41.8 GB/s
No
ECC Memory Support
No
Graphics Card Parameters
true
Integrated Graphics
true
300 MHz
GPU Base Frequency
350 MHz
1150 MHz
GPU Max Dynamic Frequency
1100 MHz
192
Shader Units
192
24
Texture Units
24
3
Raster Operation Units
3
24
Execution Units
24
15 W
Power Consumption
15 W
4096x2304 - 60 Hz
Max Resolution
4096x2304 - 60 Hz
0.38 TFLOPS
Graphics Performance
0.38 TFLOPS
AI Accelerator
-
-
-
-
-
-
Miscellaneous
3.0
PCIe Version
3.0
16
PCIe Lanes
16
SSE4.1, SSE4.2, AVX-2
Extended Instruction Set
SSE4.1, SSE4.2, AVX-2
-
