Celeron N4020 vs Pentium 4 1.8A

Primary details

Comparing Pentium 4 1.8A and Celeron N4020 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the rankingnot rated2470
Place by popularitynot in top-10083
Market segmentDesktop processorLaptop
Seriesno dataIntel Gemini Lake
Power efficiencyno data15.35
Architecture codenameWillamette (2000−2001)Gemini Lake Refresh (2019)
Release dateJuly 2001 (23 years ago)4 November 2019 (5 years ago)

Detailed specifications

Pentium 4 1.8A 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 cores1 (Single-Core)2 (Dual-core)
Threads12
Base clock speedno data1.1 GHz
Boost clock speed1.8 GHz2.8 GHz
Bus rateno data15 MHz
L1 cache8 KBno data
L2 cache256 KB4 MB
L3 cache0 KB4 MB
Chip lithography180 nm14 nm
Die size217 mm2no data
Maximum core temperatureno data105 °C
Maximum case temperature (TCase)78 °Cno data
Number of transistors42 millionno data
64 bit support-+
Windows 11 compatibility-+

Compatibility

Information on Pentium 4 1.8A 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 configuration11
Socket423FCBGA1090
Power consumption (TDP)67 Watt6 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium 4 1.8A and Celeron N4020. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataIntel® SSE4.2
AES-NI-+
Enhanced SpeedStep (EIST)no data+
Speed Shiftno data-
Turbo Boost Technologyno data-
Hyper-Threading Technologyno data-
Idle Statesno data+
Thermal Monitoring-+
Smart Responseno data-
GPIOno data+
Turbo Boost Max 3.0no data-

Security technologies

Pentium 4 1.8A and Celeron N4020 technologies aimed at improving security, for example, by protecting against hacks.

EDBno data+
Secure Keyno data+
MPX-+
Identity Protection-+
SGXno dataYes with Intel® ME
OS Guardno data+
Anti-Theftno data-

Virtualization technologies

Virtual machine speed-up technologies supported by Pentium 4 1.8A and Celeron N4020 are enumerated here.

VT-dno data+
VT-xno data+
EPTno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Pentium 4 1.8A and Celeron N4020. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesno dataDDR4
Maximum memory sizeno data8 GB
Max memory channelsno data2

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataIntel UHD Graphics 600
Max video memoryno data8 GB
Quick Sync Video-+
Graphics max frequencyno data650 MHz
Execution Unitsno data12

Graphics interfaces

Available interfaces and connections of Pentium 4 1.8A and Celeron N4020 integrated GPUs.

Number of displays supportedno data3
eDPno data+
DisplayPort-+
HDMI-+
MIPI-DSIno data+

Graphics image quality

Maximum display resolutions supported by Pentium 4 1.8A and Celeron N4020 integrated GPUs, including resolutions over different interfaces.

4K resolution supportno data+
Max resolution over HDMI 1.4no data4096x2160@30Hz
Max resolution over eDPno data4096x2160@60Hz
Max resolution over DisplayPortno data4096x2160@60Hz

Graphics API support

APIs supported by Pentium 4 1.8A and Celeron N4020 integrated GPUs, sometimes API versions are included.

DirectXno data12
OpenGLno data4.4

Peripherals

Specifications and connection of peripherals supported by Pentium 4 1.8A and Celeron N4020.

PCIe versionno data2.0
PCI Express lanesno data6
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+

Pros & cons summary


Physical cores 1 2
Threads 1 2
Chip lithography 180 nm 14 nm
Power consumption (TDP) 67 Watt 6 Watt

Celeron N4020 has 100% more physical cores and 100% more threads, a 1185.7% more advanced lithography process, and 1016.7% lower power consumption.

We couldn't decide between Pentium 4 1.8A and Celeron N4020. We've got no test results to judge.

Note that Pentium 4 1.8A is a desktop processor while Celeron N4020 is a notebook one.


Should you still have questions on choice between Pentium 4 1.8A and Celeron N4020, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.


Intel Pentium 4 1.8A
Pentium 4 1.8A
Intel Celeron N4020
Celeron N4020

Similar processor comparisons

We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.

Community ratings

Here you can see how users rate the processors, as well as rate them yourself.


2.3 29 votes

Rate Pentium 4 1.8A on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
3 1755 votes

Rate Celeron N4020 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Pentium 4 1.8A or Celeron N4020, agree or disagree with our judgements, or report an error or mismatch.