Xeon W-3365 vs E3-1275 v2

Primary details

Comparing Xeon E3-1275 v2 and Xeon W-3365 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	1379	88
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.82	no data
Market segment	Server	Server
Power efficiency	5.13	13.03
Architecture codename	Ivy Bridge (2012−2013)	Ice Lake-W (2021)
Release date	14 May 2012 (12 years ago)	29 July 2021 (3 years ago)
Launch price (MSRP)	$808	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon E3-1275 v2 and Xeon W-3365 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	4 (Quad-Core)	32 (Dotriaconta-Core)
Threads	8	64
Base clock speed	3.5 GHz	2.7 GHz
Boost clock speed	3.9 GHz	4 GHz
Bus rate	5 GT/s	8 GT/s
L1 cache	64 KB (per core)	64K (per core)
L2 cache	256 KB (per core)	1 MB (per core)
L3 cache	8 MB (shared)	48 MB (shared)
Chip lithography	22 nm	10 nm
Die size	160 mm2	no data
Maximum case temperature (TCase)	no data	81 °C
Number of transistors	1,400 million	no data
64 bit support	+	+
Windows 11 compatibility	-	+

Compatibility

Information on Xeon E3-1275 v2 and Xeon W-3365 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	1
Socket	FCLGA1155	FCLGA4189
Power consumption (TDP)	77 Watt	270 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E3-1275 v2 and Xeon W-3365. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX	Intel® AVX-512
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	+	-
Flex Memory Access	+	no data
Demand Based Switching	+	no data
Turbo Boost Max 3.0	no data	-
FDI	+	no data
Fast Memory Access	+	no data
Deep Learning Boost	-	+

Security technologies

Xeon E3-1275 v2 and Xeon W-3365 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	+
Identity Protection	+	-
SGX	no data	-

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E3-1275 v2 and Xeon W-3365 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E3-1275 v2 and Xeon W-3365. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR4-3200
Maximum memory size	32.77 GB	4 TB
Max memory channels	2	8
Maximum memory bandwidth	25.6 GB/s	no data
ECC memory support	+	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel HD P4000	no data
Quick Sync Video	+	-
Clear Video HD	+	no data
Graphics max frequency	1.25 GHz	no data
InTru 3D	+	no data

Graphics interfaces

Available interfaces and connections of Xeon E3-1275 v2 and Xeon W-3365 integrated GPUs.

Number of displays supported

3

no data

Peripherals

Specifications and connection of peripherals supported by Xeon E3-1275 v2 and Xeon W-3365.

PCIe version	3.0	4
PCI Express lanes	no data	64

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	4.17	37.17
Recency	14 May 2012	29 July 2021
Physical cores	4	32
Threads	8	64
Chip lithography	22 nm	10 nm
Power consumption (TDP)	77 Watt	270 Watt

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Should you still have questions on choice between Xeon E3-1275 v2 and Xeon W-3365, ask them in Comments section, and we shall answer.

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