EPYC 7663 vs Celeron 445

Primary details

Comparing Celeron 445 and EPYC 7663 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	not rated	26
Place by popularity	not in top-100	not in top-100
Market segment	Desktop processor	Server
Series	no data	AMD EPYC
Architecture codename	Conroe-CL (2008)	Milan (2021)
Release date	May 2008 (16 years ago)	15 March 2021 (3 years ago)
Launch price (MSRP)	no data	$6,366
Current price	$23	$15069 (2.4x MSRP)

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Celeron 445 and EPYC 7663 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)	56 (Hexapentaconta-Core)
Threads	1	112
Base clock speed	1.86 GHz	2 GHz
Boost clock speed	1.87 GHz	3.5 GHz
L1 cache	64 KB	64 KB (per core)
L2 cache	512 KB	512 KB (per core)
L3 cache	0 KB	256 MB (shared)
Chip lithography	65 nm	7 nm+
Die size	76 mm2	8x 81 mm2
Number of transistors	105 million	33,200 million
64 bit support	+	+
Windows 11 compatibility	-	+
Unlocked multiplier	No	Yes

Compatibility

Information on Celeron 445 and EPYC 7663 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	771	SP3
Power consumption (TDP)	65 Watt	240 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Celeron 445 and EPYC 7663. You'll probably need this information if you require some particular technology.

AES-NI	no data	+
AVX	no data	+
Enhanced SpeedStep (EIST)	+	no data
Turbo Boost Technology	-	no data
Hyper-Threading Technology	-	no data
Demand Based Switching	-	no data
FSB parity	+	no data
Status	Announced	no data

Security technologies

Celeron 445 and EPYC 7663 technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	no data
EDB	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Celeron 445 and EPYC 7663 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Celeron 445 and EPYC 7663. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR2	DDR4-3200
Maximum memory size	no data	4 TiB
Maximum memory bandwidth	no data	204.795 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

no data

N/A

Peripherals

Specifications and connection of peripherals supported by Celeron 445 and EPYC 7663.

PCIe version	no data	4.0
PCI Express lanes	no data	128

Pros & cons summary

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Physical cores	1	56
Threads	1	112
Chip lithography	65 nm	7 nm
Power consumption (TDP)	65 Watt	240 Watt

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