Core Ultra 9 185H vs Atom Z540

Primary details

Comparing Atom Z540 and Core Ultra 9 185H processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	not rated	291
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	Intel Atom	Intel Meteor Lake-H
Architecture codename	Silverthorne (2008−2010)	Meteor Lake-H
Release date	2 April 2008 (16 years ago)	14 December 2023 (less than a year ago)
Launch price (MSRP)	$160	no data
Current price	$250 (1.6x MSRP)	no data

Detailed specifications

Atom Z540 and Core Ultra 9 185H 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)	16 (Hexadeca-Core)
Threads	2	22
Base clock speed	1.86 GHz	3.9 GHz
Boost clock speed	0.07 GHz	5.1 GHz
Bus support	533.33 MT/s	no data
L1 cache	56 KB	112 KB (per core)
L2 cache	512 KB	2 MB (per core)
L3 cache	0 KB	24 MB (shared)
Chip lithography	45 nm	7 nm
Die size	24.18 mm27.8 mm × 3.1 mm	no data
Maximum core temperature	90 °C	no data
Number of transistors	47 Million	no data
64 bit support	-	+
Windows 11 compatibility	-	no data
Unlocked multiplier	No	No
VID voltage range	0.75 -1.1V	no data

Compatibility

Information on Atom Z540 and Core Ultra 9 185H 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	PBGA441	FCBGA2049
Power consumption (TDP)	2.4 Watt	45 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Atom Z540 and Core Ultra 9 185H. 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	no data	+
AVX	no data	+
vPro	no data	+
Enhanced SpeedStep (EIST)	+	+
Speed Shift	no data	+
Turbo Boost Technology	-	no data
Hyper-Threading Technology	+	+
TSX	no data	+
Idle States	+	no data
Thermal Monitoring	+	+
Flex Memory Access	no data	+
SIPP	no data	+
Demand Based Switching	+	no data
Turbo Boost Max 3.0	no data	+
FSB parity	-	no data
Status	Discontinued	Launched

Security technologies

Atom Z540 and Core Ultra 9 185H technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Atom Z540 and Core Ultra 9 185H are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Atom Z540 and Core Ultra 9 185H. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	no data	DDR5
Maximum memory size	no data	96 GB
Max memory channels	no data	2
ECC memory support	no data	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	-	Intel® Arc™ graphics
Quick Sync Video	-	+
Graphics max frequency	-	2.35 GHz

Graphics interfaces

Available interfaces and connections of Atom Z540 and Core Ultra 9 185H integrated GPUs.

Number of displays supported

-

4

Graphics image quality

Maximum display resolutions supported by Atom Z540 and Core Ultra 9 185H integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4	-	4096 x 2304 @ 60Hz (HDMI 2.1 TMDS) 7680 x 4320 @ 60Hz (HDMI2.1 FRL)
Max resolution over eDP	-	3840x2400 @ 120Hz
Max resolution over DisplayPort	-	7680 x 4320 @ 60Hz

Graphics API support

APIs supported by Atom Z540 and Core Ultra 9 185H integrated GPUs, sometimes API versions are included.

DirectX	-	12.2
OpenGL	-	4.6

Peripherals

Specifications and connection of peripherals supported by Atom Z540 and Core Ultra 9 185H.

PCIe version	no data	5.0
PCI Express lanes	no data	28
PCI support	no data	5.0 and 4.0

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.

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Pros & cons summary

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Recency	2 April 2008	14 December 2023
Physical cores	1	16
Threads	2	22
Chip lithography	45 nm	7 nm
Power consumption (TDP)	2 Watt	45 Watt

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