EPYC 7351 vs Xeon W-2145

Primary details

Comparing Xeon W-2145 and EPYC 7351 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	620	427
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	14.42	0.13
Market segment	Server	Server
Series	Intel Xeon W	AMD EPYC
Architecture codename	Skylake-W (2018)	Naples (2017−2018)
Release date	29 August 2017 (6 years ago)	29 June 2017 (7 years ago)
Launch price (MSRP)	$1,113	$1,100
Current price	$477 (0.4x MSRP)	$13531 (12.3x MSRP)

Cost-effectiveness evaluation

Performance per price, higher is better.

Xeon W-2145 has 10992% better value for money than EPYC 7351.

Detailed specifications

Xeon W-2145 and EPYC 7351 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)	16 (Hexadeca-Core)
Threads	16	32
Base clock speed	3.7 GHz	2.4 GHz
Boost clock speed	4.5 GHz	2.9 GHz
L1 cache	64K (per core)	96K (per core)
L2 cache	1 MB (per core)	512K (per core)
L3 cache	11 MB (shared)	64 MB (shared)
Chip lithography	14 nm	14 nm
Die size	484 mm2	192 mm2
Maximum core temperature	70 °C	no data
Maximum case temperature (TCase)	70 °C	no data
Number of transistors	no data	4,800 million
64 bit support	+	+
Windows 11 compatibility	+	-
Unlocked multiplier	No	Yes

Compatibility

Information on Xeon W-2145 and EPYC 7351 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	2 (Multiprocessor)
Socket	Socket R4	TR4
Power consumption (TDP)	140 Watt	170 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon W-2145 and EPYC 7351. 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	+	no data
Enhanced SpeedStep (EIST)	+	no data
Speed Shift	+	no data
Turbo Boost Technology	2.0	no data
Hyper-Threading Technology	+	no data
TSX	+	no data
Idle States	+	no data
Thermal Monitoring	+	no data
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 EPYC 7351 technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon W-2145 and EPYC 7351 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon W-2145 and EPYC 7351. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4	DDR4 Eight-channel
Maximum memory size	512 GB	2 TiB
Max memory channels	4	8
Maximum memory bandwidth	85.3 GB/s	170.671 GB/s
ECC memory support	+	+

Peripherals

Specifications and connection of peripherals supported by Xeon W-2145 and EPYC 7351.

PCIe version	3.0	3.0
PCI Express lanes	48	128

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.

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Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

EPYC 7351 outperforms Xeon W-2145 by 30% based on our aggregate benchmark results.

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Pros & cons summary

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Performance score	11.75	15.24
Recency	29 August 2017	29 June 2017
Physical cores	8	16
Threads	16	32
Cost	$1113	$1100
Power consumption (TDP)	140 Watt	170 Watt

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Should you still have questions on choice between Xeon W-2145 and EPYC 7351, ask them in Comments section, and we shall answer.

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