Intel Core i7-8665U vs Intel Core i5-1334U

Last updated:

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 i5-1334U features 10 processor cores and has the capability to manage 12 threads concurrently.
It was released in Q1/2023 and belongs to the 13 generation of the Intel Core i5 series.
To use the Intel Core i5-1334U, you'll need a motherboard with a BGA 1744 socket.
Intel Core i7 Family Intel Core i5
Mobile Segment Mobile
Intel Core i7-8665U Name Intel Core i5-1334U
Intel Core i 8000U Group Intel Core i 1300P/1300U
8 Generation 13
 
 

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 i5-1334U has 10 CPU cores and can calculate 12 threads in parallel.
The clock frequency of the A-Core is 1.3 GHz.
The number of CPU cores greatly affects the speed of the processor and is an important performance indicator.
Processors with hybrid (big.LITTLE) architecture strike a balance between performance and power efficiency, making them ideal for mobile devices.
4x Cores None
None None 4.6 GHz
2.8 GHz Turbo Frequency (all cores) None
None None 3.4 GHz
None None 1.3 GHz
None None 0.9 GHz
1.9 GHz Frequency None
4 CPU Cores 10
normal Core architecture hybrid (big.LITTLE)
None None 8x Gracemont
Yes Hyperthreading Yes
None None 2x Raptor Cove
No Overclocking No
8 Threads 12
4.8 GHz Turbo Frequency (1 core) None
 
 

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 i5-1334U has integrated graphics, called iGPU for short.
Specifically, the Intel Core i5-1334U uses the Intel Iris Xe Graphics 80 (Alder Lake), which has 640 texture shaders
and 80 execution units.
1.15 GHz GPU (Turbo) 1.25 GHz
Q3/2016 Release date Q1/2022
24 Execution units 80
12 Direct X 12.1
-- Max. displays --
192 Shaders 640
Intel UHD Graphics 620 GPU name Intel Iris Xe Graphics 80 (Alder Lake)
0.3 GHz GPU frequency 0.35 GHz
16.0 GB Max. GPU Memory 32.0 GB
9.5 Generation 13
14 nm Technology 10 nm
 
 

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 VP8 Decode
Decode / Encode VP9 Decode / Encode
Decode / Encode AVC Decode / Encode
Decode / Encode h264 Decode / Encode
Decode / Encode JPEG Decode / Encode
Decode VC-1 Decode
No AV1 Decode
Decode / Encode h265 / HEVC (8 bit) Decode / Encode
Decode / Encode h265 / HEVC (10 bit) Decode / Encode
 
 

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.
The processor supports a maximum memory capacity of 64.0 GB distributed across 2 memory channels. It offers a peak memory bandwidth of 89.6 GB/s. Both the type and quantity of memory can have a substantial impact on the overall system performance.
Yes AES-NI Yes
64.0 GB Max. Memory 64.0 GB
38.4 GB/s Bandwidth 89.6 GB/s
DDR4-2400 Memory type DDR4-3200, LPDDR4X-4266, LPDDR5-6400, DDR5-5200
pci PCIe pci
2 Memory channels 2
No ECC No
 
 

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.
10 W TDP down 12 W
None TDP (PL2) 55 W
25 W TDP up None
15 W TDP (PL1 / PBP) 15 W
100 °C Tjunction max 100 °C
 
 

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 i5-1334U is manufactured using a 10 nm process.
In total, this processor boasts a generous 12.0 MB cache.
Technical data sheet Documents Technical data sheet
Q2/2019 Release date Q1/2023
BGA 1356 Socket BGA 1744
0 bytes L2-Cache 0 bytes
8.0 MB L3-Cache 12.0 MB
Windows 10, Linux, Windows 11 Operating systems Windows 10, Linux, Windows 11
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
-- Part Number --
Whiskey Lake U Architecture Raptor Lake U
VT-x, VT-x EPT, VT-d Virtualization VT-x, VT-x EPT, VT-d
409 $ Release price --
SSE4.1, SSE4.2, AVX2 ISA extensions SSE4.1, SSE4.2, AVX2
Monolithic Chip design Monolithic
14 nm Technology 10 nm