Intel Xeon Gold 6438Y+: specs and benchmarks

Summary

Intel started Xeon Gold 6438Y+ sales 10 January 2023 at a recommended price of $3,141. This is a Sapphire Rapids architecture desktop processor primarily aimed at professional systems. It has 32 cores and 64 threads, and is based on 10 nm manufacturing technology, with a maximum frequency of 4000 MHz and a locked multiplier.

Compatibility-wise, this is Intel Socket 4677 processor with a TDP of 205 Watt and a maximum temperature of 85 °C. It supports DDR5-4800 memory.

Primary details

Xeon Gold 6438Y+ processor market type (desktop or notebook), architecture, sales start time and pricing.

Place in the ranking	not rated
Place by popularity	not in top-100
Market segment	Server
Architecture codename	Sapphire Rapids (2023−2024)
Release date	10 January 2023 (1 year ago)
Launch price (MSRP)	$3,141	of 17,906 (Xeon Platinum 8280L)

Detailed specifications

Basic microprocessor parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters can generally indicate CPU performance, but to be more precise you have to review its test results.

Physical cores	32 (Dotriaconta-Core)
Threads	64
Base clock speed	2 GHz	of 4.7 GHz (FX-9590)
Boost clock speed	4 GHz	of 6.2 GHz (Core i9-14900KS)
L1 cache	80K (per core)	of 80 KB (EPYC 9965)
L2 cache	2 MB (per core)	of 2 MB (Xeon 6980P)
L3 cache	60 MB	of 1152 MB (EPYC 9684X)
Chip lithography	10 nm	of 3 nm (Apple M3 Max 16-Core)
Maximum case temperature (TCase)	85 °C	of 105 °C (Core i7-5950HQ)
64 bit support	+
Windows 11 compatibility	+

Compatibility

Information on Xeon Gold 6438Y+ compatibility with other computer components and devices: 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	of 8 (Opteron 842)
Socket	4677
Power consumption (TDP)	205 Watt	of 500 Watt (Xeon 6960P)

Technologies and extensions

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

AES-NI	+
AVX	+
vPro	+
Enhanced SpeedStep (EIST)	+
TSX	+

Security technologies

Processor technologies aimed at improving security, for example, by protecting against hacks.

TXT

+

Virtualization technologies

Supported virtual machine optimization technologies. Some are specific to Intel only, some to AMD.

VT-d	+
VT-x	+

Memory specs

Types, maximum amount and channel number of RAM supported by Xeon Gold 6438Y+'s memory controller. Depending on the motherboard, higher memory frequency may be supported.

Supported memory types

DDR5-4800

Peripherals

Specifications and connection types of supported peripherals.

PCIe version	5.0
PCI Express lanes	80	of 128 (EPYC 7551P)

Benchmark performance

Single-core and multi-core benchmark results of Xeon Gold 6438Y+. Overall benchmark performance is measured in points in 0-100 range, higher is better.

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