EPYC 9455 vs Celeron N4020C

Primary details

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

Place in the ranking	2484	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Server
Power efficiency	15.30	no data
Architecture codename	no data	Turin (2024)
Release date	1 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 cores	2 (Dual-core)	48 (Octatetraconta-Core)
Threads	2	96
Base clock speed	1.1 GHz	3.15 GHz
Boost clock speed	2.8 GHz	4.4 GHz
L1 cache	no data	80 KB (per core)
L2 cache	no data	1 MB (per core)
L3 cache	4 MB	192 MB (shared)
Chip lithography	14 nm	4 nm
Die size	no data	6x 70.6 mm2
Maximum core temperature	105 °C	no data
Number of transistors	no data	49,890 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 configuration	1	2
Socket	FCBGA1090	SP5
Power consumption (TDP)	6 Watt	300 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 extensions	Intel® SSE4.2	no 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 2	no 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	+	-
SGX	Yes with Intel® ME	no 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 types	DDR4/LPDDR4 up to 2400 MT/s	DDR5
Maximum memory size	8 GB	no data
Max memory channels	2	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel UHD Graphics 600	N/A
Max video memory	8 GB	no data
Quick Sync Video	+	-
Graphics max frequency	650 MHz	no data
Execution Units	12	no data

Graphics interfaces

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

Number of displays supported	3	no 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 1.4	4096x2160@30Hz	no data
Max resolution over eDP	4096x2160@60Hz	no data
Max resolution over DisplayPort	4096x2160@60Hz	no data

Graphics API support

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

DirectX	12	no data
OpenGL	4.4	no data

Peripherals

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

PCIe version	2.0	5.0
PCI Express lanes	6	128
USB revision	2.0/3.0	no data
Total number of SATA ports	2	no data
Max number of SATA 6 Gb/s Ports	2	no data
Number of USB ports	8	no data
Integrated LAN	-	no data
UART	+	no data

Pros & cons summary

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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

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