Atom E3845 vs i7-2655LE

Primary details

Comparing Core i7-2655LE and Atom E3845 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2309	2749
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.03	no data
Market segment	Laptop	Laptop
Series	Intel Core i7	Atom
Power efficiency	4.77	6.34
Architecture codename	Sandy Bridge (2011−2013)	Bay Trail-I (2013)
Release date	no data	8 October 2013 (11 years ago)
Launch price (MSRP)	$346	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Core i7-2655LE and Atom E3845 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)	4 (Quad-Core)
Threads	4	4
Boost clock speed	2.2 GHz	1.91 GHz
Bus type	DMI 2.0	no data
Bus rate	4 × 5 GT/s	no data
Multiplier	22	no data
L1 cache	128 KB	64 KB (per core)
L2 cache	512 KB	512 KB (per core)
L3 cache	4 MB	0 KB
Chip lithography	32 nm	22 nm
Number of transistors	624 Million	no data
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Core i7-2655LE and Atom E3845 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	no data	Intel BGA1170
Power consumption (TDP)	25 Watt	10 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-2655LE and Atom E3845. You'll probably need this information if you require some particular technology.

AES-NI	+	-
FMA	+	-
AVX	+	-
vPro	+	no data
Enhanced SpeedStep (EIST)	+	+

Security technologies

Core i7-2655LE and Atom E3845 technologies aimed at improving security, for example, by protecting against hacks.

TXT

+

no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-2655LE and Atom E3845 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-2655LE and Atom E3845. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	no data	DDR3
Maximum memory size	16 GB	no data
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 3000

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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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.

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Pros & cons summary

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Performance score	1.26	0.67
Integrated graphics card	0.66	0.77
Physical cores	2	4
Chip lithography	32 nm	22 nm
Power consumption (TDP)	25 Watt	10 Watt

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Should you still have questions on choice between Core i7-2655LE and Atom E3845, ask them in Comments section, and we shall answer.

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