Turion II M540 vs Atom D2550

Primary details

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

Place in the ranking	3438	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	Intel Atom	AMD Turion II
Power efficiency	2.47	no data
Designer	Intel	AMD
Manufacturer	Intel	no data
Architecture codename	Cedarview (2011−2012)	Caspian (2009)
Release date	1 November 2011 (14 years ago)	10 September 2009 (16 years ago)

Detailed specifications

Atom D2550 and Turion II M540 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	2
Base clock speed	1.86 GHz	no data
Boost clock speed	1.87 GHz	2.4 GHz
Bus rate	no data	3600 MHz
L1 cache	64 KB (per core)	128 KB
L2 cache	512K (per core)	1 MB
L3 cache	0 KB	no data
Chip lithography	32 nm	45 nm
Die size	66 mm2	no data
Maximum core temperature	100 °C	no data
Number of transistors	176 million	no data
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Atom D2550 and Turion II M540 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	no data
Socket	FCBGA559	Socket S1 (s1g3) 638-pin
Power consumption (TDP)	10 Watt	1 MB

Technologies and extensions

Technological solutions and additional instructions supported by Atom D2550 and Turion II M540. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE2, Intel® SSE3, Intel® SSSE3	MMX, SSE, SSE2, SSE3, Enhanced 3DNow!, NX bit, AMD64, PowerNow!, AMD Virtualization
PowerNow	-	+
Enhanced SpeedStep (EIST)	-	no data
Turbo Boost Technology	-	no data
Hyper-Threading Technology	+	no data
PAE	36 Bit	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Atom D2550 and Turion II M540 are enumerated here.

VT-d	-	no data
VT-x	-	no data
VT-i	-	no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Atom D2550 and Turion II M540. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	no data
Maximum memory size	4 GB	no data
Max memory channels	1	no data
Maximum memory bandwidth	6.4 GB/s	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

Intel Graphics Media Accelerator (GMA) 3650 (640 MHz)

no data

Graphics interfaces

Available interfaces and connections of Atom D2550 and Turion II M540 integrated GPUs.

Number of displays supported

2

no data

Peripherals

Specifications and connection of peripherals supported by Atom D2550 and Turion II M540.

PCI Express lanes

4

no data

Pros & cons summary

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Recency	1 November 2011	10 September 2009
Threads	4	2
Chip lithography	32 nm	45 nm
Power consumption (TDP)	10 Watt	1 Watt

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