Xeon E-2134 vs W-2145

Primary details

Comparing Xeon W-2145 and Xeon E-2134 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	680	1112
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	7.60	18.08
Market segment	Server	Server
Series	Intel Xeon W	Intel Xeon E
Power efficiency	7.74	7.77
Architecture codename	Skylake (server) (2017−2018)	Coffee Lake-S WS (2018−2019)
Release date	29 August 2017 (7 years ago)	12 July 2018 (6 years ago)
Launch price (MSRP)	$1,113	$256

Cost-effectiveness evaluation

Performance per price, higher is better.

Xeon E-2134 has 138% better value for money than Xeon W-2145.

Detailed specifications

Xeon W-2145 and Xeon E-2134 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)	4 (Quad-Core)
Threads	16	8
Base clock speed	3.7 GHz	3.5 GHz
Boost clock speed	4.5 GHz	4.5 GHz
Bus type	DMI 3.0	DMI 3.0
Bus rate	4 × 8 GT/s	4 × 8 GT/s
Multiplier	37	no data
L1 cache	64K (per core)	64 KB (per core)
L2 cache	1 MB (per core)	256 KB (per core)
L3 cache	11 MB (shared)	8 MB (shared)
Chip lithography	14 nm	14 nm
Die size	484 mm2	126 mm2
Maximum core temperature	no data	100 °C
Maximum case temperature (TCase)	70 °C	no data
64 bit support	+	+
Windows 11 compatibility	+	+

Compatibility

Information on Xeon W-2145 and Xeon E-2134 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)	1 (Uniprocessor)
Socket	Socket R4	FCLGA1151
Power consumption (TDP)	140 Watt	71 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon W-2145 and Xeon E-2134. 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® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI	+	+
AVX	+	+
vPro	+	+
Enhanced SpeedStep (EIST)	+	+
Speed Shift	+	no data
Turbo Boost Technology	2.0	2.0
Hyper-Threading Technology	+	+
TSX	+	+
Idle States	+	+
Thermal Monitoring	+	+
Flex Memory Access	-	no data
Demand Based Switching	+	no data
PAE	46 Bit	no data
Turbo Boost Max 3.0	-	no data

Security technologies

Xeon W-2145 and Xeon E-2134 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	+
Secure Key	+	+
MPX	+	+
Identity Protection	+	-
SGX	-	Yes with Intel® ME
OS Guard	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon W-2145 and Xeon E-2134 are enumerated here.

AMD-V	+	-
VT-d	+	+
VT-x	+	+
EPT	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon W-2145 and Xeon E-2134. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4	DDR4-2666
Maximum memory size	512 GB	128 GB
Max memory channels	4	2
Maximum memory bandwidth	85.33 GB/s	42.671 GB/s
ECC memory support	+	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

no data

Intel UHD Graphics P630

Peripherals

Specifications and connection of peripherals supported by Xeon W-2145 and Xeon E-2134.

PCIe version	3.0	3.0
PCI Express lanes	48	16

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.

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Pros & cons summary

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Performance score	11.45	5.83
Recency	29 August 2017	12 July 2018
Physical cores	8	4
Threads	16	8
Power consumption (TDP)	140 Watt	71 Watt

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Should you still have questions on choice between Xeon W-2145 and Xeon E-2134, ask them in Comments section, and we shall answer.

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