i3-8140U vs i3-8145U

Place in the ranking	1773	1708
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	Intel Core i3	no data
Power efficiency	15.05	16.78
Architecture codename	Whiskey Lake-U (2018−2019)	no data
Release date	28 August 2018 (6 years ago)	1 October 2019 (5 years ago)
Launch price (MSRP)	$281	no data

Detailed specifications

Core i3-8145U and Core i3-8140U 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)	2 (Dual-core)
Threads	4	4
Base clock speed	2.1 GHz	2.1 GHz
Boost clock speed	3.9 GHz	3.9 GHz
Bus type	OPI	no data
Bus rate	4 GT/s	4 GT/s OPI
Multiplier	21	no data
L1 cache	128 KB	no data
L2 cache	512 KB	no data
L3 cache	4 MB (shared)	4 MB Intel® Smart Cache
Chip lithography	14 nm	14 nm
Die size	123 mm²	no data
Maximum core temperature	100 °C	100 °C
Maximum case temperature (TCase)	72 °C	no data
64 bit support	+	+
Windows 11 compatibility	+	+

Compatibility

Information on Core i3-8145U and Core i3-8140U 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	FCBGA1528	FCBGA1528
Power consumption (TDP)	15 Watt	15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i3-8145U and Core i3-8140U. 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, Intel® AVX2
AES-NI	+	+
AVX	+	-
Enhanced SpeedStep (EIST)	+	+
Speed Shift	+	+
My WiFi	+	+
Turbo Boost Technology	2.0	2.0
Hyper-Threading Technology	+	+
Idle States	+	+
Thermal Monitoring	+	+
Flex Memory Access	+	+
Smart Response	+	+

Security technologies

Core i3-8145U and Core i3-8140U technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	-
EDB	+	+
Secure Key	+	+
Identity Protection	+	+
SGX	Yes with Intel® ME	Yes with Intel® ME
OS Guard	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Core i3-8145U and Core i3-8140U are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i3-8145U and Core i3-8140U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4	DDR4-2400, LPDDR3-2133
Maximum memory size	64 GB	64 GB
Max memory channels	2	2
Maximum memory bandwidth	38.397 GB/s	37.5 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel® UHD Graphics for 8th Generation Intel® Processors	Intel UHD Graphics 620
Max video memory	32 GB	32 GB
Quick Sync Video	+	+
Clear Video	+	+
Clear Video HD	+	+
Graphics max frequency	1 GHz	1 GHz

Graphics interfaces

Available interfaces and connections of Core i3-8145U and Core i3-8140U integrated GPUs.

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

Graphics image quality

Maximum display resolutions supported by Core i3-8145U and Core i3-8140U integrated GPUs, including resolutions over different interfaces.

4K resolution support	+	+
Max resolution over HDMI 1.4	4096x2304@24Hz	4096x2304@24Hz
Max resolution over eDP	4096x2304@60Hz	4096x2304@60Hz
Max resolution over DisplayPort	4096x2304@60Hz	4096x2304@60Hz

Graphics API support

APIs supported by Core i3-8145U and Core i3-8140U integrated GPUs, sometimes API versions are included.

DirectX	12	12
OpenGL	4.5	4.5

Peripherals

Specifications and connection of peripherals supported by Core i3-8145U and Core i3-8140U.

PCIe version	3.0	3.0
PCI Express lanes	16	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.

i3-8145U 2.43

i3-8140U 2.71
+11.5%

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.

i3-8145U 3790

i3-8140U 4227
+11.5%