Xeon Gold 6338T vs Silver 4208

Primary details

Comparing Xeon Silver 4208 and Xeon Gold 6338T processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	988	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	18.67	no data
Market segment	Server	Server
Series	Intel Xeon Silver	no data
Power efficiency	7.88	no data
Architecture codename	Cascade Lake (2019−2020)	Ice Lake-SP (2021)
Release date	2 April 2019 (5 years ago)	6 April 2021 (3 years ago)
Launch price (MSRP)	$417	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon Silver 4208 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	8 (Octa-Core)	24 (Tetracosa-Core)
Threads	16	48
Base clock speed	2.1 GHz	2.1 GHz
Boost clock speed	3.2 GHz	3.4 GHz
Multiplier	21	no data
L1 cache	512 KB	64K (per core)
L2 cache	8 MB	1 MB (per core)
L3 cache	11 MB	36 MB (shared)
Chip lithography	14 nm	10 nm
Maximum core temperature	78 °C	no data
Maximum case temperature (TCase)	no data	87 °C
64 bit support	+	+
Windows 11 compatibility	+	+

Compatibility

Information on Xeon Silver 4208 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	2 (Multiprocessor)	2
Socket	FCLGA3647	FCLGA4189
Power consumption (TDP)	85 Watt	165 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon Silver 4208 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 Silver 4208 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 Silver 4208 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 Silver 4208 and Xeon Gold 6338T. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2400	DDR4-3200
Maximum memory size	1 TB	6 TB
Max memory channels	6	8
Maximum memory bandwidth	115.212 GB/s	no data
ECC memory support	+	+

Peripherals

Specifications and connection of peripherals supported by Xeon Silver 4208 and Xeon Gold 6338T.

PCIe version	3.0	4.0
PCI Express lanes	48	64

Pros & cons summary

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Recency	2 April 2019	6 April 2021
Physical cores	8	24
Threads	16	48
Chip lithography	14 nm	10 nm
Power consumption (TDP)	85 Watt	165 Watt

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