Atom E3826 vs Pentium D 940

Primary details

Comparing Pentium D 940 and Atom E3826 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	not rated	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Desktop processor	Laptop
Series	no data	Atom
Architecture codename	Presler (2005−2007)	Bay Trail-I (2013)
Release date	5 January 2006 (18 years ago)	8 October 2013 (11 years ago)
Launch price (MSRP)	$423	no data

Detailed specifications

Pentium D 940 and Atom E3826 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	2
Base clock speed	3.2 GHz	no data
Boost clock speed	3.2 GHz	1.47 GHz
L1 cache	16 KB (per core)	64 KB (per core)
L2 cache	2 MB (per die)	512 KB (per core)
L3 cache	0 KB	0 KB
Chip lithography	65 nm	22 nm
Die size	2x 81 mm2	no data
Maximum case temperature (TCase)	69 °C	no data
Number of transistors	376 million	no data
64 bit support	+	+
Windows 11 compatibility	-	-
VID voltage range	1.2V-1.3375V	no data

Compatibility

Information on Pentium D 940 and Atom E3826 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	LGA775,PLGA775	Intel BGA1170
Power consumption (TDP)	130 Watt	7 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium D 940 and Atom E3826. You'll probably need this information if you require some particular technology.

Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	-	no data
Hyper-Threading Technology	-	no data
Idle States	+	no data
Demand Based Switching	-	no data
PAE	32 Bit	no data
FSB parity	-	no data

Security technologies

Pentium D 940 and Atom E3826 technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	no data
EDB	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Pentium D 940 and Atom E3826 are enumerated here.

VT-d	-	no data
VT-x	+	no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Pentium D 940 and Atom E3826. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types

DDR1, DDR2, DDR3

DDR3

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

On certain motherboards (Chipset feature)

Intel HD Graphics

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	5 January 2006	8 October 2013
Chip lithography	65 nm	22 nm
Power consumption (TDP)	130 Watt	7 Watt

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