Atom N2800 vs Celeron 877

Primary details

Comparing Celeron 877 and Atom N2800 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 Celeron	Intel Atom
Architecture codename	Sandy Bridge (2011−2013)	Cedarview-M (2011−2012)
Release date	1 December 2011 (12 years ago)	28 December 2011 (12 years ago)
Launch price (MSRP)	$86	$47

Detailed specifications

Celeron 877 and Atom N2800 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	1.86 GHz
Bus type	DMI 2.0	no data
Bus rate	4 × 5 GT/s	no data
Multiplier	14	no data
L1 cache	128 KB	64 KB (per core)
L2 cache	512 KB	1 MB
L3 cache	2 MB	0 KB
Chip lithography	32 nm	32 nm
Die size	131 mm2	66 mm2
Maximum core temperature	100 °C	no data
Number of transistors	504 million	176 million
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Celeron 877 and Atom N2800 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	FCBGA1023	FCBGA559
Power consumption (TDP)	17 Watt	6.5 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Celeron 877 and Atom N2800. 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
FMA	+	-
Enhanced SpeedStep (EIST)	+	+
My WiFi	-	no data
Turbo Boost Technology	-	-
Hyper-Threading Technology	-	+
Idle States	+	no data
Thermal Monitoring	+	+
Flex Memory Access	+	no data
Demand Based Switching	-	-
FDI	+	no data
Fast Memory Access	+	no data
Status	Discontinued	Discontinued

Security technologies

Celeron 877 and Atom N2800 technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	-
EDB	+	+
Anti-Theft	-	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Celeron 877 and Atom N2800 are enumerated here.

VT-d	-	-
VT-x	+	-

Memory specs

Types, maximum amount and channel quantity of RAM supported by Celeron 877 and Atom N2800. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR3
Maximum memory size	16 GB	4.88 GB
Max memory channels	2	1
Maximum memory bandwidth	21.335 GB/s	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel® HD Graphics for 2nd Generation Intel® Processors	Intel Graphics Media Accelerator (GMA) 3650
Graphics max frequency	1 GHz	no data

Graphics interfaces

Available interfaces and connections of Celeron 877 and Atom N2800 integrated GPUs.

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

Peripherals

Specifications and connection of peripherals supported by Celeron 877 and Atom N2800.

PCIe version	2.0	no data
PCI Express lanes	16	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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Threads	2	4
Power consumption (TDP)	17 Watt	6 Watt

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Should you still have questions on choice between Celeron 877 and Atom N2800, ask them in Comments section, and we shall answer.

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