Atom D2550 vs Celeron 2955U

Primary details

Comparing Celeron 2955U and Atom D2550 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2825	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	Intel Celeron	Intel Atom
Power efficiency	3.47	no data
Architecture codename	Haswell (2013−2015)	Cedarview (2011−2012)
Release date	1 September 2013 (11 years ago)	1 November 2011 (13 years ago)

Detailed specifications

Celeron 2955U and Atom D2550 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	2	4
Base clock speed	1.4 GHz	1.86 GHz
Boost clock speed	1.4 GHz	1.87 GHz
Bus rate	5 GT/s	no data
L1 cache	64K (per core)	64 KB (per core)
L2 cache	256K (per core)	512K (per core)
L3 cache	2 MB (shared)	0 KB
Chip lithography	22 nm	32 nm
Die size	118 mm2	66 mm2
Maximum core temperature	100 °C	100 °C
Maximum case temperature (TCase)	105 °C	no data
Number of transistors	1,400 million	176 million
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Celeron 2955U and Atom D2550 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	FCBGA1168	FCBGA559
Power consumption (TDP)	15 Watt	10 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Celeron 2955U and Atom D2550. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2	Intel® SSE2, Intel® SSE3, Intel® SSSE3
Enhanced SpeedStep (EIST)	+	-
Turbo Boost Technology	-	-
Hyper-Threading Technology	-	+
Idle States	+	no data
Thermal Monitoring	+	-
Smart Response	-	no data
PAE	no data	36 Bit
GPIO	+	no data
Smart Connect	+	no data
FDI	-	no data
AMT	9.5	no data
Matrix Storage	-	no data
HD Audio	+	no data
RST	+	no data

Security technologies

Celeron 2955U and Atom D2550 technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	no data
EDB	+	no data
Secure Key	+	no data
OS Guard	-	no data
Anti-Theft	-	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Celeron 2955U and Atom D2550 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Celeron 2955U and Atom D2550. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR3
Maximum memory size	16 GB	4 GB
Max memory channels	2	1
Maximum memory bandwidth	25.6 GB/s	6.4 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel® HD Graphics for 4th Generation Intel® Processors	Intel Graphics Media Accelerator (GMA) 3650
Clear Video	+	no data
Graphics max frequency	1 GHz	no data

Graphics interfaces

Available interfaces and connections of Celeron 2955U and Atom D2550 integrated GPUs.

Number of displays supported	3	2
eDP	+	no data
DisplayPort	+	-
HDMI	+	-

Peripherals

Specifications and connection of peripherals supported by Celeron 2955U and Atom D2550.

PCIe version	2.0	no data
PCI Express lanes	10	4
PCI support	-	no data
USB revision	3.0	no data
Total number of SATA ports	2	no data
Max number of SATA 6 Gb/s Ports	2	no data
Integrated IDE	-	no data
Number of USB ports	4	no data
Integrated LAN	-	no data
UART	+	no data

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.

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Pros & cons summary

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Recency	1 September 2013	1 November 2011
Threads	2	4
Chip lithography	22 nm	32 nm
Power consumption (TDP)	15 Watt	10 Watt

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