Intel Core i7-8665U vs Intel Core i5-8365U

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CPU comparison with benchmarks

-VS-

CPU lineage

Intel Core i7-8665U or Intel Core i7-8665U – which processor offers superior performance? In this comparison, we examine disparities and assess which of these two CPUs outperforms the other. We delve into technical specifications and benchmark outcomes.
The Intel Core i7-8665U features 4 processor cores and has the capability to manage 8 threads concurrently.
It was released in Q2/2019 and belongs to the 8 generation of the Intel Core i7 series.
To use the Intel Core i7-8665U, you'll need a motherboard with a BGA 1356 socket.
The Intel Core i5-8365U features 4 processor cores and has the capability to manage 8 threads concurrently.
It was released in Q2/2019 and belongs to the 8 generation of the Intel Core i5 series.
To use the Intel Core i5-8365U, you'll need a motherboard with a BGA 1528 socket.
Intel Core i7 Family Intel Core i5
Mobile Segment Mobile
8 Generation 8
Intel Core i7-8665U Name Intel Core i5-8365U
Intel Core i 8000U Group Intel Core i 8000U
 
 

CPU Cores and Base Frequency

The Intel Core i7-8665U has 4 CPU cores and can calculate 8 threads in parallel.
The clock frequency of the Intel Core i7-8665U is 1.9 GHz
and turbo frequency for one core is 4.8 GHz.
The Intel Core i5-8365U has 4 CPU cores and can calculate 8 threads in parallel.
The clock frequency of the Intel Core i5-8365U is 1.6 GHz
and turbo frequency for one core is 4.1 GHz.
4.8 GHz Turbo Frequency (1 core) 4.1 GHz
4x Cores 4x
8 Threads 8
4 CPU Cores 4
normal Core architecture normal
Yes Hyperthreading Yes
No Overclocking No
1.9 GHz Frequency 1.6 GHz
2.8 GHz Turbo Frequency (all cores) 2.6 GHz
 
 

Internal Graphics

The Intel Core i7-8665U has integrated graphics, called iGPU for short.
Specifically, the Intel Core i7-8665U uses the Intel UHD Graphics 620, which has 192 texture shaders
and 24 execution units.
The iGPU uses the system's main memory as graphics memory and sits on the processor's die.
The Intel Core i5-8365U has integrated graphics, called iGPU for short.
Specifically, the Intel Core i5-8365U uses the Intel UHD Graphics 620, which has 192 texture shaders
24 Execution units 24
9.5 Generation 9.5
12 Direct X 12
192 Shaders 192
16.0 GB Max. GPU Memory 16.0 GB
0.3 GHz GPU frequency 0.3 GHz
14 nm Technology 14 nm
Q3/2016 Release date Q3/2016
-- Max. displays --
1.15 GHz GPU (Turbo) 1.1 GHz
Intel UHD Graphics 620 GPU name Intel UHD Graphics 620
 
 

Artificial Intelligence and Machine Learning

-- AI specifications --
-- AI hardware --
 
 

Hardware codec support

A photo or video codec that is accelerated in hardware can greatly accelerate the working speed of a processor and extend the battery life of notebooks or smartphones when playing videos.
Decode / Encode AVC Decode / Encode
Decode / Encode VP8 Decode / Encode
Decode / Encode h265 / HEVC (10 bit) Decode / Encode
Decode / Encode h264 Decode / Encode
Decode / Encode h265 / HEVC (8 bit) Decode / Encode
Decode / Encode VP9 Decode / Encode
Decode / Encode JPEG Decode / Encode
Decode VC-1 Decode
No AV1 No
 
 

Memory & PCIe

The processor supports a maximum memory capacity of 64.0 GB distributed across 2 memory channels. It offers a peak memory bandwidth of 38.4 GB/s. Both the type and quantity of memory can have a substantial impact on the overall system performance.
64.0 GB Max. Memory 64.0 GB
No ECC No
Yes AES-NI Yes
2 Memory channels 2
pci PCIe pci
38.4 GB/s Bandwidth 38.4 GB/s
DDR4-2400 Memory type DDR4-2400
 
 

Thermal Management

The processor has a thermal design power (TDP) of 15 W watts.
TDP indicates the cooling solution needed to effectively manage the processor's heat. It generally provides an approximate indication of the actual power consumption of the CPU itself.
100 °C Tjunction max 100 °C
15 W TDP (PL1 / PBP) 15 W
25 W TDP up 25 W
10 W TDP down 10 W
 
 

Technical details

The Intel Core i7-8665U is manufactured using a 14 nm process.
A smaller manufacturing process indicates a more contemporary and energy-efficient CPU.
In total, this processor boasts a generous 8.0 MB cache.
A substantial cache can significantly enhance the processor's performance, particularly in scenarios like gaming.
The Intel Core i5-8365U is manufactured using a 14 nm process.
In total, this processor boasts a generous 6.0 MB cache.
8.0 MB L3-Cache 6.0 MB
Windows 10, Linux, Windows 11 Operating systems Windows 10, Linux, Windows 11
SSE4.1, SSE4.2, AVX2 ISA extensions SSE4.1, SSE4.2, AVX2
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
409 $ Release price 297 $
Technical data sheet Documents Technical data sheet
Q2/2019 Release date Q2/2019
0 bytes L2-Cache 0 bytes
VT-x, VT-x EPT, VT-d Virtualization VT-x, VT-x EPT, VT-d
-- Part Number --
Whiskey Lake U Architecture Whiskey Lake U
14 nm Technology 14 nm
BGA 1356 Socket BGA 1528
Monolithic Chip design Monolithic
 
 

Benchmarks

Geekbench 6 (Multi-Core)

Intel Core i7-8665U
4C 8T @ 1.9 GHz
3732
3732
Intel Core i5-8365U
4C 8T @ 1.6 GHz
3335
3335

Geekbench 5, 64bit (Multi-Core)

Intel Core i7-8665U
4C 8T @ 1.9 GHz
3314
3314
Intel Core i5-8365U
4C 8T @ 1.6 GHz
2866
2866

CPU-Z Benchmark 17 (Multi-Core)

Intel Core i7-8665U
4C 8T @ 1.9 GHz
1960
1960
Intel Core i5-8365U
4C 8T @ 1.6 GHz
1853
1853

Cinebench R20 (Multi-Core)

Intel Core i7-8665U
4C 8T @ 1.9 GHz
1536
1536
Intel Core i5-8365U
4C 8T @ 1.6 GHz
1400
1400

Geekbench 6 (Single-Core)

Intel Core i7-8665U
4C 8T @ 1.9 GHz
1437
1437
Intel Core i5-8365U
4C 8T @ 1.6 GHz
1309
1309

Cinebench R15 (Multi-Core)

Intel Core i7-8665U
4C 8T @ 1.9 GHz
604
604
Intel Core i5-8365U
4C 8T @ 1.6 GHz
558
558

Cinebench R20 (Single-Core)

Intel Core i7-8665U
4C 8T @ 1.9 GHz
464
464
Intel Core i5-8365U
4C 8T @ 1.6 GHz
422
422

Cinebench R15 (Single-Core)

Intel Core i7-8665U
4C 8T @ 1.9 GHz
178
178
Intel Core i5-8365U
4C 8T @ 1.6 GHz
167
167