i5-540UM vs i5-8250U

Primary details

Comparing Core i5-8250U and Core i5-540UM processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	1448	2766
Place by popularity	47	not in top-100
Market segment	Laptop	Laptop
Series	Intel Core i5	Intel Core i5
Power efficiency	24.48	3.31
Architecture codename	Kaby Lake Refresh (2017−2019)	Arrandale (2010−2011)
Release date	21 August 2017 (7 years ago)	24 May 2010 (14 years ago)
Launch price (MSRP)	$297	$250

Detailed specifications

Core i5-8250U and Core i5-540UM 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	4 (Quad-Core)	2 (Dual-core)
Threads	8	4
Base clock speed	1.6 GHz	1.2 GHz
Boost clock speed	3.4 GHz	2 GHz
Bus type	OPI	DMI 1.0
Bus rate	4 GT/s	1 × 2.5 GT/s
Multiplier	16	9
L1 cache	64K (per core)	128 KB
L2 cache	256K (per core)	512 KB
L3 cache	6 MB (shared)	3 MB
Chip lithography	14 nm	32 nm
Die size	123 mm2	81+114 mm2
Maximum core temperature	100 °C	105 °C
Maximum case temperature (TCase)	72 °C	no data
Number of transistors	no data	382+177 Million
64 bit support	+	+
Windows 11 compatibility	+	-

Compatibility

Information on Core i5-8250U and Core i5-540UM 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 (Uniprocessor)
Socket	FCBGA1356,FC-BGA1356	BGA1288
Power consumption (TDP)	15 Watt	18 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-8250U and Core i5-540UM. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2	Intel® SSE4.1, Intel® SSE4.2
AES-NI	+	+
FMA	-	+
AVX	+	-
vPro	no data	+
Enhanced SpeedStep (EIST)	+	+
Speed Shift	+	no data
My WiFi	+	no data
Turbo Boost Technology	2.0	+
Hyper-Threading Technology	+	+
Idle States	+	+
Thermal Monitoring	+	+
Flex Memory Access	+	+
Smart Response	+	no data
PAE	no data	36 Bit
FDI	no data	+
Fast Memory Access	no data	+

Security technologies

Core i5-8250U and Core i5-540UM technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Core i5-8250U and Core i5-540UM are enumerated here.

AMD-V	+	-
VT-d	+	+
VT-x	+	+
EPT	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i5-8250U and Core i5-540UM. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2400, LPDDR3-2133	DDR3
Maximum memory size	32 GB	8 GB
Max memory channels	2	2
Maximum memory bandwidth	38.397 GB/s	12.799 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card Compare	Intel HD Graphics 620	Intel HD Graphics for Previous Generation Intel Processors
Max video memory	32 GB	no data
Quick Sync Video	+	-
Clear Video	+	+
Clear Video HD	+	+
Graphics max frequency	1.1 GHz	500 MHz

Graphics interfaces

Available interfaces and connections of Core i5-8250U and Core i5-540UM integrated GPUs.

Number of displays supported	3	2
eDP	+	no data
DisplayPort	+	-
HDMI	+	-
DVI	+	no data

Graphics image quality

Maximum display resolutions supported by Core i5-8250U and Core i5-540UM integrated GPUs, including resolutions over different interfaces.

4K resolution support	+	no data
Max resolution over HDMI 1.4	4096x2304@24Hz	no data
Max resolution over eDP	4096x2304@60Hz	no data
Max resolution over DisplayPort	4096x2304@60Hz	no data

Graphics API support

APIs supported by Core i5-8250U and Core i5-540UM integrated GPUs, sometimes API versions are included.

DirectX	12	no data
OpenGL	4.4	no data

Peripherals

Specifications and connection of peripherals supported by Core i5-8250U and Core i5-540UM.

PCIe version	3.0	2.0
PCI Express lanes	12	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.

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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.

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Pros & cons summary

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Performance score	3.88	0.63
Integrated graphics card	2.42	0.77
Recency	21 August 2017	24 May 2010
Physical cores	4	2
Threads	8	4
Chip lithography	14 nm	32 nm
Power consumption (TDP)	15 Watt	18 Watt

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Should you still have questions on choice between Core i5-8250U and Core i5-540UM, ask them in Comments section, and we shall answer.

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