Intel Xeon E5-2678 v3 vs E5-2686 V3

General info

Comparing Xeon E5-2686 V3 and Xeon E5-2678 v3 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance rating	432	549
Value for money	no data	6.87
Market segment	Server	Server
Series	no data	Xeon
Architecture codename	Haswell-EP (2014)	Haswell (2013−2015)
Release date	no data	no data
Current price	no data	$69

Technical specs

Xeon E5-2686 V3 and Xeon E5-2678 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	18 (Octadeca-Core)	12 (Dodeca-Core)
Threads	36	24
Base clock speed	2 GHz	2.5 GHz
Boost clock speed	3.5 GHz	3.3 GHz
L1 cache	64K (per core)	384 KB
L2 cache	256K (per core)	3072 KB
L3 cache	45 MB (shared)	30 MB
Chip lithography	22 nm	22 nm
Die size	356 mm2	356 mm2
Maximum case temperature (TCase)	83 °C	84 °C
Number of transistors	2,600 million	5,560 million
64 bit support	+	+
Windows 11 compatibility	no data	-
Unlocked multiplier	-	-

Compatibility

Information on Xeon E5-2686 V3 and Xeon E5-2678 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	2	2
Socket	2011-3	LGA2011-3
Thermal design power (TDP)	120 Watt	120 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5-2686 V3 and Xeon E5-2678 v3. You'll probably need this information if you require some particular technology.

AES-NI	+	+
AVX	+	+
vPro	+	+
Enhanced SpeedStep (EIST)	+	+
TSX	+	+

Security technologies

Xeon E5-2686 V3 and Xeon E5-2678 v3 technologies aimed at improving security, for example, by protecting against hacks.

TXT

+

+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E5-2686 V3 and Xeon E5-2678 v3 are enumerated here.

VT-d	+	+
VT-x	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E5-2686 V3 and Xeon E5-2678 v3. Depending on the motherboards, higher memory frequencies may be supported.

Supported memory types

DDR3, DDR42133 MHz Quad-channel

DDR3, DDR4

Peripherals

Specifications and connection of peripherals supported by Xeon E5-2686 V3 and Xeon E5-2678 v3.

PCIe version

3.0

3.0

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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Overall 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.

Advantages and disadvantages

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Performance rating	14.40	11.65
Boost clock speed	3500	3300
Base clock speed	0	2500

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Should you still have questions on choice between Xeon E5-2686 V3 and Xeon E5-2678 v3, ask them in Comments section, and we shall answer.

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