Xeon E5-1660 v3 vs W-3265

Primary details

Comparing Xeon W-3265 and Xeon E5-1660 v3 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	270	873
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.93	8.80
Market segment	Server	Server
Series	Intel Xeon W	no data
Architecture codename	Cascade Lake (2019−2020)	Haswell-EP (2014)
Release date	3 June 2019 (5 years ago)	8 September 2014 (9 years ago)
Launch price (MSRP)	$3,349	no data
Current price	$11245 (3.4x MSRP)	$199

Cost-effectiveness evaluation

Performance per price, higher is better.

Xeon E5-1660 v3 has 846% better value for money than Xeon W-3265.

Detailed specifications

Xeon W-3265 and Xeon E5-1660 v3 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	24 (Tetracosa-Core)	8 (Octa-Core)
Threads	48	16
Base clock speed	2.7 GHz	3 GHz
Boost clock speed	4.6 GHz	3.5 GHz
Bus support	4 × 8 GT/s	no data
L1 cache	1.5 MB	64K (per core)
L2 cache	24 MB	256K (per core)
L3 cache	33 MB	20 MB (shared)
Chip lithography	14 nm	22 nm
Die size	no data	356 mm2
Maximum core temperature	78 °C	66 °C
Number of transistors	no data	2,600 million
64 bit support	+	+
Windows 11 compatibility	+	-
Unlocked multiplier	No	Yes

Compatibility

Information on Xeon W-3265 and Xeon E5-1660 v3 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
Socket	FCLGA3647	FCLGA2011
Power consumption (TDP)	205 Watt	140 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon W-3265 and Xeon E5-1660 v3. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® AVX-512	Intel® AVX2
AES-NI	+	+
AVX	+	+
vPro	+	no data
Enhanced SpeedStep (EIST)	+	+
Speed Shift	+	no data
Turbo Boost Technology	2.0	2.0
Hyper-Threading Technology	+	+
TSX	+	-
Idle States	no data	+
Thermal Monitoring	no data	+
Flex Memory Access	no data	-
Demand Based Switching	no data	+
PAE	no data	46 Bit
Turbo Boost Max 3.0	+	no data
Status	Launched	Discontinued

Security technologies

Xeon W-3265 and Xeon E5-1660 v3 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	+
Secure Key	no data	+
Identity Protection	no data	+
OS Guard	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon W-3265 and Xeon E5-1660 v3 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon W-3265 and Xeon E5-1660 v3. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2933	DDR4-1333, DDR4-1600, DDR4-1866, DDR4-2133
Maximum memory size	1 TB	768 GB
Max memory channels	6	4
Maximum memory bandwidth	140.8 GB/s	68 GB/s
ECC memory support	+	+

Peripherals

Specifications and connection of peripherals supported by Xeon W-3265 and Xeon E5-1660 v3.

PCIe version	3.0	3.0
PCI Express lanes	64	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.

W-3265 outperforms E5-1660 v3 by 141% based on our aggregate benchmark results.

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Pros & cons summary

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Performance score	19.46	8.07
Recency	3 June 2019	8 September 2014
Physical cores	24	8
Threads	48	16
Chip lithography	14 nm	22 nm
Power consumption (TDP)	205 Watt	140 Watt

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Should you still have questions on choice between Xeon W-3265 and Xeon E5-1660 v3, ask them in Comments section, and we shall answer.

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