Atom Z2520 vs i7-2620M

Primary details

Comparing Core i7-2620M and Atom Z2520 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2124	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	Intel Core i7	no data
Power efficiency	4.12	no data
Architecture codename	Sandy Bridge (2011−2013)	Clovertrail (2013)
Release date	20 February 2011 (13 years ago)	27 February 2013 (11 years ago)
Launch price (MSRP)	$346	no data

Detailed specifications

Core i7-2620M 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	2 (Dual-core)	2 (Dual-core)
Threads	4	4
Base clock speed	2.7 GHz	1.2 GHz
Boost clock speed	3.4 GHz	1.2 GHz
Bus type	DMI 2.0	no data
Bus rate	4 × 5 GT/s	no data
Multiplier	27	no data
L1 cache	128 KB	64 KB (per core)
L2 cache	512 KB	512 KB (per core)
L3 cache	4 MB	0 KB
Chip lithography	32 nm	32 nm
Die size	149 mm2	65 mm2
Maximum core temperature	100 °C	90 °C
Number of transistors	624 Million	140 million
64 bit support	+	-
Windows 11 compatibility	-	-

Compatibility

Information on Core i7-2620M 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	1 (Uniprocessor)	1
Socket	FCBGA1023,PPGA988	FC-MB4760
Power consumption (TDP)	35 Watt	3 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-2620M and Atom Z2520. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® AVX	Intel® SSE2, Intel® SSE3, Intel® SSSE3
AES-NI	+	-
FMA	+	-
AVX	+	-
vPro	+	no data
Enhanced SpeedStep (EIST)	+	+
My WiFi	+	no data
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	no data	32 Bit
FDI	+	no data
Fast Memory Access	+	no data
Smart Idle	no data	+

Security technologies

Core i7-2620M and Atom Z2520 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	no data
EDB	+	no data
Identity Protection	+	-
Anti-Theft	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-2620M and Atom Z2520 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-2620M and Atom Z2520. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR2
Maximum memory size	16 GB	2 GB
Max memory channels	2	2
Maximum memory bandwidth	21.335 GB/s	8.5 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel HD Graphics 3000	SGX 544MP2
Quick Sync Video	+	-
Clear Video HD	+	no data
Graphics max frequency	1.3 GHz	no data
InTru 3D	+	no data

Graphics interfaces

Available interfaces and connections of Core i7-2620M and Atom Z2520 integrated GPUs.

Number of displays supported	2	2
eDP	+	no data
DisplayPort	+	-
HDMI	+	-
SDVO	+	no data
CRT	+	no data

Peripherals

Specifications and connection of peripherals supported by Core i7-2620M and Atom Z2520.

PCIe version	2.0	no data
PCI Express lanes	16	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	20 February 2011	27 February 2013
Power consumption (TDP)	35 Watt	3 Watt

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Should you still have questions on choice between Core i7-2620M and Atom Z2520, ask them in Comments section, and we shall answer.

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