Xeon Gold 5520 vs E5-2643

Primary details

Comparing Xeon E5-2643 and Xeon Gold 5520 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	1563	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	2.09	no data
Market segment	Server	Server
Power efficiency	2.45	no data
Architecture codename	Sandy Bridge-EP (2012)	no data
Release date	6 March 2012 (12 years ago)	1 October 2023 (1 year ago)
Launch price (MSRP)	$218	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon E5-2643 and Xeon Gold 5520 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	4 (Quad-Core)	28 (Octacosa-Core)
Threads	8	56
Base clock speed	3.3 GHz	2.2 GHz
Boost clock speed	3.5 GHz	4 GHz
Bus rate	8 GT/s	no data
L1 cache	64 KB (per core)	no data
L2 cache	256 KB (per core)	no data
L3 cache	10240 KB (shared)	52.5 MB
Chip lithography	32 nm	Intel 7 nm
Die size	294 mm2	no data
Maximum core temperature	73 °C	85 °C
Number of transistors	1,270 million	no data
64 bit support	+	-
Windows 11 compatibility	-	no data

Compatibility

Information on Xeon E5-2643 and Xeon Gold 5520 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	2	no data
Socket	FCLGA2011	FCLGA4677
Power consumption (TDP)	130 Watt	205 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5-2643 and Xeon Gold 5520. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® AVX	Intel® AMX, Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512
AES-NI	+	+
AVX	+	-
Enhanced SpeedStep (EIST)	+	no data
Speed Shift	no data	+
Turbo Boost Technology	2.0	2.0
Hyper-Threading Technology	+	+
TSX	-	+
Idle States	+	no data
Thermal Monitoring	+	-
Flex Memory Access	-	no data
Demand Based Switching	+	no data
Deep Learning Boost	-	+

Security technologies

Xeon E5-2643 and Xeon Gold 5520 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	+
SGX	no data	Yes with Intel® SPS
OS Guard	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E5-2643 and Xeon Gold 5520 are enumerated here.

VT-d	+	+
VT-x	+	+
EPT	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E5-2643 and Xeon Gold 5520. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR5-4800, DDR5-4400
Maximum memory size	384 GB	4 TB
Max memory channels	4	8
Maximum memory bandwidth	51.2 GB/s	no data
ECC memory support	+	+

Peripherals

Specifications and connection of peripherals supported by Xeon E5-2643 and Xeon Gold 5520.

PCIe version	3.0	5.0
PCI Express lanes	40	80

Pros & cons summary

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Recency	6 March 2012	1 October 2023
Physical cores	4	28
Threads	8	56
Power consumption (TDP)	130 Watt	205 Watt

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Should you still have questions on choice between Xeon E5-2643 and Xeon Gold 5520, ask them in Comments section, and we shall answer.

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