i9-14900KS vs Atom Z2520

Primary details

Comparing Atom Z2520 and Core i9-14900KS processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	not rated	69
Place by popularity	not in top-100	8
Market segment	Laptop	Desktop processor
Power efficiency	no data	24.78
Architecture codename	Clovertrail (2013)	Raptor Lake-R (2023−2024)
Release date	27 February 2013 (11 years ago)	March 2024 (recently)
Launch price (MSRP)	no data	$689

Detailed specifications

Atom Z2520 and Core i9-14900KS 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)	24 (Tetracosa-Core)
Threads	4	32
Base clock speed	1.2 GHz	3.2 GHz
Boost clock speed	1.2 GHz	5.9 GHz
L1 cache	64 KB (per core)	80 KB (per core)
L2 cache	512 KB (per core)	2 MB (per core)
L3 cache	0 KB	36 MB (shared)
Chip lithography	32 nm	Intel 7 nm
Die size	65 mm2	257 mm2
Maximum core temperature	90 °C	100 °C
Number of transistors	140 million	no data
64 bit support	-	+
Windows 11 compatibility	-	no data
Unlocked multiplier	-	+

Compatibility

Information on Atom Z2520 and Core i9-14900KS 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
Socket	FC-MB4760	FCLGA1700
Power consumption (TDP)	3 Watt	150 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Atom Z2520 and Core i9-14900KS. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE2, Intel® SSE3, Intel® SSSE3	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI	-	+
AVX	-	+
Enhanced SpeedStep (EIST)	+	+
Speed Shift	no data	+
Turbo Boost Technology	no data	2.0
Hyper-Threading Technology	+	+
TSX	-	+
Idle States	+	+
Thermal Monitoring	+	+
PAE	32 Bit	no data
Turbo Boost Max 3.0	no data	+
Smart Idle	+	no data
Deep Learning Boost	-	+

Security technologies

Atom Z2520 and Core i9-14900KS technologies aimed at improving security, for example, by protecting against hacks.

TXT	no data	+
EDB	no data	+
Secure Key	no data	+
OS Guard	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by Atom Z2520 and Core i9-14900KS are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Atom Z2520 and Core i9-14900KS. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR2	DDR5-5600, DDR4-3200
Maximum memory size	2 GB	192 GB
Max memory channels	2	2
Maximum memory bandwidth	8.5 GB/s	89.6 GB/s
ECC memory support	-	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	SGX 544MP2	Intel UHD Graphics 770
Quick Sync Video	-	+
Clear Video HD	no data	+
Graphics max frequency	no data	1.65 GHz
Execution Units	no data	32

Graphics interfaces

Available interfaces and connections of Atom Z2520 and Core i9-14900KS integrated GPUs.

Number of displays supported

2

4

Graphics image quality

Maximum display resolutions supported by Atom Z2520 and Core i9-14900KS integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4	no data	4096 x 2160 @ 60Hz
Max resolution over eDP	no data	5120 x 3200 @ 120Hz
Max resolution over DisplayPort	no data	7680 x 4320 @ 60Hz

Graphics API support

APIs supported by Atom Z2520 and Core i9-14900KS integrated GPUs, sometimes API versions are included.

DirectX	no data	12
OpenGL	no data	4.5

Peripherals

Specifications and connection of peripherals supported by Atom Z2520 and Core i9-14900KS.

PCIe version	no data	5.0 and 4.0
PCI Express lanes	no data	16
USB revision	2.0 OTG, USB-SPH 2.0	no data
Number of USB ports	2	no data
UART	3	no data

Pros & cons summary

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Physical cores	2	24
Threads	4	32
Power consumption (TDP)	3 Watt	150 Watt

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