Atom Z550 vs Core 2 Duo L7700

Place in the ranking	3010	3162
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	Core 2 Duo	Intel Atom
Power efficiency	2.12	9.46
Architecture codename	Merom (2006−2008)	Silverthorne (2008−2010)
Release date	no data (2024 years ago)	8 April 2009 (15 years ago)

Detailed specifications

Core 2 Duo L7700 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	1.8 GHz	2 GHz
Boost clock speed	1.8 GHz	2 GHz
Bus type	no data	FSB
Bus rate	800 MHz	533.33 MT/s
Multiplier	no data	15
L1 cache	no data	56 KB (per core)
L2 cache	no data	512 KB (per core)
L3 cache	4 MB L2 Cache	0 KB
Chip lithography	65 nm	45 nm
Die size	no data	26 mm²
Maximum core temperature	100 °C	90 °C
Number of transistors	no data	47 million
64 bit support	+	-
Windows 11 compatibility	-	-
VID voltage range	0.9V-1.2V	no data

Compatibility

Information on Core 2 Duo L7700 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	no data	1 (Uniprocessor)
Socket	no data	PBGA441
Power consumption (TDP)	17 Watt	2.4 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Duo L7700 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	no data	+
Thermal Monitoring	-	+
Demand Based Switching	-	+
FSB parity	-	-

Security technologies

Core 2 Duo L7700 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 L7700 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 L7700 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.

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.

Core 2 Duo L7700 0.38
+58.3%

Atom Z550 0.24

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.

Core 2 Duo L7700 607
+59.3%

Atom Z550 381