Xeon E7-4820 v4 vs E5-2640 v3

Primary details

Comparing Xeon E5-2640 v3 and Xeon E7-4820 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
Market segment	Server	Server
Power efficiency	7.37	no data
Architecture codename	Haswell-EP (2014−2015)	no data
Release date	8 September 2014 (10 years ago)	1 April 2016 (8 years ago)

Detailed specifications

Xeon E5-2640 v3 and Xeon E7-4820 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)	10 (Deca-Core)
Threads	16	20
Base clock speed	2.6 GHz	2 GHz
Boost clock speed	3.4 GHz	no data
Bus rate	8 GT/s	6.4 GT/s
L1 cache	64K (per core)	no data
L2 cache	256K (per core)	no data
L3 cache	20 MB (shared)	25 MB
Chip lithography	22 nm	14 nm
Die size	356 mm2	no data
Maximum core temperature	74 °C	67 °C
Number of transistors	2,600 million	no data
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Xeon E5-2640 v3 and Xeon E7-4820 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	4
Socket	FCLGA2011	FCLGA2011
Power consumption (TDP)	90 Watt	115 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5-2640 v3 and Xeon E7-4820 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)	+	+
Turbo Boost Technology	2.0	-
Hyper-Threading Technology	+	+
TSX	-	+
Idle States	+	+
Thermal Monitoring	+	+
Flex Memory Access	-	no data
Demand Based Switching	+	no data
PAE	46 Bit	46 Bit

Security technologies

Xeon E5-2640 v3 and Xeon E7-4820 v4 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	+
Secure Key	+	+
OS Guard	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E5-2640 v3 and Xeon E7-4820 v4 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E5-2640 v3 and Xeon E7-4820 v4. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-1600, DDR4-1866	DDR4-1333/1600/1866, DDR3-1066/1333
Maximum memory size	768 GB	3 TB
Max memory channels	4	4
Maximum memory bandwidth	59 GB/s	85 GB/s
ECC memory support	+	+

Peripherals

Specifications and connection of peripherals supported by Xeon E5-2640 v3 and Xeon E7-4820 v4.

PCIe version	3.0	3.0
PCI Express lanes	40	32

Pros & cons summary

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Recency	8 September 2014	1 April 2016
Physical cores	8	10
Threads	16	20
Chip lithography	22 nm	14 nm
Power consumption (TDP)	90 Watt	115 Watt

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