Pentium 3561Y vs Atom Z520

Primary details

Comparing Atom Z520 and Pentium 3561Y processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	not rated	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	Intel Atom	Intel Pentium
Architecture codename	Silverthorne (2008−2010)	Haswell (2013−2015)
Release date	2 April 2008 (16 years ago)	1 January 2014 (10 years ago)
Launch price (MSRP)	$65	no data
Current price	$217 (3.3x MSRP)	no data

Detailed specifications

Atom Z520 and Pentium 3561Y 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	1 (Single-Core)	2 (Dual-core)
Threads	2	2
Base clock speed	1.33 GHz	1.2 GHz
Boost clock speed	0.03 GHz	1.2 GHz
Bus support	533.33 MT/s	no data
L1 cache	56 KB	128 KB
L2 cache	512 KB	512 KB
L3 cache	0 KB	2 MB
Chip lithography	45 nm	22 nm
Die size	24.18 mm27.8 mm × 3.1 mm	no data
Maximum core temperature	90 °C	100 °C
Number of transistors	47 Million	no data
64 bit support	-	+
Windows 11 compatibility	-	-
Unlocked multiplier	No	No
VID voltage range	0.75-1.1V	no data

Compatibility

Information on Atom Z520 and Pentium 3561Y 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	PBGA441	FCBGA1168
Power consumption (TDP)	2 Watt	11.5 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Atom Z520 and Pentium 3561Y. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE2, Intel® SSE3, Intel® SSSE3	Intel® SSE4.1, Intel® SSE4.2
AES-NI	no data	+
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	-	-
Hyper-Threading Technology	+	-
TSX	no data	-
Idle States	+	+
Thermal Monitoring	+	+
SIPP	no data	-
Smart Response	no data	-
Demand Based Switching	+	no data
GPIO	no data	+
Smart Connect	no data	+
FDI	no data	-
AMT	no data	9.5
Matrix Storage	no data	-
FSB parity	-	no data
Status	Discontinued	Discontinued
HD Audio	no data	+
RST	no data	+

Security technologies

Atom Z520 and Pentium 3561Y technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Atom Z520 and Pentium 3561Y are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Atom Z520 and Pentium 3561Y. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	no data	DDR3
Maximum memory size	no data	16 GB
Max memory channels	no data	2
Maximum memory bandwidth	no data	25.6 GB/s
ECC memory support	no data	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	-	Intel® HD Graphics for 4th Generation Intel® Processors
Quick Sync Video	-	+
Clear Video	-	+
Clear Video HD	-	-
Graphics max frequency	-	850 MHz

Graphics interfaces

Available interfaces and connections of Atom Z520 and Pentium 3561Y integrated GPUs.

Number of displays supported	-	3
eDP	-	+
DisplayPort	-	+
HDMI	-	+

Peripherals

Specifications and connection of peripherals supported by Atom Z520 and Pentium 3561Y.

PCIe version	no data	2.0
PCI Express lanes	no data	12
PCI support	no data	-
USB revision	no data	3.0
Total number of SATA ports	no data	4
Max number of SATA 6 Gb/s Ports	no data	4
Integrated IDE	no data	-
Number of USB ports	no data	4
Integrated LAN	no data	-
UART	no data	+

Pros & cons summary

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Recency	2 April 2008	1 January 2014
Physical cores	1	2
Chip lithography	45 nm	22 nm
Power consumption (TDP)	2 Watt	11 Watt

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