Xeon E7520 vs E5-2620 v3

Primary details

Comparing Xeon E5-2620 v3 and Xeon E7520 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	1141	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	3.01	no data
Market segment	Server	Server
Architecture codename	Haswell-EP (2014)	no data
Release date	8 September 2014 (9 years ago)	1 January 2010 (14 years ago)
Current price	$43	$828

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon E5-2620 v3 and Xeon E7520 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)	4 (Quad-Core)
Threads	12	8
Base clock speed	2.4 GHz	1.87 GHz
Boost clock speed	3.2 GHz	1.87 GHz
L1 cache	64K (per core)	no data
L2 cache	256K (per core)	no data
L3 cache	15 MB (shared)	18 MB L3 Cache
Chip lithography	22 nm	45 nm
Die size	356 mm2	no data
Maximum core temperature	73 °C	70 °C
Number of transistors	2,600 million	no data
64 bit support	+	-
Windows 11 compatibility	-	-
Unlocked multiplier	No	No

Compatibility

Information on Xeon E5-2620 v3 and Xeon E7520 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	no data
Socket	FCLGA2011	FCLGA1567
Power consumption (TDP)	85 Watt	95 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5-2620 v3 and Xeon E7520. You'll probably need this information if you require some particular technology.

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

Security technologies

Xeon E5-2620 v3 and Xeon E7520 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	no data
EDB	+	+
Secure Key	+	no data
Identity Protection	-	no data
OS Guard	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E5-2620 v3 and Xeon E7520 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E5-2620 v3 and Xeon E7520. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-1600, DDR4-1866	no data
Maximum memory size	768 GB	no data
Max memory channels	4	no data
Maximum memory bandwidth	59 GB/s	no data
ECC memory support	+	no data

Peripherals

Specifications and connection of peripherals supported by Xeon E5-2620 v3 and Xeon E7520.

PCIe version	3.0	no data
PCI Express lanes	40	no data

Pros & cons summary

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Recency	8 September 2014	1 January 2010
Physical cores	6	4
Threads	12	8
Chip lithography	22 nm	45 nm
Power consumption (TDP)	85 Watt	95 Watt

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Should you still have questions on choice between Xeon E5-2620 v3 and Xeon E7520, ask them in Comments section, and we shall answer.

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