Xeon Gold 6542Y vs E5-4648 V3

Primary details

Comparing Xeon E5-4648 V3 and Xeon Gold 6542Y processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	1130	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Server	Server
Power efficiency	5.14	no data
Architecture codename	Haswell-EP (2014−2015)	Emerald Rapids (2023)
Release date	1 June 2015 (9 years ago)	14 December 2023 (less than a year ago)
Launch price (MSRP)	no data	$2,878

Detailed specifications

Xeon E5-4648 V3 and Xeon Gold 6542Y 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	12 (Dodeca-Core)	24 (Tetracosa-Core)
Threads	24	48
Base clock speed	1.7 GHz	2.9 GHz
Boost clock speed	2.2 GHz	4.1 GHz
L1 cache	64K (per core)	80 KB (per core)
L2 cache	256K (per core)	2 MB (per core)
L3 cache	30 MB (shared)	60 MB (shared)
Chip lithography	22 nm	Intel 7 nm
Die size	356 mm2	2x 763 mm2
Maximum case temperature (TCase)	87 °C	83 °C
Number of transistors	2,600 million	no data
64 bit support	+	+

Compatibility

Information on Xeon E5-4648 V3 and Xeon Gold 6542Y 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	4	2
Socket	2011-3	FCLGA4677
Power consumption (TDP)	105 Watt	250 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5-4648 V3 and Xeon Gold 6542Y. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	Intel® AMX, Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512
AES-NI	+	+
AVX	+	+
vPro	no data	+
Enhanced SpeedStep (EIST)	+	+
Speed Shift	no data	+
Turbo Boost Technology	no data	2.0
Hyper-Threading Technology	no data	+
TSX	+	+
Deep Learning Boost	-	+

Security technologies

Xeon E5-4648 V3 and Xeon Gold 6542Y technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E5-4648 V3 and Xeon Gold 6542Y are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E5-4648 V3 and Xeon Gold 6542Y. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-1866	DDR5-5200
Maximum memory size	no data	4 TB
Max memory channels	no data	8
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 E5-4648 V3 and Xeon Gold 6542Y.

PCIe version	3.0	5.0
PCI Express lanes	40	80

Pros & cons summary

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Recency	1 June 2015	14 December 2023
Physical cores	12	24
Threads	24	48
Power consumption (TDP)	105 Watt	250 Watt

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Should you still have questions on choice between Xeon E5-4648 V3 and Xeon Gold 6542Y, ask them in Comments section, and we shall answer.

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