Atom Z650 vs Duo U2400

Primary details

Comparing Core Duo U2400 and Atom Z650 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	Core Duo	Intel Atom
Architecture codename	Yonah (2005−2006)	Lincroft (2010−2011)
Release date	no data (2024 years ago)	11 April 2011 (13 years ago)

Detailed specifications

Core Duo U2400 and Atom Z650 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	1.06 GHz	1.2 GHz
Boost clock speed	1.06 GHz	1.2 GHz
Bus type	no data	cDMI
Bus rate	533 MHz	400 MT/s
Multiplier	no data	8
L1 cache	no data	56 KB
L2 cache	no data	512 KB (per core)
L3 cache	2 MB L2 KB	0 KB
Chip lithography	65 nm	45 nm
Die size	no data	65 mm2
Maximum core temperature	100 °C	90 °C
Number of transistors	no data	140 million
64 bit support	-	-
Windows 11 compatibility	-	-
VID voltage range	0.8-1.1V	no data

Compatibility

Information on Core Duo U2400 and Atom Z650 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	PBGA479	T-PBGA518
Power consumption (TDP)	9 Watt	3 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core Duo U2400 and Atom Z650. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	Intel® SSE, Intel® SSE2, Intel® SSE3
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	-	no data
Hyper-Threading Technology	-	+
Idle States	-	+
Thermal Monitoring	-	+
Demand Based Switching	-	no data
PAE	32 Bit	no data
FSB parity	-	no data

Security technologies

Core Duo U2400 and Atom Z650 technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	no data
EDB	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Core Duo U2400 and Atom Z650 are enumerated here.

VT-d	no data	-
VT-x	+	-

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core Duo U2400 and Atom Z650. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	no data	DDR2
Maximum memory size	no data	2.93 GB
Max memory channels	no data	1
Maximum memory bandwidth	no data	3.2 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

no data

PowerVR SGX535

Graphics interfaces

Available interfaces and connections of Core Duo U2400 and Atom Z650 integrated GPUs.

LVDS

no data

+

Peripherals

Specifications and connection of peripherals supported by Core Duo U2400 and Atom Z650.

PCI support

no data

-

Pros & cons summary

---

Physical cores	2	1
Chip lithography	65 nm	45 nm
Power consumption (TDP)	9 Watt	3 Watt

---

Should you still have questions on choice between Core Duo U2400 and Atom Z650, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.

---