Athlon 64 X2 6400+ BE vs Atom D2550

Primary details

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

Place in the ranking	3439	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Desktop processor
Series	Intel Atom	no data
Power efficiency	2.47	no data
Designer	Intel	AMD
Manufacturer	Intel	no data
Architecture codename	Cedarview (2011−2012)	Windsor (2006−2007)
Release date	1 November 2011 (14 years ago)	August 2007 (18 years ago)

Detailed specifications

Atom D2550 and Athlon 64 X2 6400+ BE 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	3.2 GHz
L1 cache	64 KB (per core)	256 KB
L2 cache	512K (per core)	1 MB
L3 cache	0 KB	0 KB
Chip lithography	32 nm	90 nm
Die size	66 mm2	230 mm2
Maximum core temperature	100 °C	no data
Number of transistors	176 million	227 million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	-	+

Compatibility

Information on Atom D2550 and Athlon 64 X2 6400+ BE 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	1
Socket	FCBGA559	AM2
Power consumption (TDP)	10 Watt	125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Atom D2550 and Athlon 64 X2 6400+ BE. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE2, Intel® SSE3, Intel® SSSE3	no data
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 Athlon 64 X2 6400+ BE 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 Athlon 64 X2 6400+ BE. 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 Athlon 64 X2 6400+ BE integrated GPUs.

Number of displays supported

2

no data

Peripherals

Specifications and connection of peripherals supported by Atom D2550 and Athlon 64 X2 6400+ BE.

PCI Express lanes

4

no data

Pros & cons summary

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Threads	4	2
Chip lithography	32 nm	90 nm
Power consumption (TDP)	10 Watt	125 Watt

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