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

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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 i5-1334U 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.
Mobile Segment Mobile
Intel Core i 8000U Group Intel Core i 1300P/1300U
8 Generation 13
Intel Core i7-8665U Name Intel Core i5-1334U
Intel Core i7 Family Intel Core i5
 
 

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.
4 CPU Cores 10
No Overclocking No
1.9 GHz Frequency None
Yes Hyperthreading Yes
4.8 GHz Turbo Frequency (1 core) None
None None 1.3 GHz
None None 8x Gracemont
8 Threads 12
None None 0.9 GHz
None None 2x Raptor Cove
None None 3.4 GHz
normal Core architecture hybrid (big.LITTLE)
2.8 GHz Turbo Frequency (all cores) None
4x Cores None
None None 4.6 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 i5-1334U 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.
16.0 GB Max. GPU Memory 32.0 GB
12 Direct X 12.1
0.3 GHz GPU frequency 0.35 GHz
9.5 Generation 13
Q3/2016 Release date Q1/2022
1.15 GHz GPU (Turbo) 1.25 GHz
24 Execution units 80
-- Max. displays --
Intel UHD Graphics 620 GPU name Intel Iris Xe Graphics 80 (Alder Lake)
14 nm Technology 10 nm
192 Shaders 640
 
 

Artificial Intelligence and Machine Learning

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

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.
No AV1 Decode
Decode / Encode JPEG Decode / Encode
Decode VC-1 Decode
Decode / Encode h264 Decode / Encode
Decode / Encode AVC Decode / Encode
Decode / Encode h265 / HEVC (8 bit) Decode / Encode
Decode / Encode h265 / HEVC (10 bit) Decode / Encode
Decode / Encode VP8 Decode
Decode / Encode VP9 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.
64.0 GB Max. Memory 64.0 GB
38.4 GB/s Bandwidth 89.6 GB/s
2 Memory channels 2
No ECC No
pci PCIe pci
DDR4-2400 Memory type DDR4-3200, LPDDR4X-4266, LPDDR5-6400, DDR5-5200
Yes AES-NI Yes
 
 

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.
15 W TDP (PL1 / PBP) 15 W
10 W TDP down 12 W
25 W TDP up None
None TDP (PL2) 55 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.
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
BGA 1356 Socket BGA 1744
8.0 MB L3-Cache 12.0 MB
VT-x, VT-x EPT, VT-d Virtualization VT-x, VT-x EPT, VT-d
SSE4.1, SSE4.2, AVX2 ISA extensions SSE4.1, SSE4.2, AVX2
Monolithic Chip design Monolithic
Q2/2019 Release date Q1/2023
Windows 10, Linux, Windows 11 Operating systems Windows 10, Linux, Windows 11
-- Part Number --
0 bytes L2-Cache 0 bytes
409 $ Release price --
Whiskey Lake U Architecture Raptor Lake U
14 nm Technology 10 nm
Technical data sheet Documents Technical data sheet