Xeon Gold 6338T: specs and benchmarks

Summary

Intel started Xeon Gold 6338T sales 6 April 2021. This is an Ice Lake-SP architecture desktop processor primarily aimed at professional systems. It has 24 cores and 48 threads, and is based on 10 nm manufacturing technology, with a maximum frequency of 3400 MHz and a locked multiplier.

Compatibility-wise, this is FCLGA4189 processor with a TDP of 165 Watt and a maximum temperature of 87 °C. It supports DDR4-3200 memory.

Primary details

Xeon Gold 6338T 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	Ice Lake-SP (2021)
Release date	6 April 2021 (3 years ago)

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	24 (Tetracosa-Core)
Threads	48
Base clock speed	2.1 GHz	of 4.7 GHz (Ryzen 9 7900X)
Boost clock speed	3.4 GHz	of 6.2 GHz (Core i9-14900KS)
L1 cache	64K (per core)	of 80 KB (EPYC 9965)
L2 cache	1 MB (per core)	of 2 MB (Xeon 6980P)
L3 cache	36 MB (shared)	of 1152 MB (EPYC 9684X)
Chip lithography	10 nm	of 3 nm (Core Ultra 9 285K)
Maximum case temperature (TCase)	87 °C	of 105 °C (Core i7-5950HQ)
64 bit support	+
Windows 11 compatibility	+

Compatibility

Information on Xeon Gold 6338T 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 (Xeon Platinum 8454H)
Socket	FCLGA4189
Power consumption (TDP)	165 Watt	of 3100 ‑ 4500 (Ryzen 7 7435H)

Technologies and extensions

Technological capabilities and additional instructions supported by Xeon Gold 6338T. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512
AES-NI	+
AVX	+
vPro	+
Enhanced SpeedStep (EIST)	+
Speed Shift	+
Turbo Boost Technology	2.0
Hyper-Threading Technology	+
TSX	+
Deep Learning Boost	+

Security technologies

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

TXT	+
EDB	+
SGX	Yes with Intel® SPS

Virtualization technologies

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

VT-d	+
VT-x	+
EPT	+

Memory specs

Types, maximum amount and channel number of RAM supported by Xeon Gold 6338T's memory controller. Depending on the motherboard, higher memory frequency may be supported.

Supported memory types	DDR4-3200
Maximum memory size	6 TB	of 6 TiB (EPYC 9654)
Max memory channels	8	of 12 (Xeon Platinum 9221)
ECC memory support	+

Peripherals

Specifications and connection types of supported peripherals.

PCIe version	4.0	of 5.0 (EPYC 9655P)
PCI Express lanes	64	of 128 (EPYC 9655P)

Benchmark performance

Single-core and multi-core benchmark results of Xeon Gold 6338T. Overall benchmark performance is measured in points in 0-100 range, higher is better.

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