Xeon E-2456 vs Gold 6438Y

Primary details

Comparing Xeon Gold 6438Y and Xeon E-2456 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	not rated	434
Place by popularity	not in top-100	not in top-100
Market segment	Server	Server
Architecture codename	no data	Raptor Lake-S
Release date	1 January 2023 (1 year ago)	14 December 2023 (less than a year ago)
Current price	$3297	no data

Detailed specifications

Xeon Gold 6438Y and Xeon E-2456 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	32 (Dotriaconta-Core)	6 (Hexa-Core)
Threads	64	12
Base clock speed	2 GHz	3.3 GHz
Boost clock speed	4 GHz	5.1 GHz
L1 cache	no data	80 KB (per core)
L2 cache	no data	1.25 MB (per core)
L3 cache	60 MB	18 MB (shared)
Chip lithography	Intel 7 nm	Intel 7 nm
Die size	no data	163 mm2
Maximum core temperature	76 °C	100 °C
64 bit support	-	+
Unlocked multiplier	No	No

Compatibility

Information on Xeon Gold 6438Y and Xeon E-2456 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	1
Socket	FCLGA4677	FCLGA1700
Power consumption (TDP)	205 Watt	80 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon Gold 6438Y and Xeon E-2456. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® AMX, Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI	+	+
AVX	no data	+
Enhanced SpeedStep (EIST)	no data	+
Speed Shift	+	no data
Turbo Boost Technology	2.0	2
Hyper-Threading Technology	+	+
TSX	+	-
Idle States	no data	+
Thermal Monitoring	no data	+
Turbo Boost Max 3.0	no data	-
Status	Launched	Launched

Security technologies

Xeon Gold 6438Y and Xeon E-2456 technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon Gold 6438Y and Xeon E-2456 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon Gold 6438Y and Xeon E-2456. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR5-4800, DDR5-4400	DDR5-4800
Maximum memory size	4 TB	128 GB
Max memory channels	8	2
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 Gold 6438Y and Xeon E-2456.

PCIe version	5	5
PCI Express lanes	80	20

Pros & cons summary

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Recency	1 January 2023	14 December 2023
Physical cores	32	6
Threads	64	12
Power consumption (TDP)	205 Watt	80 Watt

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Should you still have questions on choice between Xeon Gold 6438Y and Xeon E-2456, ask them in Comments section, and we shall answer.

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