Xeon E5-2643 v2 vs W-2295

Primary details

Comparing Xeon W-2295 and Xeon E5-2643 v2 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	297	1132
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	no data	0.63
Market segment	Server	Server
Power efficiency	11.10	4.21
Architecture codename	no data	Ivy Bridge-EP (2013)
Release date	1 October 2019 (5 years ago)	1 September 2013 (11 years ago)
Launch price (MSRP)	no data	$2,200

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon W-2295 and Xeon E5-2643 v2 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	18 (Octadeca-Core)	6 (Hexa-Core)
Threads	36	12
Base clock speed	3 GHz	3.5 GHz
Boost clock speed	4.8 GHz	3.8 GHz
Bus rate	8 GT/s	8 GT/s
L1 cache	no data	64 KB (per core)
L2 cache	no data	256 KB (per core)
L3 cache	24.75 MB	15 MB (shared)
Chip lithography	14 nm	22 nm
Die size	no data	160 mm2
Maximum core temperature	61 °C	74 °C
Number of transistors	no data	1,400 million
64 bit support	+	+
Windows 11 compatibility	+	-

Compatibility

Information on Xeon W-2295 and Xeon E5-2643 v2 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
Socket	FCLGA2066	FCLGA2011
Power consumption (TDP)	165 Watt	130 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon W-2295 and Xeon E5-2643 v2. 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® AVX
AES-NI	+	+
AVX	-	+
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	+	+
PAE	46 Bit	46 Bit
Turbo Boost Max 3.0	+	no data
Deep Learning Boost	+	-

Security technologies

Xeon W-2295 and Xeon E5-2643 v2 technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon W-2295 and Xeon E5-2643 v2 are enumerated here.

VT-d	+	+
VT-x	+	+
EPT	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon W-2295 and Xeon E5-2643 v2. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2933	DDR3
Maximum memory size	1 TB	768 GB
Max memory channels	4	4
Maximum memory bandwidth	93.85 GB/s	59.7 GB/s
ECC memory support	+	+

Peripherals

Specifications and connection of peripherals supported by Xeon W-2295 and Xeon E5-2643 v2.

PCIe version	3.0	3.0
PCI Express lanes	48	40

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	19.35	5.78
Recency	1 October 2019	1 September 2013
Physical cores	18	6
Threads	36	12
Chip lithography	14 nm	22 nm
Power consumption (TDP)	165 Watt	130 Watt

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Should you still have questions on choice between Xeon W-2295 and Xeon E5-2643 v2, ask them in Comments section, and we shall answer.

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