i5-8257U vs Atom Z530

Place in the ranking	3351	1268
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	Intel Atom	Intel Core i5
Power efficiency	no data	29.72
Architecture codename	Silverthorne (2008−2010)	Coffee Lake-U (2018−2019)
Release date	2 April 2008 (16 years ago)	10 July 2019 (5 years ago)
Launch price (MSRP)	$95	no data

Detailed specifications

Atom Z530 and Core i5-8257U 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)	4 (Quad-Core)
Threads	2	8
Base clock speed	1.6 GHz	1.4 GHz
Boost clock speed	0.1 GHz	3.9 GHz
Bus type	FSB	no data
Bus rate	533.33 MT/s	4 GT/s
Multiplier	12	no data
L1 cache	56 KB	256 KB
L2 cache	512 KB	1 MB
L3 cache	0 KB	6 MB
Chip lithography	45 nm	14 nm
Die size	24.18 mm²	no data
Maximum core temperature	90 °C	100 °C
Number of transistors	47 Million	no data
64 bit support	-	+
Windows 11 compatibility	-	+
VID voltage range	0.75 -1.1V	no data

Compatibility

Information on Atom Z530 and Core i5-8257U 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	FCBGA1528
Power consumption (TDP)	2 Watt	15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Atom Z530 and Core i5-8257U. 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)	+	+
eDRAM	no data	128 MB
Speed Shift	no data	+
My WiFi	no data	+
Turbo Boost Technology	-	2.0
Hyper-Threading Technology	+	+
Idle States	+	+
Thermal Monitoring	+	+
Flex Memory Access	no data	+
Demand Based Switching	+	no data
FSB parity	-	no data

Security technologies

Atom Z530 and Core i5-8257U technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	-
EDB	+	+
Secure Key	no data	+
MPX	-	+
Identity Protection	-	+
SGX	no data	Yes with Intel® ME
OS Guard	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by Atom Z530 and Core i5-8257U are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Atom Z530 and Core i5-8257U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	no data	DDR4
Maximum memory size	no data	32 GB
Max memory channels	no data	2
Maximum memory bandwidth	no data	37.5 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	-	Intel Iris Plus Graphics 645
Max video memory	-	32 GB
Quick Sync Video	-	+
Clear Video	-	+
Clear Video HD	-	+
Graphics max frequency	-	1.05 GHz
InTru 3D	-	+

Graphics interfaces

Available interfaces and connections of Atom Z530 and Core i5-8257U integrated GPUs.

Number of displays supported	-	3
eDP	-	+
DisplayPort	-	+
HDMI	-	+
DVI	-	+

Graphics image quality

Maximum display resolutions supported by Atom Z530 and Core i5-8257U integrated GPUs, including resolutions over different interfaces.

4K resolution support	-	+
Max resolution over HDMI 1.4	-	4096x2304@30Hz
Max resolution over eDP	-	4096x2304@60Hz
Max resolution over DisplayPort	-	4096x2304@60Hz

Graphics API support

APIs supported by Atom Z530 and Core i5-8257U integrated GPUs, sometimes API versions are included.

DirectX	-	12
OpenGL	-	4.5

Peripherals

Specifications and connection of peripherals supported by Atom Z530 and Core i5-8257U.

PCIe version	no data	3.0
PCI Express lanes	no data	16

Synthetic benchmark performance

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

Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

Atom Z530 0.12

i5-8257U 4.71
+3825%

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

Atom Z530 183

i5-8257U 7474
+3984%

Gaming performance

Pros & cons summary

Performance score	0.12	4.71
Recency	2 April 2008	10 July 2019
Physical cores	1	4
Threads	2	8
Chip lithography	45 nm	14 nm
Power consumption (TDP)	2 Watt	15 Watt

Atom Z530 has 650% lower power consumption.

i5-8257U, on the other hand, has a 3825% higher aggregate performance score, an age advantage of 11 years, 300% more physical cores and 300% more threads, and a 221.4% more advanced lithography process.

The Core i5-8257U is our recommended choice as it beats the Atom Z530 in performance tests.

Should you still have questions on choice between Atom Z530 and Core i5-8257U, ask them in Comments section, and we shall answer.