Xeon w5-3535X vs E3-1281 v3

Primary details

Comparing Xeon E3-1281 v3 and Xeon w5-3535X processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	1275	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Server	Server
Power efficiency	5.45	no data
Architecture codename	no data	Sapphire Rapids (2023−2024)
Release date	1 April 2014 (10 years ago)	24 August 2024 (less than a year ago)
Launch price (MSRP)	no data	$1,689

Detailed specifications

Xeon E3-1281 v3 and Xeon w5-3535X 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)	20 (Icosa-Core)
Performance-cores	no data	20
Threads	8	40
Base clock speed	3.7 GHz	2.9 GHz
Boost clock speed	4.1 GHz	4.8 GHz
Bus rate	5 GT/s	no data
L1 cache	no data	80 KB (per core)
L2 cache	no data	2 MB (per core)
L3 cache	8 MB Intel® Smart Cache	52.5 MB
Chip lithography	22 nm	Intel 7 nm
Die size	no data	4x 477 mm2
Maximum case temperature (TCase)	no data	76 °C
64 bit support	+	+
Windows 11 compatibility	-	no data
Unlocked multiplier	-	+

Compatibility

Information on Xeon E3-1281 v3 and Xeon w5-3535X 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	FCLGA1150	FCLGA4677
Power consumption (TDP)	82 Watt	300 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E3-1281 v3 and Xeon w5-3535X. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2	Intel® SSE4.1, Intel® AMX, Intel® SSE4.2, Intel® AVX2, 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
SIPP	+	-
Turbo Boost Max 3.0	no data	+
Fast Memory Access	+	no data
Deep Learning Boost	-	+

Security technologies

Xeon E3-1281 v3 and Xeon w5-3535X technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E3-1281 v3 and Xeon w5-3535X are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E3-1281 v3 and Xeon w5-3535X. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3L-1333, DDR3L-1600	DDR5-4800
Maximum memory size	32 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

no data

N/A

Peripherals

Specifications and connection of peripherals supported by Xeon E3-1281 v3 and Xeon w5-3535X.

PCIe version	3.0	5.0
PCI Express lanes	16	112

Pros & cons summary

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Recency	1 April 2014	24 August 2024
Physical cores	4	20
Threads	8	40
Power consumption (TDP)	82 Watt	300 Watt

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