EPYC 9645 vs Celeron J3355

Primary details

Comparing Celeron J3355 and EPYC 9645 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2647	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.05	no data
Market segment	Desktop processor	Server
Series	Intel Celeron	no data
Power efficiency	7.10	no data
Architecture codename	Apollo Lake (2014−2016)	Turin (2024)
Release date	30 August 2016 (8 years ago)	10 October 2024 (less than a year ago)
Launch price (MSRP)	$107	$11,048

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Celeron J3355 and EPYC 9645 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)	96
Threads	2	192
Base clock speed	2 GHz	2.3 GHz
Boost clock speed	2.5 GHz	3.7 GHz
Multiplier	20	no data
L1 cache	no data	80 KB (per core)
L2 cache	1 MB	1 MB (per core)
L3 cache	0 KB	256 MB (shared)
Chip lithography	14 nm	3 nm
Maximum core temperature	105 °C	no data
64 bit support	+	+
Windows 11 compatibility	-	no data

Compatibility

Information on Celeron J3355 and EPYC 9645 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)	2
Socket	FCBGA1296	SP5
Power consumption (TDP)	10 Watt	320 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Celeron J3355 and EPYC 9645. 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
GPIO	+	no data
Smart Connect	-	no data
HD Audio	+	no data
RST	-	no data
Precision Boost 2	no data	+

Security technologies

Celeron J3355 and EPYC 9645 technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Celeron J3355 and EPYC 9645 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 J3355 and EPYC 9645. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3, DDR4	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	700 MHz	no data
Execution Units	12	no data

Graphics interfaces

Available interfaces and connections of Celeron J3355 and EPYC 9645 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 J3355 and EPYC 9645 integrated GPUs, sometimes API versions are included.

DirectX	+	no data
OpenGL	+	no data

Peripherals

Specifications and connection of peripherals supported by Celeron J3355 and EPYC 9645.

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	30 August 2016	10 October 2024
Physical cores	2	96
Threads	2	192
Chip lithography	14 nm	3 nm
Power consumption (TDP)	10 Watt	320 Watt

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