Xeon Gold 6438Y+ vs W-2145

Primary details

Comparing Xeon W-2145 and Xeon Gold 6438Y+ processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	650	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	20.89	no data
Market segment	Server	Server
Series	Intel Xeon W	no data
Architecture codename	Skylake (server) (2017−2019)	Sapphire Rapids (2023)
Release date	29 August 2017 (7 years ago)	10 January 2023 (1 year ago)
Launch price (MSRP)	$1,113	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon W-2145 and Xeon Gold 6438Y+ 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)	32 (Dotriaconta-Core)
Threads	16	64
Base clock speed	3.7 GHz	2 GHz
Boost clock speed	4.5 GHz	4 GHz
Bus type	DMI 3.0	no data
Bus rate	4 × 8 GT/s	no data
Multiplier	37	no data
L1 cache	512 KB	80K (per core)
L2 cache	8 MB	2 MB (per core)
L3 cache	11 MB	60 MB
Chip lithography	14 nm	10 nm
Die size	484 mm2	no data
Maximum case temperature (TCase)	70 °C	85 °C
64 bit support	+	+
Windows 11 compatibility	+	+

Compatibility

Information on Xeon W-2145 and Xeon Gold 6438Y+ 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	1 (Uniprocessor)	2
Socket	Socket R4	4677
Power consumption (TDP)	140 Watt	205 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon W-2145 and Xeon Gold 6438Y+. 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	no data
AES-NI	+	+
AVX	+	+
vPro	+	+
Enhanced SpeedStep (EIST)	+	+
Speed Shift	+	no data
Turbo Boost Technology	2.0	no data
Hyper-Threading Technology	+	no data
TSX	+	+
Idle States	+	no data
Thermal Monitoring	+	-
Flex Memory Access	-	no data
Demand Based Switching	+	no data
PAE	46 Bit	no data
Turbo Boost Max 3.0	-	no data
Status	Discontinued	no data

Security technologies

Xeon W-2145 and Xeon Gold 6438Y+ technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	no data
Secure Key	+	no data
MPX	+	-
Identity Protection	+	-
SGX	-	no data
OS Guard	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon W-2145 and Xeon Gold 6438Y+ are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon W-2145 and Xeon Gold 6438Y+. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4	DDR5-4800
Maximum memory size	512 GB	no data
Max memory channels	4	no data
Maximum memory bandwidth	85.33 GB/s	no data
ECC memory support	+	-

Peripherals

Specifications and connection of peripherals supported by Xeon W-2145 and Xeon Gold 6438Y+.

PCIe version	3.0	5.0
PCI Express lanes	48	80

Pros & cons summary

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Recency	29 August 2017	10 January 2023
Physical cores	8	32
Threads	16	64
Chip lithography	14 nm	10 nm
Power consumption (TDP)	140 Watt	205 Watt

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