Atom S1240 vs Z650

Primary details

Comparing Atom Z650 and Atom S1240 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	not rated	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Server
Series	Intel Atom	no data
Architecture codename	Lincroft (2010−2011)	Centerton (2012)
Release date	11 April 2011 (13 years ago)	11 December 2012 (11 years ago)

Detailed specifications

Atom Z650 and Atom S1240 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	4
Base clock speed	1.2 GHz	1.6 GHz
Boost clock speed	1.2 GHz	1.6 GHz
Bus type	cDMI	no data
Bus rate	400 MT/s	no data
Multiplier	8	no data
L1 cache	64K (per core)	56 KB (per core)
L2 cache	512 KB (per core)	512 KB (per core)
L3 cache	0 KB	0 KB
Chip lithography	45 nm	32 nm
Die size	65 mm2	no data
Maximum core temperature	90 °C	no data
Number of transistors	140 million	no data
64 bit support	-	+
Windows 11 compatibility	-	-

Compatibility

Information on Atom Z650 and Atom S1240 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	T-PBGA518	FCBGA1283
Power consumption (TDP)	3 Watt	6.1 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Atom Z650 and Atom S1240. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE, Intel® SSE2, Intel® SSE3	no data
Enhanced SpeedStep (EIST)	+	no data
Hyper-Threading Technology	+	+
Idle States	+	no data
Thermal Monitoring	+	-

Security technologies

Atom Z650 and Atom S1240 technologies aimed at improving security, for example, by protecting against hacks.

EDB

+

no data

Virtualization technologies

Virtual machine speed-up technologies supported by Atom Z650 and Atom S1240 are enumerated here.

VT-d	-	no data
VT-x	-	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Atom Z650 and Atom S1240. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR2	DDR3
Maximum memory size	2.93 GB	8 GB
Max memory channels	1	1
Maximum memory bandwidth	3.2 GB/s	10.6 GB/s
ECC memory support	-	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

PowerVR SGX535

no data

Graphics interfaces

Available interfaces and connections of Atom Z650 and Atom S1240 integrated GPUs.

LVDS

+

no data

Peripherals

Specifications and connection of peripherals supported by Atom Z650 and Atom S1240.

PCIe version	no data	2.0
PCI Express lanes	no data	8
PCI support	-	PCI Support
UART	no data	UART

Pros & cons summary

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Recency	11 April 2011	11 December 2012
Physical cores	1	2
Threads	2	4
Chip lithography	45 nm	32 nm
Power consumption (TDP)	3 Watt	6 Watt

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Should you still have questions on choice between Atom Z650 and Atom S1240, ask them in Comments section, and we shall answer.

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