Atom Z3740 vs Core 2 Duo E6550

Primary details

Comparing Core 2 Duo E6550 and Atom Z3740 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2817	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Desktop processor	Laptop
Power efficiency	0.81	no data
Architecture codename	Conroe (2006−2007)	Bay Trail-T (2013−2014)
Release date	July 2007 (17 years ago)	27 September 2013 (11 years ago)
Launch price (MSRP)	no data	$32

Detailed specifications

Core 2 Duo E6550 and Atom Z3740 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	2	4
Base clock speed	2.33 GHz	1.33 GHz
Boost clock speed	2.33 GHz	1.86 GHz
Bus rate	1333 MHz	no data
L1 cache	64 KB	64K (per core)
L2 cache	4 MB	512K (per core)
L3 cache	0 KB	0 KB
Chip lithography	65 nm	22 nm
Die size	143 mm2	no data
Maximum core temperature	72 °C	90 °C
Number of transistors	291 million	no data
64 bit support	+	+
Windows 11 compatibility	-	-
VID voltage range	0.85V-1.5V	no data

Compatibility

Information on Core 2 Duo E6550 and Atom Z3740 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	PLGA775	UTFCBGA1380
Power consumption (TDP)	65 Watt	2 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Duo E6550 and Atom Z3740. You'll probably need this information if you require some particular technology.

AES-NI	-	+
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	-	no data
Hyper-Threading Technology	-	no data
Idle States	+	no data
Thermal Monitoring	+	-
Demand Based Switching	-	no data
FSB parity	-	no data

Security technologies

Core 2 Duo E6550 and Atom Z3740 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	no data
EDB	+	no data
Secure Key	no data	+
Identity Protection	-	+
Anti-Theft	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by Core 2 Duo E6550 and Atom Z3740 are enumerated here.

VT-x

+

+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Duo E6550 and Atom Z3740. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR1, DDR2, DDR3	DDR3
Maximum memory size	no data	4 GB
Max memory channels	no data	2
Maximum memory bandwidth	no data	17.1 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	no data	Intel® HD Graphics for Intel Atom® Processor Z3700 Series
Quick Sync Video	-	+
Clear Video HD	no data	+
Graphics max frequency	no data	667 MHz

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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Physical cores	2	4
Threads	2	4
Chip lithography	65 nm	22 nm
Power consumption (TDP)	65 Watt	2 Watt

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Should you still have questions on choice between Core 2 Duo E6550 and Atom Z3740, ask them in Comments section, and we shall answer.

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