EPYC 7453 vs Xeon E7420

Primary details

Comparing Xeon E7420 and EPYC 7453 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	not rated	128
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	no data	16.26
Market segment	Server	Server
Series	no data	AMD EPYC
Power efficiency	no data	13.40
Architecture codename	no data	Milan (2021−2023)
Release date	1 July 2008 (16 years ago)	12 January 2021 (3 years ago)
Launch price (MSRP)	no data	$1,570

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon E7420 and EPYC 7453 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	28 (Octacosa-Core)
Threads	no data	56
Base clock speed	2.13 GHz	2.75 GHz
Boost clock speed	no data	3.45 GHz
Multiplier	no data	27.5
L1 cache	no data	1792 KB
L2 cache	no data	14 MB
L3 cache	8 MB L2 Cache	64 MB (shared)
Chip lithography	45 nm	7 nm+
Die size	no data	4x 81 mm2
Maximum core temperature	68 °C	no data
Number of transistors	no data	16,600 million
64 bit support	+	+
Windows 11 compatibility	-	+
VID voltage range	0.9V-1.45V	no data

Compatibility

Information on Xeon E7420 and EPYC 7453 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	225 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E7420 and EPYC 7453. 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

Security technologies

Xeon E7420 and EPYC 7453 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 7453 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 7453. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	no data	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 Xeon E7420 and EPYC 7453.

PCIe version	no data	4.0
PCI Express lanes	no data	128

Pros & cons summary

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Recency	1 July 2008	12 January 2021
Chip lithography	45 nm	7 nm
Power consumption (TDP)	90 Watt	225 Watt

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