Ultra 5 245KF vs Atom Z650

Primary details

Comparing Atom Z650 and Core Ultra 5 245KF processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	not rated	168
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	no data	79.32
Market segment	Laptop	Desktop processor
Series	Intel Atom	no data
Power efficiency	no data	21.16
Architecture codename	Lincroft (2010−2011)	Arrow Lake-S (2024−2025)
Release date	11 April 2011 (13 years ago)	24 October 2024 (recently)
Launch price (MSRP)	no data	$294

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Atom Z650 and Core Ultra 5 245KF 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	1 (Single-Core)	14 (Tetradeca-Core)
Threads	2	14
Base clock speed	1.2 GHz	4.2 GHz
Boost clock speed	1.2 GHz	5.2 GHz
Bus type	cDMI	no data
Bus rate	400 MT/s	no data
Multiplier	8	no data
L1 cache	56 KB	112 KB (per core)
L2 cache	512 KB (per core)	3 MB (per core)
L3 cache	0 KB	24 MB (shared)
Chip lithography	45 nm	3 nm
Die size	65 mm2	243 mm2
Maximum core temperature	90 °C	no data
Number of transistors	140 million	17,800 million
64 bit support	-	+
Windows 11 compatibility	-	no data

Compatibility

Information on Atom Z650 and Core Ultra 5 245KF 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 (Uniprocessor)	1
Socket	T-PBGA518	1851
Power consumption (TDP)	3 Watt	125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Atom Z650 and Core Ultra 5 245KF. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE, Intel® SSE2, Intel® SSE3	no data
AES-NI	-	+
AVX	-	+
Enhanced SpeedStep (EIST)	+	+
Hyper-Threading Technology	+	no data
TSX	-	+
Idle States	+	no data
Thermal Monitoring	+	-

Security technologies

Atom Z650 and Core Ultra 5 245KF 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 Atom Z650 and Core Ultra 5 245KF are enumerated here.

VT-d	-	+
VT-x	-	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Atom Z650 and Core Ultra 5 245KF. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR2	DDR5
Maximum memory size	2.93 GB	no data
Max memory channels	1	no data
Maximum memory bandwidth	3.2 GB/s	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

PowerVR SGX535

N/A

Graphics interfaces

Available interfaces and connections of Atom Z650 and Core Ultra 5 245KF integrated GPUs.

LVDS

+

no data

Peripherals

Specifications and connection of peripherals supported by Atom Z650 and Core Ultra 5 245KF.

PCIe version	no data	5.0
PCI Express lanes	no data	20
PCI support	-	no data

Pros & cons summary

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Recency	11 April 2011	24 October 2024
Physical cores	1	14
Threads	2	14
Chip lithography	45 nm	3 nm
Power consumption (TDP)	3 Watt	125 Watt

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Should you still have questions on choice between Atom Z650 and Core Ultra 5 245KF, ask them in Comments section, and we shall answer.

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