Intel Core i3-8121U VS Intel Core i3-8140U

Comparison of video cards Intel Core i3-8121U vs Intel Core i3-8140U in benchmarks and specifications.

Differences Specifications Benchmarks

Differences

Top features of Intel Core i3-8140U

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Higher turbo clock speed

3.90 GHz 3.20 GHz

Around 18% better overclocked clock speed

Top features of Intel Core i3-8121U

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Higher clock speed

2.20 GHz 2.10 GHz

Around 5% better clock speed

Specifications

Complete list of technical specifications

Intel Core i3-8140U Intel Core i3-8121U

CPU generation and family

Let's find out which one of Intel Core i3-8140U and Intel Core i3-8121U is of a more recent generation, and what segment it belongs to.

Specification	Value
Name	Intel Core i3-8140U Intel Core i3-8121U
Segment	Mobile Mobile
Family	Intel Core i3 Intel Core i3
Generation	8 8
CPU group	Intel Core i 8000U Intel Core i 8000U

CPU Cores and Base Frequency

In this block we are going to compare Intel Core i3-8140U vs Intel Core i3-8121U by main technical specifications: number of cores and threads, base and maximum frequencies, process technology and cache size. The higher these specifications are, the more powerful your CPU will be.

Specification	Value
Frequency	2.10 GHz 2.20 GHz
CPU Cores	2 2
Turbo (1 Core)	3.90 GHz 3.20 GHz
CPU Threads	4 4
Turbo (2 Cores)	3.10 GHz 2.70 GHz
Hyperthreading	Yes Yes
Overclocking	No No
Core architecture	normal normal

Internal Graphics

Common specifications for integrated graphics cards in Intel Core i3-8140U and Intel Core i3-8121U along with supported interfaces and connection options. This block has no effect on the final efficiency of the CPU.

Specification	Value
GPU name	Intel UHD Graphics 620 no iGPU
GPU frequency	0.30 GHz
GPU (Turbo)	1.00 GHz No turbo
Execution units	24
Shader	192
Max. GPU Memory	64 GB --
Max. displays	3
Generation	9.5
DirectX Version	12
Technology	14 nm
Release date	Q3/2016

Hardware codec support

Let's compare the support of video codecs between Intel Core i3-8140U and Intel Core i3-8121U. Hardware support of video decoding by embedded graphics cards directly affects the speed and quality of rendering videos.

Specification	Value
h265 / HEVC (8 bit)	Decode / Encode No
h265 / HEVC (10 bit)	Decode / Encode No
h264	Decode / Encode No
VP9	Decode / Encode No
VP8	Decode / Encode No
AV1	No No
AVC	Decode / Encode No
VC-1	Decode No
JPEG	Decode / Encode No

Memory & PCIe

To choose the best model between Intel Core i3-8140U and Intel Core i3-8121U you need to pay special attention to memory type, clock frequency, multi-channel features, and PCIe version. The higher these numbers are, the better your CPU will be. Keep in mind that the maximum memory and frequency may also depend on the model of the motherboard.

Specification	Value
Memory type	DDR4-2400 SO-DIMM DDR4-2400 SO-DIMM
Max. Memory	32 GB
ECC	Yes No
Memory channels	2 2
PCIe version	3.0 3.0
PCIe lanes	12 16

Encryption

AES-NI encryption support for CPUs Intel Core i3-8140U and Intel Core i3-8121U.

Specification	Value
AES-NI	Yes Yes

Thermal Management

Let's find out what TDP value would be better for Intel Core i3-8140U or Intel Core i3-8121U? The Thermal Design Power (TDP) indicates the maximum amount of heat that should be dissipated by the chip cooling system. However, the value of TDP gives only a rough indication of the real power consumption of the CPU.

Specification	Value
TDP (PL1)	15 W 15 W

Technical details

Here you can find a comparison of 2nd and 3rd level cache sizes for Intel Core i3-8140U and Intel Core i3-8121U CPUs along with a list of ISA extensions.

Specification	Value
Instruction set (ISA)	x86-64 (64 bit) x86-64 (64 bit)
Virtualization	VT-x, VT-x EPT, VT-d VT-x, VT-x EPT, VT-d
ISA extensions	SSE4.1, SSE4.2, AVX2 SSE4.1, SSE4.2, AVX2, AVX-512
L3-Cache	4.00 MB 4.00 MB
Architecture	Kaby Lake U Refresh Cannon Lake U
Technology	14 nm 10 nm
Socket	BGA 1356 BGA 1356
Release date	Q2/2020 Q2/2018

Devices using this processor

List of devices based on Intel Core i3-8140U and Intel Core i3-8121U.

Specification	Value
Used in	Unknown Unknown

Benchmarks

Real tests Intel Core i3-8140U vs Intel Core i3-8121U

Cinebench R15 (Single-Core)

The latter is used for creation of 3D models and forms.

Intel Core i3-8140U

160

Intel Core i3-8121U

139

Cinebench R15 (Multi-Core)

Cinebench R15 can be used for multi-core processor performance benchmark testing.

Intel Core i3-8140U

338

Intel Core i3-8121U

305

Estimated results for PassMark CPU Mark

It tests entire and overall performance of the central processing unit (mathematical calculations, compression and decompression speed, 2D&3D graphic tests).

Intel Core i3-8140U

5410

Intel Core i3-8121U

4802