EPYC 7643 vs Celeron B730

Primary details

Comparing Celeron B730 and EPYC 7643 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	not rated	39
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	no data	6.37
Market segment	Laptop	Server
Series	Intel Celeron	AMD EPYC
Power efficiency	no data	20.14
Architecture codename	Sandy Bridge (2011−2013)	Milan (2021−2023)
Release date	1 July 2012 (12 years ago)	15 March 2021 (3 years ago)
Launch price (MSRP)	$70	$4,995

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Celeron B730 and EPYC 7643 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	1 (Single-Core)	48 (Octatetraconta-Core)
Threads	2	96
Base clock speed	no data	2.3 GHz
Boost clock speed	1.8 GHz	3.6 GHz
Bus type	DMI 2.0	no data
Bus rate	4 × 5 GT/s	no data
Multiplier	18	23
L1 cache	64K (per core)	64 KB (per core)
L2 cache	256K (per core)	512 KB (per core)
L3 cache	1.5 MB (shared)	256 MB (shared)
Chip lithography	32 nm	7 nm+
Die size	131 mm2	8x 81 mm2
Maximum core temperature	100 °C	no data
Number of transistors	504 million	33,200 million
64 bit support	+	+
Windows 11 compatibility	-	+

Compatibility

Information on Celeron B730 and EPYC 7643 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	G2 (988B)	SP3
Power consumption (TDP)	35 Watt	225 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Celeron B730 and EPYC 7643. You'll probably need this information if you require some particular technology.

AES-NI	-	+
FMA	+	-
AVX	-	+
Enhanced SpeedStep (EIST)	+	no data
Hyper-Threading Technology	+	no data
Idle States	+	no data
Thermal Monitoring	+	-

Security technologies

Celeron B730 and EPYC 7643 technologies aimed at improving security, for example, by protecting against hacks.

EDB

+

no data

Virtualization technologies

Virtual machine speed-up technologies supported by Celeron B730 and EPYC 7643 are enumerated here.

AMD-V	-	+
VT-x	+	no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Celeron B730 and EPYC 7643. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR4-3200
Maximum memory size	16 GB	4 TiB
Max memory channels	2	no data
Maximum memory bandwidth	21.335 GB/s	204.795 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

Intel HD Graphics (Sandy Bridge)

N/A

Peripherals

Specifications and connection of peripherals supported by Celeron B730 and EPYC 7643.

PCIe version	no data	4.0
PCI Express lanes	no data	128

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.

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Pros & cons summary

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Recency	1 July 2012	15 March 2021
Physical cores	1	48
Threads	2	96
Chip lithography	32 nm	7 nm
Power consumption (TDP)	35 Watt	225 Watt

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Should you still have questions on choice between Celeron B730 and EPYC 7643, ask them in Comments section, and we shall answer.

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