Xeon 6979P vs E5-2643 v4

Primary details

Comparing Xeon E5-2643 v4 and Xeon 6979P 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	1.34	no data
Market segment	Server	Server
Series	Intel Xeon E5	no data
Power efficiency	4.96	no data
Architecture codename	Broadwell (2015−2019)	Granite Rapids (2024)
Release date	20 June 2016 (8 years ago)	24 September 2024 (less than a year 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 6979P 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)	120
Threads	12	240
Base clock speed	3.4 GHz	2.1 GHz
Boost clock speed	3.7 GHz	3.9 GHz
Bus type	QPI	no data
Bus rate	2 × 9.6 GT/s	no data
Multiplier	34	no data
L1 cache	no data	112 KB (per core)
L2 cache	1.5 MB	2 MB (per core)
L3 cache	20 MB	504 MB (shared)
Chip lithography	14 nm	5 nm
Die size	246.24 mm2	no data
Maximum core temperature	75 °C	no data
Maximum case temperature (TCase)	no data	80 °C
Number of transistors	3200 Million	no data
64 bit support	+	+
Windows 11 compatibility	-	no data

Compatibility

Information on Xeon E5-2643 v4 and Xeon 6979P 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
Socket	FCLGA2011	7529
Power consumption (TDP)	135 Watt	500 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5-2643 v4 and Xeon 6979P. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® AVX2	no data
AES-NI	+	+
AVX	+	+
vPro	+	no data
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 6979P 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 6979P are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E5-2643 v4 and Xeon 6979P. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-1600, DDR4-1866, DDR4-2133, DDR4-2400	DDR5
Maximum memory size	1.5 TB	no data
Max memory channels	4	no data
Maximum memory bandwidth	76.8 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 E5-2643 v4 and Xeon 6979P.

PCIe version	3.0	5.0
PCI Express lanes	40	96

Pros & cons summary

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Recency	20 June 2016	24 September 2024
Physical cores	6	120
Threads	12	240
Chip lithography	14 nm	5 nm
Power consumption (TDP)	135 Watt	500 Watt

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