EPYC 9645 vs Xeon E7-8880 v4

Primary details

Comparing Xeon E7-8880 v4 and EPYC 9645 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	not rated	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Server	Server
Architecture codename	no data	Turin (2024)
Release date	1 April 2016 (8 years ago)	10 October 2024 (less than a year ago)
Launch price (MSRP)	no data	$11,048

Detailed specifications

Xeon E7-8880 v4 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	22 (Docosa-Core)	96
Threads	44	192
Base clock speed	2.2 GHz	2.3 GHz
Boost clock speed	3.3 GHz	3.7 GHz
Bus rate	9.6 GT/s	no data
L1 cache	no data	80 KB (per core)
L2 cache	no data	1 MB (per core)
L3 cache	55 MB	256 MB (shared)
Chip lithography	14 nm	3 nm
Maximum core temperature	77 °C	no data
64 bit support	+	+
Windows 11 compatibility	-	no data

Compatibility

Information on Xeon E7-8880 v4 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	8	2
Socket	FCLGA2011	SP5
Power consumption (TDP)	150 Watt	320 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E7-8880 v4 and EPYC 9645. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® AVX2	no data
AES-NI	+	+
AVX	-	+
Enhanced SpeedStep (EIST)	+	no data
Turbo Boost Technology	2.0	no data
Hyper-Threading Technology	+	no data
TSX	+	-
Idle States	+	no data
Thermal Monitoring	+	-
PAE	46 Bit	no data
Precision Boost 2	no data	+

Security technologies

Xeon E7-8880 v4 and EPYC 9645 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	no data
EDB	+	no data
Secure Key	+	no data
OS Guard	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E7-8880 v4 and EPYC 9645 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E7-8880 v4 and EPYC 9645. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-1333, DDR4-1600, DDR4-1866, DDR3-1066, DDR3-1333, DDR3-1600	DDR5
Maximum memory size	3 TB	no data
Max memory channels	4	no data
Maximum memory bandwidth	85 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 Xeon E7-8880 v4 and EPYC 9645.

PCIe version	3.0	5.0
PCI Express lanes	32	128

Pros & cons summary

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Recency	1 April 2016	10 October 2024
Physical cores	22	96
Threads	44	192
Chip lithography	14 nm	3 nm
Power consumption (TDP)	150 Watt	320 Watt

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