EPYC 7473X vs Xeon E7420

Primary details

Comparing Xeon E7420 and EPYC 7473X processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	not rated	86
Place by popularity	not in top-100	not in top-100
Market segment	Server	Server
Power efficiency	no data	14.72
Architecture codename	no data	Milan-X (2022)
Release date	1 July 2008 (16 years ago)	22 March 2022 (2 years ago)

Detailed specifications

Xeon E7420 and EPYC 7473X 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	no data	24 (Tetracosa-Core)
Threads	no data	48
Base clock speed	2.13 GHz	2.8 GHz
Boost clock speed	no data	3.7 GHz
L1 cache	no data	64K (per core)
L2 cache	no data	512K (per core)
L3 cache	8 MB L2 Cache	768 MB (shared)
Chip lithography	45 nm	7 nm
Die size	no data	8x 81 mm2
Maximum core temperature	68 °C	no data
Number of transistors	no data	33,200 million
64 bit support	+	-
Windows 11 compatibility	-	no data
VID voltage range	0.9V-1.45V	no data

Compatibility

Information on Xeon E7420 and EPYC 7473X 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	PGA604	SP3
Power consumption (TDP)	90 Watt	240 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E7420 and EPYC 7473X. You'll probably need this information if you require some particular technology.

AES-NI	-	+
AVX	-	+
Enhanced SpeedStep (EIST)	-	no data
Turbo Boost Technology	-	no data
Hyper-Threading Technology	-	no data
Idle States	-	no data
Demand Based Switching	+	no data
FSB parity	+	no data
Precision Boost 2	no data	+

Security technologies

Xeon E7420 and EPYC 7473X 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 Xeon E7420 and EPYC 7473X are enumerated here.

AMD-V	-	+
VT-x	+	no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E7420 and EPYC 7473X. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types

no data

DDR4-3200

Peripherals

Specifications and connection of peripherals supported by Xeon E7420 and EPYC 7473X.

PCIe version	no data	4.0
PCI Express lanes	no data	128

Pros & cons summary

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Recency	1 July 2008	22 March 2022
Chip lithography	45 nm	7 nm
Power consumption (TDP)	90 Watt	240 Watt

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