EPYC 9455 vs Celeron N4020C

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Primary details

Comparing Celeron N4020C and EPYC 9455 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking2500not rated
Place by popularitynot in top-100not in top-100
Market segmentLaptopServer
Power efficiency15.30no data
Architecture codenameno dataTurin (2024)
Release date1 January 2021 (3 years ago)10 October 2024 (less than a year ago)
Launch price (MSRP)no data$5,412

Detailed specifications

Celeron N4020C and EPYC 9455 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 cores2 (Dual-core)48 (Octatetraconta-Core)
Threads296
Base clock speed1.1 GHz3.15 GHz
Boost clock speed2.8 GHz4.4 GHz
L1 cacheno data80 KB (per core)
L2 cacheno data1 MB (per core)
L3 cache4 MB192 MB (shared)
Chip lithography14 nm4 nm
Die sizeno data6x 70.6 mm2
Maximum core temperature105 °Cno data
Number of transistorsno data49,890 million
64 bit support++
Windows 11 compatibility-no data

Compatibility

Information on Celeron N4020C and EPYC 9455 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 configuration12
SocketFCBGA1090SP5
Power consumption (TDP)6 Watt300 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Celeron N4020C and EPYC 9455. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.2no data
AES-NI++
AVX-+
vPro-no data
Enhanced SpeedStep (EIST)+no data
Speed Shift-no data
Turbo Boost Technology-no data
Hyper-Threading Technology-no data
Idle States+no data
Thermal Monitoring+-
Smart Response-no data
GPIO+no data
Turbo Boost Max 3.0-no data
Precision Boost 2no data+

Security technologies

Celeron N4020C and EPYC 9455 technologies aimed at improving security, for example, by protecting against hacks.

EDB+no data
Secure Key+no data
MPX+-
Identity Protection+-
SGXYes with Intel® MEno data
OS Guard+no data
Anti-Theft-no data

Virtualization technologies

Virtual machine speed-up technologies supported by Celeron N4020C and EPYC 9455 are enumerated here.

AMD-V-+
VT-d+no data
VT-x+no data
EPT+no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Celeron N4020C and EPYC 9455. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4/LPDDR4 up to 2400 MT/sDDR5
Maximum memory size8 GBno data
Max memory channels2no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel UHD Graphics 600N/A
Max video memory8 GBno data
Quick Sync Video+-
Graphics max frequency650 MHzno data
Execution Units12no data

Graphics interfaces

Available interfaces and connections of Celeron N4020C and EPYC 9455 integrated GPUs.

Number of displays supported3no data
eDP+no data
DisplayPort+-
HDMI+-
MIPI-DSI+no data

Graphics image quality

Maximum display resolutions supported by Celeron N4020C and EPYC 9455 integrated GPUs, including resolutions over different interfaces.

4K resolution support+no data
Max resolution over HDMI 1.44096x2160@30Hzno data
Max resolution over eDP4096x2160@60Hzno data
Max resolution over DisplayPort4096x2160@60Hzno data

Graphics API support

APIs supported by Celeron N4020C and EPYC 9455 integrated GPUs, sometimes API versions are included.

DirectX12no data
OpenGL4.4no data

Peripherals

Specifications and connection of peripherals supported by Celeron N4020C and EPYC 9455.

PCIe version2.05.0
PCI Express lanes6128
USB revision2.0/3.0no data
Total number of SATA ports2no data
Max number of SATA 6 Gb/s Ports2no data
Number of USB ports8no data
Integrated LAN-no data
UART+no data

Pros & cons summary


Recency 1 January 2021 10 October 2024
Physical cores 2 48
Threads 2 96
Chip lithography 14 nm 4 nm
Power consumption (TDP) 6 Watt 300 Watt

Celeron N4020C has 4900% lower power consumption.

EPYC 9455, on the other hand, has an age advantage of 3 years, 2300% more physical cores and 4700% more threads, and a 250% more advanced lithography process.

We couldn't decide between Celeron N4020C and EPYC 9455. We've got no test results to judge.

Be aware that Celeron N4020C is a notebook processor while EPYC 9455 is a server/workstation one.


Should you still have questions on choice between Celeron N4020C and EPYC 9455, ask them in Comments section, and we shall answer.

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Intel Celeron N4020C
Celeron N4020C
AMD EPYC 9455
EPYC 9455

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