Intel Xeon E5-1660 v4 vs E5-1680 v3

General info

Comparing Xeon E5-1680 v3 and Xeon E5-1660 v4 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance rating	605	593
Value for money	4.68	1.27
Market segment	Server	Server
Series	no data	Intel Xeon E5
Architecture codename	Haswell-EP (2014)	Broadwell (2015−2019)
Release date	8 September 2014 (8 years old)	20 June 2016 (6 years old)
Launch price (MSRP)	no data	$1,113
Current price	$190	$1490 (1.3x MSRP)

Technical specs

Xeon E5-1680 v3 and Xeon E5-1660 v4 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	8 (Octa-Core)	8 (Octa-Core)
Threads	16	16
Base clock speed	3.2 GHz	3.2 GHz
Boost clock speed	3.8 GHz	3.8 GHz
Bus support	no data	5 GT/s
L1 cache	64K (per core)	no data
L2 cache	256K (per core)	2 MB
L3 cache	20 MB (shared)	20 MB
Chip lithography	22 nm	14 nm
Die size	356 mm2	246.24 mm2
Maximum core temperature	66 °C	70 °C
Number of transistors	2,600 million	3200 Million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	+	-

Compatibility

Information on Xeon E5-1680 v3 and Xeon E5-1660 v4 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	FCLGA2011-3	FCLGA2011-3
Thermal design power (TDP)	140 Watt	140 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5-1680 v3 and Xeon E5-1660 v4. You'll probably need this information if you require some particular technology.

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

Security technologies

Xeon E5-1680 v3 and Xeon E5-1660 v4 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	+
Secure Key	+	+
Identity Protection	+	+
OS Guard	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E5-1680 v3 and Xeon E5-1660 v4 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E5-1680 v3 and Xeon E5-1660 v4. Depending on the motherboards, higher memory frequencies may be supported.

Supported memory types	DDR4-1333, DDR4-1600, DDR4-1866, DDR4-2133	DDR4-1600, DDR4-1866, DDR4-2133, DDR4-2400
Maximum memory size	768 GB	1.5 TB
Max memory channels	4	4
Maximum memory bandwidth	68 GB/s	76.8 GB/s
ECC memory support	+	+

Peripherals

Specifications and connection of peripherals supported by Xeon E5-1680 v3 and Xeon E5-1660 v4.

PCIe version	3.0	3.0
PCI Express lanes	40	40

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	10.65	10.84
Recency	8 September 2014	20 June 2016
Boost clock speed	3800	3200
Base clock speed	3200	0
Chip lithography	22 nm	14 nm

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Should you still have questions on choice between Xeon E5-1680 v3 and Xeon E5-1660 v4, ask them in Comments section, and we shall answer.

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