Xeon Platinum 9221 vs Gold 6138

Primary details

Comparing Xeon Gold 6138 and Xeon Platinum 9221 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	452	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	4.73	no data
Market segment	Server	Server
Series	Intel Xeon Gold	Intel Xeon Platinum
Power efficiency	11.52	no data
Architecture codename	Skylake (server) (2017−2019)	Cascade Lake-AP (2019)
Release date	25 April 2017 (7 years ago)	2 April 2019 (5 years ago)
Launch price (MSRP)	$2,612	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon Gold 6138 and Xeon Platinum 9221 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	20 (Icosa-Core)	32 (Dotriaconta-Core)
Threads	40	64
Base clock speed	2 GHz	2.3 GHz
Boost clock speed	3.7 GHz	3.7 GHz
Bus type	DMI 3.0	DMI 3.0
Bus rate	4 × 8 GT/s	4 × 8 GT/s
Multiplier	20	21
L1 cache	1.25 MB	2 MB
L2 cache	20 MB	32 MB
L3 cache	27.5 MB	71.5 MB (shared)
Chip lithography	14 nm	14 nm
Maximum core temperature	86 °C	no data
Number of transistors	no data	8,000 million
64 bit support	+	+
Windows 11 compatibility	+	+

Compatibility

Information on Xeon Gold 6138 and Xeon Platinum 9221 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	4 (Multiprocessor)	8
Socket	FCLGA3647	Intel BGA5903
Power consumption (TDP)	125 Watt	250 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon Gold 6138 and Xeon Platinum 9221. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® AVX-512	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

Security technologies

Xeon Gold 6138 and Xeon Platinum 9221 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon Gold 6138 and Xeon Platinum 9221 are enumerated here.

VT-d	+	+
VT-x	+	+
EPT	+	no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon Gold 6138 and Xeon Platinum 9221. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2666	DDR4-2933
Maximum memory size	768 GB	2 TiB
Max memory channels	6	12
Maximum memory bandwidth	128.001 GB/s	281.6 GB/s
ECC memory support	+	+

Peripherals

Specifications and connection of peripherals supported by Xeon Gold 6138 and Xeon Platinum 9221.

PCIe version	3.0	3.0
PCI Express lanes	48	no data

Pros & cons summary

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Recency	25 April 2017	2 April 2019
Physical cores	20	32
Threads	40	64
Power consumption (TDP)	125 Watt	250 Watt

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Should you still have questions on choice between Xeon Gold 6138 and Xeon Platinum 9221, ask them in Comments section, and we shall answer.

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