EPYC 9645 vs EPYC 7532

Primary details

Comparing EPYC 7532 and EPYC 9645 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	116	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Server	Server
Series	AMD EPYC	no data
Power efficiency	15.72	no data
Architecture codename	Zen 2 (2017−2020)	Turin (2024)
Release date	19 February 2020 (4 years ago)	10 October 2024 (recently)
Launch price (MSRP)	no data	$11,048

Detailed specifications

EPYC 7532 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	32 (Dotriaconta-Core)	96
Threads	64	192
Base clock speed	2.4 GHz	2.3 GHz
Boost clock speed	3.3 GHz	3.7 GHz
Multiplier	24	no data
L1 cache	2 MB	80 KB (per core)
L2 cache	16 MB	1 MB (per core)
L3 cache	256 MB	256 MB (shared)
Chip lithography	7 nm, 14 nm	3 nm
64 bit support	+	+
Windows 11 compatibility	+	no data

Compatibility

Information on EPYC 7532 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	no data	2
Socket	Socket SP3	SP5
Power consumption (TDP)	200 Watt	320 Watt

Technologies and extensions

Technological solutions and additional instructions supported by EPYC 7532 and EPYC 9645. You'll probably need this information if you require some particular technology.

AES-NI	+	+
AVX	+	+
Precision Boost 2	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by EPYC 7532 and EPYC 9645 are enumerated here.

AMD-V

+

+

Memory specs

Types, maximum amount and channel quantity of RAM supported by EPYC 7532 and EPYC 9645. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-3200	DDR5
Maximum memory size	4 TiB	no data
Max memory channels	8	no data
Maximum memory bandwidth	204.763 GB/s	no data
ECC memory support	+	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

no data

N/A

Peripherals

Specifications and connection of peripherals supported by EPYC 7532 and EPYC 9645.

PCIe version	no data	5.0
PCI Express lanes	no data	128

Pros & cons summary

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Recency	19 February 2020	10 October 2024
Physical cores	32	96
Threads	64	192
Chip lithography	7 nm	3 nm
Power consumption (TDP)	200 Watt	320 Watt

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