Atom Z620 vs Core 2 Quad Q9550s

Primary details

Comparing Core 2 Quad Q9550s and Atom Z620 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	not rated	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Desktop processor	Laptop
Series	no data	Intel Atom
Architecture codename	Yorkfield (2007−2009)	Lincroft (2010−2011)
Release date	January 2009 (15 years ago)	4 May 2010 (14 years ago)
Current price	$276	no data

Detailed specifications

Core 2 Quad Q9550s and Atom Z620 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	4 (Quad-Core)	1 (Single-Core)
Threads	4	1
Base clock speed	2.83 GHz	no data
Boost clock speed	2.83 GHz	0.9 GHz
Bus support	no data	400 MT/s
L1 cache	64K (per core)	64K (per core)
L2 cache	12 MB (shared)	512 KB (per core)
L3 cache	0 KB	0 KB
Chip lithography	45 nm	45 nm
Die size	2x 107 mm2	65.2526 mm28.89 mm × 7.34 mm
Maximum core temperature	76 °C	no data
Maximum case temperature (TCase)	76 °C	no data
Number of transistors	820 million	140 million
64 bit support	+	-
Windows 11 compatibility	-	-
Unlocked multiplier	No	No
VID voltage range	0.85V-1.3625V	no data

Compatibility

Information on Core 2 Quad Q9550s and Atom Z620 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	LGA775	Intel BGA 518
Power consumption (TDP)	65 Watt	1.3 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Quad Q9550s and Atom Z620. You'll probably need this information if you require some particular technology.

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

Security technologies

Core 2 Quad Q9550s and Atom Z620 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 Core 2 Quad Q9550s and Atom Z620 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Quad Q9550s and Atom Z620. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR1, DDR2, DDR3	DDR1, DDR2
Maximum memory size	no data	2 GB
Max memory channels	no data	1
Maximum memory bandwidth	no data	3.2 GB/s
ECC memory support	no data	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

no data

PowerVR SGX535

Pros & cons summary

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Physical cores	4	1
Threads	4	1
Power consumption (TDP)	65 Watt	1 Watt

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Should you still have questions on choice between Core 2 Quad Q9550s and Atom Z620, ask them in Comments section, and we shall answer.

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