Atom Z2520 vs Xeon E5-2680 v3

Primary details

Comparing Xeon E5-2680 v3 and Atom Z2520 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	794	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Server	Laptop
Power efficiency	7.52	no data
Architecture codename	Haswell-EP (2014−2015)	Clovertrail (2013)
Release date	8 September 2014 (10 years ago)	27 February 2013 (11 years ago)

Detailed specifications

Xeon E5-2680 v3 and Atom Z2520 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	12 (Dodeca-Core)	2 (Dual-core)
Threads	24	4
Base clock speed	2.5 GHz	1.2 GHz
Boost clock speed	3.3 GHz	1.2 GHz
Bus rate	9.6 GT/s	no data
L1 cache	64K (per core)	64 KB (per core)
L2 cache	256K (per core)	512 KB (per core)
L3 cache	30 MB (shared)	0 KB
Chip lithography	22 nm	32 nm
Die size	356 mm2	65 mm2
Maximum core temperature	85 °C	90 °C
Number of transistors	5,560 million	140 million
64 bit support	+	-
Windows 11 compatibility	-	-

Compatibility

Information on Xeon E5-2680 v3 and Atom Z2520 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	1
Socket	FCLGA2011	FC-MB4760
Power consumption (TDP)	120 Watt	3 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5-2680 v3 and Atom Z2520. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® AVX2	Intel® SSE2, Intel® SSE3, Intel® SSSE3
AES-NI	+	-
AVX	+	-
vPro	+	no data
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	2.0	no data
Hyper-Threading Technology	+	+
Idle States	+	+
Thermal Monitoring	+	+
Flex Memory Access	-	no data
Demand Based Switching	+	no data
PAE	46 Bit	32 Bit
Smart Idle	no data	+

Security technologies

Xeon E5-2680 v3 and Atom Z2520 technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E5-2680 v3 and Atom Z2520 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E5-2680 v3 and Atom Z2520. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-1600, DDR4-1866, DDR4-2133	DDR2
Maximum memory size	768 GB	2 GB
Max memory channels	4	2
Maximum memory bandwidth	68 GB/s	8.5 GB/s
ECC memory support	+	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

no data

SGX 544MP2

Graphics interfaces

Available interfaces and connections of Xeon E5-2680 v3 and Atom Z2520 integrated GPUs.

Number of displays supported

no data

2

Peripherals

Specifications and connection of peripherals supported by Xeon E5-2680 v3 and Atom Z2520.

PCIe version	3.0	no data
PCI Express lanes	40	no data
USB revision	no data	2.0 OTG, USB-SPH 2.0
Number of USB ports	no data	2
UART	no data	3

Pros & cons summary

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Recency	8 September 2014	27 February 2013
Physical cores	12	2
Threads	24	4
Chip lithography	22 nm	32 nm
Power consumption (TDP)	120 Watt	3 Watt

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