EPYC 9455 vs Celeron J3455E

Primary details

Comparing Celeron J3455E and EPYC 9455 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2235	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Desktop processor	Server
Power efficiency	13.06	no data
Architecture codename	no data	Turin (2024)
Release date	1 July 2019 (5 years ago)	10 October 2024 (less than a year ago)
Launch price (MSRP)	no data	$5,412

Detailed specifications

Celeron J3455E 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	4 (Quad-Core)	48 (Octatetraconta-Core)
Threads	4	96
Base clock speed	1.5 GHz	3.15 GHz
Boost clock speed	2.3 GHz	4.4 GHz
L1 cache	no data	80 KB (per core)
L2 cache	no data	1 MB (per core)
L3 cache	2 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 J3455E 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	no data	SP5
Power consumption (TDP)	10 Watt	300 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Celeron J3455E and EPYC 9455. You'll probably need this information if you require some particular technology.

AES-NI	+	+
AVX	-	+
Enhanced SpeedStep (EIST)	+	no data
Turbo Boost Technology	-	no data
Hyper-Threading Technology	-	no data
Idle States	+	no data
Thermal Monitoring	+	-
Smart Response	-	no data
Precision Boost 2	no data	+

Security technologies

Celeron J3455E and EPYC 9455 technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	no data
EDB	+	no data
Secure Key	+	no data
Identity Protection	+	-
Anti-Theft	-	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Celeron J3455E and EPYC 9455 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Celeron J3455E and EPYC 9455. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3L/LPDDR3 up to 1866 MT/s; 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 HD Graphics 500	N/A
Max video memory	8 GB	no data
Quick Sync Video	+	-
Clear Video	+	no data
Clear Video HD	+	no data
Graphics max frequency	750 MHz	no data
Execution Units	12	no data

Graphics interfaces

Available interfaces and connections of Celeron J3455E and EPYC 9455 integrated GPUs.

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

Graphics API support

APIs supported by Celeron J3455E and EPYC 9455 integrated GPUs, sometimes API versions are included.

DirectX	+	no data
OpenGL	+	no data

Peripherals

Specifications and connection of peripherals supported by Celeron J3455E and EPYC 9455.

PCIe version	2.0	5.0
PCI Express lanes	6	128

Pros & cons summary

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Recency	1 July 2019	10 October 2024
Physical cores	4	48
Threads	4	96
Chip lithography	14 nm	4 nm
Power consumption (TDP)	10 Watt	300 Watt

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