Ultra 7 255U vs Atom Z510

Primary details

Comparing processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	3727	926
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	Intel Atom	no data
Power efficiency	1.48	28.64
Designer	Intel	Intel
Architecture codename	Silverthorne (2008−2010)	Arrow Lake-U (2025)
Release date	2 April 2008 (18 years ago)	1 January 2025 (1 year ago)
Launch price (MSRP)	$20	no data

Detailed specifications

Basic parameters of Atom Z510 and Core Ultra 7 255U: 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)	12 (Dodeca-Core)
Performance-cores	no data	2
Efficient-cores	no data	8
Low Power Efficient-cores	no data	2
Threads	1	14
Base clock speed	1.1 GHz	3.8 GHz
Boost clock speed	1.1 GHz	5.2 GHz
Bus type	FSB	no data
Bus rate	400 MT/s	no data
Multiplier	11	no data
L1 cache	56 KB	no data
L2 cache	512 KB	no data
L3 cache	0 KB	12 MB
Chip lithography	45 nm	5 nm
Die size	24.18 mm2	no data
Maximum core temperature	90 °C	110 °C
Number of transistors	47 Million	no data
64 bit support	-	+
Windows 11 compatibility	-	no data
VID voltage range	0.75-1.1V	no data

Compatibility

Information on Atom Z510 and Core Ultra 7 255U 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)	no data
Socket	PBGA441	FCBGA2049
Power consumption (TDP)	2 Watt	15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Atom Z510 and Core Ultra 7 255U. 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	-	2.0
Hyper-Threading Technology	-	+
Idle States	+	no data
Thermal Monitoring	+	+
Demand Based Switching	+	no data
Turbo Boost Max 3.0	no data	-
FSB parity	-	no data
Deep Learning Boost	-	+
Supported AI Software Frameworks	-	OpenVINO™, WindowsML, ONNX RT

Security technologies

Atom Z510 and Core Ultra 7 255U technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	+
EDB	+	+
OS Guard	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by Atom Z510 and Core Ultra 7 255U are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Atom Z510 and Core Ultra 7 255U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	no data	DDR5
Maximum memory size	no data	128 GB
Max memory channels	no data	2

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	-	Intel® Graphics
Quick Sync Video	-	+
Graphics max frequency	-	2.1 GHz

Graphics interfaces

Available interfaces and connections of Atom Z510 and Core Ultra 7 255U integrated GPUs.

Number of displays supported

-

4

Graphics image quality

Maximum display resolutions supported by Atom Z510 and Core Ultra 7 255U 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 (HDMI 2.1 FRL)
Max resolution over eDP	-	3840 x 2400 @ 120Hz
Max resolution over DisplayPort	-	7680 x 4320 @ 60Hz

Graphics API support

APIs supported by Atom Z510 and Core Ultra 7 255U integrated GPUs, sometimes API versions are included.

DirectX	-	12.2
OpenGL	-	4.6

Peripherals

Specifications and connection of peripherals supported by Atom Z510 and Core Ultra 7 255U.

PCIe version	no data	4.0
PCI Express lanes	no data	20

Synthetic benchmarks

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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Combined synthetic benchmark score

This is our combined benchmark performance rating.

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Pros & cons summary

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Performance score	0.07	10.18
Recency	2 April 2008	1 January 2025
Physical cores	1	12
Threads	1	14
Chip lithography	45 nm	5 nm
Power consumption (TDP)	2 Watt	15 Watt