Celeron N4020 vs 4305U

Primary details

Comparing Celeron 4305U and Celeron N4020 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2388	2488
Place by popularity	not in top-100	94
Market segment	Laptop	Laptop
Series	Intel Celeron	Intel Gemini Lake
Power efficiency	7.15	15.22
Architecture codename	Whiskey Lake-U (2018−2019)	Gemini Lake Refresh (2019)
Release date	16 April 2019 (5 years ago)	4 November 2019 (5 years ago)
Launch price (MSRP)	$107	no data

Detailed specifications

Celeron 4305U 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 cores	2 (Dual-core)	2 (Dual-core)
Threads	2	2
Base clock speed	2.2 GHz	1.1 GHz
Boost clock speed	2.2 GHz	2.8 GHz
Bus type	OPI	no data
Bus rate	4 GT/s	15 MHz
Multiplier	22	no data
L1 cache	64 KB (per core)	no data
L2 cache	256 KB (per core)	4 MB
L3 cache	2 MB (shared)	4 MB
Chip lithography	14 nm	14 nm
Maximum core temperature	100 °C	105 °C
64 bit support	+	+
Windows 11 compatibility	+	+

Compatibility

Information on Celeron 4305U 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 configuration	1 (Uniprocessor)	1
Socket	FCBGA1528	FCBGA1090
Power consumption (TDP)	15 Watt	6 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Celeron 4305U and Celeron N4020. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2	Intel® SSE4.2
AES-NI	+	+
Enhanced SpeedStep (EIST)	+	+
Speed Shift	+	-
My WiFi	+	no data
Turbo Boost Technology	-	-
Hyper-Threading Technology	-	-
Idle States	+	+
Thermal Monitoring	+	+
Flex Memory Access	+	no data
Smart Response	+	-
GPIO	no data	+
Turbo Boost Max 3.0	no data	-

Security technologies

Celeron 4305U and Celeron N4020 technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	no data
EDB	+	+
Secure Key	+	+
MPX	-	+
Identity Protection	+	+
SGX	Yes with Intel® ME	Yes with Intel® ME
OS Guard	+	+
Anti-Theft	no data	-

Virtualization technologies

Virtual machine speed-up technologies supported by Celeron 4305U and Celeron N4020 are enumerated here.

VT-d	+	+
VT-x	+	+
EPT	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Celeron 4305U and Celeron N4020. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2133, LPDDR3-1866	DDR4
Maximum memory size	64 GB	8 GB
Max memory channels	2	2
Maximum memory bandwidth	38.397 GB/s	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card Compare	Intel UHD Graphics for 8th Generation Intel Processors	Intel UHD Graphics 600
Max video memory	32 GB	8 GB
Quick Sync Video	+	+
Clear Video	+	no data
Clear Video HD	+	no data
Graphics max frequency	900 MHz	650 MHz
Execution Units	no data	12

Graphics interfaces

Available interfaces and connections of Celeron 4305U and Celeron N4020 integrated GPUs.

Number of displays supported	3	3
eDP	+	+
DisplayPort	+	+
HDMI	+	+
DVI	+	no data
MIPI-DSI	no data	+

Graphics image quality

Maximum display resolutions supported by Celeron 4305U and Celeron N4020 integrated GPUs, including resolutions over different interfaces.

4K resolution support	+	+
Max resolution over HDMI 1.4	4096x2304@24Hz	4096x2160@30Hz
Max resolution over eDP	4096x2304@60Hz	4096x2160@60Hz
Max resolution over DisplayPort	4096x2304@60Hz	4096x2160@60Hz

Graphics API support

APIs supported by Celeron 4305U and Celeron N4020 integrated GPUs, sometimes API versions are included.

DirectX	12	12
OpenGL	4.5	4.4

Peripherals

Specifications and connection of peripherals supported by Celeron 4305U and Celeron N4020.

PCIe version	3.0	2.0
PCI Express lanes	16	6
USB revision	no data	2.0/3.0
Total number of SATA ports	no data	2
Max number of SATA 6 Gb/s Ports	no data	2
Number of USB ports	no data	8
Integrated LAN	no data	-
UART	no 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.

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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.

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Pros & cons summary

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Performance score	1.14	0.97
Integrated graphics card	5.58	0.87
Recency	16 April 2019	4 November 2019
Power consumption (TDP)	15 Watt	6 Watt

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Should you still have questions on choice between Celeron 4305U and Celeron N4020, ask them in Comments section, and we shall answer.

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