Xeon E5-2689A v4 vs E5-2643 v4

Primary details

Comparing Xeon E5-2643 v4 and Xeon E5-2689A v4 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	996	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	1.29	no data
Market segment	Server	Server
Series	Intel Xeon E5	Intel Xeon E5
Power efficiency	4.91	no data
Architecture codename	Broadwell (2015−2019)	Broadwell (2015−2019)
Release date	20 June 2016 (8 years ago)	20 June 2016 (8 years ago)
Launch price (MSRP)	$1,552	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon E5-2643 v4 and Xeon E5-2689A 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	6 (Hexa-Core)	8 (Octa-Core)
Threads	12	16
Base clock speed	3.4 GHz	no data
Boost clock speed	3.7 GHz	3.4 GHz
Bus type	QPI	QPI
Bus rate	2 × 9.6 GT/s	2 × 9.6 GT/s
Multiplier	34	34
L2 cache	1.5 MB	2 MB
L3 cache	20 MB	20 MB
Chip lithography	14 nm	14 nm
Die size	246.24 mm2	246.24 mm2
Maximum core temperature	75 °C	no data
Number of transistors	3200 Million	3200 Million
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Xeon E5-2643 v4 and Xeon E5-2689A 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	2 (Multiprocessor)	2 (Multiprocessor)
Socket	FCLGA2011	no data
Power consumption (TDP)	135 Watt	145 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5-2643 v4 and Xeon E5-2689A v4. You'll probably need this information if you require some particular technology.

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

Security technologies

Xeon E5-2643 v4 and Xeon E5-2689A v4 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	no data
Secure Key	+	no data
OS Guard	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E5-2643 v4 and Xeon E5-2689A v4 are enumerated here.

VT-d	+	no data
VT-x	+	no data
EPT	+	no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E5-2643 v4 and Xeon E5-2689A v4. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-1600, DDR4-1866, DDR4-2133, DDR4-2400	no data
Maximum memory size	1.5 TB	1,536 GB
Max memory channels	4	no data
Maximum memory bandwidth	76.8 GB/s	no data
ECC memory support	+	-

Peripherals

Specifications and connection of peripherals supported by Xeon E5-2643 v4 and Xeon E5-2689A v4.

PCIe version	3.0	3.0
PCI Express lanes	40	40

Pros & cons summary

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Physical cores	6	8
Threads	12	16
Power consumption (TDP)	135 Watt	145 Watt

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Should you still have questions on choice between Xeon E5-2643 v4 and Xeon E5-2689A v4, ask them in Comments section, and we shall answer.

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