Xeon E7-8860 v3 vs E3-1271 v3

Primary details

Comparing Xeon E3-1271 v3 and Xeon E7-8860 v3 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	1230	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Server	Server
Architecture codename	no data	Haswell-EX (2015)
Release date	1 April 2014 (10 years ago)	1 June 2015 (9 years ago)

Detailed specifications

Xeon E3-1271 v3 and Xeon E7-8860 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	4 (Quad-Core)	16 (Hexadeca-Core)
Threads	8	32
Base clock speed	3.6 GHz	2.2 GHz
Boost clock speed	4 GHz	3.2 GHz
Bus rate	5 GT/s	9.6 GT/s
L1 cache	no data	64K (per core)
L2 cache	no data	256K (per core)
L3 cache	8 MB Intel® Smart Cache	40 MB (shared)
Chip lithography	22 nm	22 nm
Die size	no data	160 mm2
Maximum case temperature (TCase)	no data	75 °C
Number of transistors	no data	1,400 million
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Xeon E3-1271 v3 and Xeon E7-8860 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	8
Socket	FCLGA1150	FCLGA2011
Power consumption (TDP)	80 Watt	140 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E3-1271 v3 and Xeon E7-8860 v3. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2	Intel® AVX2
AES-NI	+	+
AVX	-	+
vPro	no data	+
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	2.0	2.0
Hyper-Threading Technology	+	+
TSX	+	+
Idle States	+	+
Thermal Monitoring	+	+
Flex Memory Access	+	no data
SIPP	+	-
PAE	no data	46 Bit
Fast Memory Access	+	no data
Status	Discontinued	Discontinued

Security technologies

Xeon E3-1271 v3 and Xeon E7-8860 v3 technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E3-1271 v3 and Xeon E7-8860 v3 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E3-1271 v3 and Xeon E7-8860 v3. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3L-1333, DDR3L-1600	DDR4-1333/1600/1866, DDR3-1066/1333/1600
Maximum memory size	32 GB	1.5 TB
Max memory channels	2	4
Maximum memory bandwidth	25.6 GB/s	85 GB/s
ECC memory support	+	+

Peripherals

Specifications and connection of peripherals supported by Xeon E3-1271 v3 and Xeon E7-8860 v3.

PCIe version	3.0	3.0
PCI Express lanes	16	32

Pros & cons summary

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Recency	1 April 2014	1 June 2015
Physical cores	4	16
Threads	8	32
Power consumption (TDP)	80 Watt	140 Watt

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Should you still have questions on choice between Xeon E3-1271 v3 and Xeon E7-8860 v3, ask them in Comments section, and we shall answer.

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