EPYC 7773X vs Xeon E7-8870 v3

Primary details

Comparing Xeon E7-8870 v3 and EPYC 7773X processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	not rated	21
Place by popularity	not in top-100	not in top-100
Market segment	Server	Server
Power efficiency	no data	19.47
Architecture codename	Haswell-EX (2015)	Milan-X (2022)
Release date	1 June 2015 (9 years ago)	22 March 2022 (2 years ago)

Detailed specifications

Xeon E7-8870 v3 and EPYC 7773X 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	18 (Octadeca-Core)	64 (Tetrahexaconta-Core)
Threads	36	128
Base clock speed	2.1 GHz	2.2 GHz
Boost clock speed	2.9 GHz	3.5 GHz
Bus rate	9.6 GT/s	no data
L1 cache	64 KB (per core)	64K (per core)
L2 cache	256 KB (per core)	512K (per core)
L3 cache	45 MB (shared)	768 MB (shared)
Chip lithography	22 nm	7 nm
Die size	160 mm2	8x 81 mm2
Maximum core temperature	75 °C	no data
Number of transistors	1,400 million	33,200 million
64 bit support	+	-
Windows 11 compatibility	-	no data

Compatibility

Information on Xeon E7-8870 v3 and EPYC 7773X 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	SP3
Power consumption (TDP)	140 Watt	280 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E7-8870 v3 and EPYC 7773X. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® AVX2	no data
AES-NI	+	+
AVX	+	+
vPro	+	no data
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
Status	Discontinued	no data
Precision Boost 2	no data	+

Security technologies

Xeon E7-8870 v3 and EPYC 7773X 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 E7-8870 v3 and EPYC 7773X 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 E7-8870 v3 and EPYC 7773X. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3, DDR4	DDR4-3200
Maximum memory size	1.5 TB	no data
Max memory channels	4	no data
Maximum memory bandwidth	85 GB/s	no data
ECC memory support	+	-

Peripherals

Specifications and connection of peripherals supported by Xeon E7-8870 v3 and EPYC 7773X.

PCIe version	3.0	4.0
PCI Express lanes	32	128

Pros & cons summary

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Recency	1 June 2015	22 March 2022
Physical cores	18	64
Threads	36	128
Chip lithography	22 nm	7 nm
Power consumption (TDP)	140 Watt	280 Watt

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