Celeron N4020 vs i7-8665U

Aggregate performance score

Core i7-8665U
2018
4 cores / 8 threads, 15 Watt
3.94
+306%
Celeron N4020
2019
2 cores / 2 threads, 6 Watt
0.97

Core i7-8665U outperforms Celeron N4020 by a whopping 306% based on our aggregate benchmark results.

Primary details

Comparing Core i7-8665U and Celeron N4020 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking14342478
Place by popularitynot in top-10083
Market segmentLaptopLaptop
SeriesIntel Core i7Intel Gemini Lake
Power efficiency24.8615.30
Architecture codenameWhiskey Lake-U (2018−2019)Gemini Lake Refresh (2019)
Release date1 October 2018 (6 years ago)4 November 2019 (5 years ago)
Launch price (MSRP)$409no data

Detailed specifications

Core i7-8665U and Celeron N4020 basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.

Physical cores4 (Quad-Core)2 (Dual-core)
Threads82
Base clock speed1.9 GHz1.1 GHz
Boost clock speed4.8 GHz2.8 GHz
Bus typeOPIno data
Bus rate4 GT/s15 MHz
Multiplier19no data
L1 cache64 KB (per core)no data
L2 cache256 KB (per core)4 MB
L3 cache8 MB (shared)4 MB
Chip lithography14 nm14 nm
Maximum core temperature100 °C105 °C
64 bit support++
Windows 11 compatibility++

Compatibility

Information on Core i7-8665U and Celeron N4020 compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

Number of CPUs in a configuration1 (Uniprocessor)1
SocketFCBGA1528FCBGA1090
Power consumption (TDP)15 Watt6 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-8665U and Celeron N4020. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2Intel® SSE4.2
AES-NI++
AVX+-
Enhanced SpeedStep (EIST)++
Speed Shift+-
My WiFi+no data
Turbo Boost Technology2.0-
Hyper-Threading Technology+-
TSX+-
Idle States++
Thermal Monitoring++
Flex Memory Access+no data
SIPP+-
Smart Response+-
GPIOno data+
Turbo Boost Max 3.0no data-

Security technologies

Core i7-8665U and Celeron N4020 technologies aimed at improving security, for example, by protecting against hacks.

TXT+no data
EDB++
Secure Key++
MPX++
Identity Protection++
SGXYes with Intel® MEYes with Intel® ME
OS Guard++
Anti-Theftno data-

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-8665U and Celeron N4020 are enumerated here.

AMD-V+-
VT-d++
VT-x++
EPT++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-8665U and Celeron N4020. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4DDR4
Maximum memory size64 GB8 GB
Max memory channels22
Maximum memory bandwidth38.397 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel® UHD Graphics for 8th Generation Intel® ProcessorsIntel UHD Graphics 600
Max video memory32 GB8 GB
Quick Sync Video++
Clear Video+no data
Clear Video HD+no data
Graphics max frequency1.15 GHz650 MHz
Execution Unitsno data12

Graphics interfaces

Available interfaces and connections of Core i7-8665U and Celeron N4020 integrated GPUs.

Number of displays supported33
eDP++
DisplayPort++
HDMI++
DVI+no data
MIPI-DSIno data+

Graphics image quality

Maximum display resolutions supported by Core i7-8665U and Celeron N4020 integrated GPUs, including resolutions over different interfaces.

4K resolution support++
Max resolution over HDMI 1.44096 x 2304@24Hz4096x2160@30Hz
Max resolution over eDP4096 x 2304@60Hz4096x2160@60Hz
Max resolution over DisplayPort4096 x 2304@60Hz4096x2160@60Hz

Graphics API support

APIs supported by Core i7-8665U and Celeron N4020 integrated GPUs, sometimes API versions are included.

DirectX1212
OpenGL4.54.4

Peripherals

Specifications and connection of peripherals supported by Core i7-8665U and Celeron N4020.

PCIe version3.02.0
PCI Express lanes166
USB revisionno data2.0/3.0
Total number of SATA portsno data2
Max number of SATA 6 Gb/s Portsno data2
Number of USB portsno data8
Integrated LANno data-
UARTno data+

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.


Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

i7-8665U 3.94
+306%
Celeron N4020 0.97

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

i7-8665U 6252
+304%
Celeron N4020 1548

GeekBench 5 Single-Core

GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.

i7-8665U 765
+123%
Celeron N4020 343

GeekBench 5 Multi-Core

GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.

i7-8665U 2425
+343%
Celeron N4020 547

Cinebench 10 32-bit single-core

Cinebench R10 is an ancient ray tracing benchmark for processors by Maxon, authors of Cinema 4D. Its single core version uses just one CPU thread to render a futuristic looking motorcycle.

i7-8665U 6872
+215%
Celeron N4020 2184

Cinebench 10 32-bit multi-core

Cinebench Release 10 Multi Core is a variant of Cinebench R10 using all the processor threads. Possible number of threads is limited by 16 in this version.

i7-8665U 18427
+316%
Celeron N4020 4427

3DMark06 CPU

3DMark06 is a discontinued DirectX 9 benchmark suite from Futuremark. Its CPU part contains two scenarios, one dedicated to artificial intelligence pathfinding, another to game physics using PhysX package.

i7-8665U 6365
+155%
Celeron N4020 2495

wPrime 32

wPrime 32M is a math multi-thread processor test, which calculates square roots of first 32 million integer numbers. Its result is measured in seconds, so that the less is benchmark result, the faster the processor.

i7-8665U 9.98
+197%
Celeron N4020 29.66

Cinebench 11.5 64-bit multi-core

Cinebench Release 11.5 Multi Core is a variant of Cinebench R11.5 which uses all the processor threads. A maximum of 64 threads is supported in this version.

i7-8665U 5
+185%
Celeron N4020 2

Cinebench 15 64-bit multi-core

Cinebench Release 15 Multi Core is a variant of Cinebench R15 which uses all the processor threads.

i7-8665U 670
+427%
Celeron N4020 127

Cinebench 15 64-bit single-core

Cinebench R15 (standing for Release 15) is a benchmark made by Maxon, authors of Cinema 4D. It was superseded by later versions of Cinebench, which use more modern variants of Cinema 4D engine. The Single Core version (sometimes called Single-Thread) only uses a single processor thread to render a room full of reflective spheres and light sources.

i7-8665U 180
+144%
Celeron N4020 74

Cinebench 11.5 64-bit single-core

Cinebench R11.5 is an old benchmark by Maxon, authors of Cinema 4D. It was superseded by later versions of Cinebench, which use more modern variants of Cinema 4D engine. The Single Core version loads a single thread with ray tracing to render a glossy room full of crystal spheres and light sources.

i7-8665U 1.67
+77.7%
Celeron N4020 0.94

TrueCrypt AES

TrueCrypt is a discontinued piece of software that was widely used for on-the-fly-encryption of disk partitions, now superseded by VeraCrypt. It contains several embedded performance tests, one of them being TrueCrypt AES, which measures data encryption speed using AES algorithm. Result is encryption speed in gigabytes per second.

i7-8665U 2.6
+174%
Celeron N4020 1

x264 encoding pass 2

x264 Pass 2 is a slower variant of x264 video compression that produces a variable bit rate output file, which results in better quality since the higher bit rate is used when it is needed more. Benchmark result is still measured in frames per second.  

i7-8665U 32
+221%
Celeron N4020 10

x264 encoding pass 1

x264 version 4.0 is a video encoding benchmark uses MPEG 4 x264 compression method to compress a sample HD (720p) video. Pass 1 is a faster variant that produces a constant bit rate output file. Its result is measured in frames per second, which means how many frames of the source video file were encoded per second.  

i7-8665U 139
+177%
Celeron N4020 50

WinRAR 4.0

WinRAR 4.0 is an outdated version of a popular file archiver. It contains an internal speed test, using 'Best' setting of RAR compression on large chunks of randomly generated data. Its results are measured in kilobytes per second.

i7-8665U 3418
+346%
Celeron N4020 766

Geekbench 5.5 Multi-Core

i7-8665U 2671
+219%
Celeron N4020 836

Blender(-)

i7-8665U 755
Celeron N4020 4064
+439%

Geekbench 5.5 Single-Core

i7-8665U 1039
+125%
Celeron N4020 462

7-Zip Single

i7-8665U 4706
+91.6%
Celeron N4020 2456

7-Zip

i7-8665U 18298
+307%
Celeron N4020 4498

Gaming performance

Pros & cons summary


Performance score 3.94 0.97
Recency 1 October 2018 4 November 2019
Physical cores 4 2
Threads 8 2
Power consumption (TDP) 15 Watt 6 Watt

i7-8665U has a 306.2% higher aggregate performance score, and 100% more physical cores and 300% more threads.

Celeron N4020, on the other hand, has an age advantage of 1 year, and 150% lower power consumption.

The Core i7-8665U is our recommended choice as it beats the Celeron N4020 in performance tests.


Should you still have questions on choice between Core i7-8665U and Celeron N4020, ask them in Comments section, and we shall answer.

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Intel Core i7-8665U
Core i7-8665U
Intel Celeron N4020
Celeron N4020

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