Atom Z550 vs Core 2 Duo U7700

Primary details

Comparing Core 2 Duo U7700 and Atom Z550 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	Laptop	Laptop
Series	Intel Core 2 Duo	Intel Atom
Architecture codename	Merom-2048 (2006−2008)	Silverthorne (2008−2010)
Release date	27 July 2006 (18 years ago)	8 April 2009 (15 years ago)

Detailed specifications

Core 2 Duo U7700 and Atom Z550 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)	1 (Single-Core)
Threads	2	2
Base clock speed	1.33 GHz	2 GHz
Boost clock speed	1.33 GHz	2 GHz
Bus type	no data	FSB
Bus rate	533 MHz	533.33 MT/s
Multiplier	no data	15
L1 cache	64 KB	56 KB (per core)
L2 cache	2 MB	512 KB (per core)
L3 cache	0 KB	0 KB
Chip lithography	65 nm	45 nm
Die size	143 mm2	26 mm2
Maximum core temperature	100 °C	90 °C
Number of transistors	291 Million	47 million
64 bit support	+	-
Windows 11 compatibility	-	-
VID voltage range	0.8V-0.975V	no data

Compatibility

Information on Core 2 Duo U7700 and Atom Z550 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 (Uniprocessor)
Socket	P	PBGA441
Power consumption (TDP)	10 Watt	2.4 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Duo U7700 and Atom Z550. You'll probably need this information if you require some particular technology.

Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	-	-
Hyper-Threading Technology	-	+
Idle States	+	+
Thermal Monitoring	-	+
Demand Based Switching	-	+
FSB parity	-	-

Security technologies

Core 2 Duo U7700 and Atom Z550 technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	-
EDB	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Core 2 Duo U7700 and Atom Z550 are enumerated here.

VT-d	no data	-
VT-x	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Duo U7700 and Atom Z550. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types

no data

unknown

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

no data

On certain motherboards (Chipset feature)

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	27 July 2006	8 April 2009
Physical cores	2	1
Chip lithography	65 nm	45 nm
Power consumption (TDP)	10 Watt	2 Watt

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Should you still have questions on choice between Core 2 Duo U7700 and Atom Z550, ask them in Comments section, and we shall answer.

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