Atom N2800 vs Pentium B940

Place in the ranking	2835	3119
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	Intel Pentium	Intel Atom
Power efficiency	1.46	3.79
Architecture codename	Sandy Bridge (2011−2013)	Cedarview-M (2011−2012)
Release date	19 June 2011 (13 years ago)	1 December 2011 (12 years ago)
Launch price (MSRP)	$134	$47

Detailed specifications

Pentium B940 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	2 GHz	1.86 GHz
Boost clock speed	2 GHz	1.87 GHz
Bus type	DMI 2.0	no data
Bus rate	4 × 5 GT/s	no data
Multiplier	20	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	32 nm	32 nm
Die size	131 mm²	66 mm²
Maximum core temperature	85 °C	no data
Number of transistors	504 million	176 million
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Pentium B940 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	PGA988	FCBGA559
Power consumption (TDP)	35 Watt	6.5 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium B940 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

Security technologies

Pentium B940 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 Pentium B940 and Atom N2800 are enumerated here.

VT-d	-	-
VT-x	-	-

Memory specs

Types, maximum amount and channel quantity of RAM supported by Pentium B940 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 Compare	Intel HD Graphics for 2nd Generation Intel Processors	Intel Graphics Media Accelerator (GMA) 3650 (640 MHz)
Graphics max frequency	1.1 GHz	no data

Graphics interfaces

Available interfaces and connections of Pentium B940 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 Pentium B940 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.

Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

Pentium B940 0.54
+92.9%

Atom N2800 0.28

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

Pentium B940 861
+93.9%

Atom N2800 444

Cinebench 10 32-bit single-core

Cinebench R10 is an ancient ray tracing benchmark for processors by Maxon, authors of Cinema 4D. Its single core version uses just one CPU thread to render a futuristic looking motorcycle.

Pentium B940 2610
+303%

Atom N2800 648

Cinebench 10 32-bit multi-core

Cinebench Release 10 Multi Core is a variant of Cinebench R10 using all the processor threads. Possible number of threads is limited by 16 in this version.

Pentium B940 5067
+177%

Atom N2800 1829

3DMark06 CPU

3DMark06 is a discontinued DirectX 9 benchmark suite from Futuremark. Its CPU part contains two scenarios, one dedicated to artificial intelligence pathfinding, another to game physics using PhysX package.

Pentium B940 2034
+111%

Atom N2800 965