Xeon Gold 6338T vs Gold 6238R

Primary details

Comparing Xeon Gold 6238R and Xeon Gold 6338T processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	215	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	19.20	no data
Market segment	Server	Server
Series	Intel Xeon Gold	no data
Power efficiency	13.54	no data
Architecture codename	Cascade Lake (2019−2020)	Ice Lake-SP (2021)
Release date	24 February 2020 (4 years ago)	6 April 2021 (3 years ago)
Launch price (MSRP)	$2,612	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon Gold 6238R and Xeon Gold 6338T 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	28 (Octacosa-Core)	24 (Tetracosa-Core)
Threads	56	48
Base clock speed	2.2 GHz	2.1 GHz
Boost clock speed	4 GHz	3.4 GHz
Bus type	DMI 3.0	no data
Bus rate	4 × 8 GT/s	no data
Multiplier	22	no data
L1 cache	1.75 MB	64K (per core)
L2 cache	28 MB	1 MB (per core)
L3 cache	38.5 MB	36 MB (shared)
Chip lithography	14 nm	10 nm
Maximum core temperature	89 °C	no data
Maximum case temperature (TCase)	no data	87 °C
64 bit support	+	+
Windows 11 compatibility	+	+

Compatibility

Information on Xeon Gold 6238R and Xeon Gold 6338T 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	2
Socket	FCLGA3647	FCLGA4189
Power consumption (TDP)	165 Watt	165 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon Gold 6238R and 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	Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512
AES-NI	+	+
AVX	+	+
vPro	+	+
Enhanced SpeedStep (EIST)	+	+
Speed Shift	+	+
Turbo Boost Technology	2.0	2.0
Hyper-Threading Technology	+	+
TSX	+	+
Turbo Boost Max 3.0	-	no data
Deep Learning Boost	+	+

Security technologies

Xeon Gold 6238R and Xeon Gold 6338T technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon Gold 6238R and Xeon Gold 6338T are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon Gold 6238R and Xeon Gold 6338T. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2933	DDR4-3200
Maximum memory size	1 TB	6 TB
Max memory channels	6	8
Maximum memory bandwidth	140.8 GB/s	no data
ECC memory support	+	+

Peripherals

Specifications and connection of peripherals supported by Xeon Gold 6238R and Xeon Gold 6338T.

PCIe version	3.0	4.0
PCI Express lanes	48	64

Pros & cons summary

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Recency	24 February 2020	6 April 2021
Physical cores	28	24
Threads	56	48
Chip lithography	14 nm	10 nm

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