LG Nexus 5X vs Samsung Galaxy S21+ 5G Exynos

LG Nexus 5X on Amazon USA
Samsung Galaxy S21+ 5G Exynos on Amazon USA

Comparison of the technical features between smartphones, with the LG Nexus 5X on one side and the Samsung Galaxy S21+ 5G Exynos on the other. The first has a processor with 6 cores, 6 threads, a maximale frequency of 1.8GHz. The second chips has a total of 8 cores, 8 threads, its turbo frequency is set to 2.9GHz. The following table also compares the lithography, the amount of RAM memory, the date of first broadcast, the values obtained in Geekbench.

Specification comparison:

Smartphone LG Nexus 5X Samsung Galaxy S21+ 5G Exynos
Model version(s)

Nexus 5X

SM-G996B, SM-G996B/DS, SM-G996N
Release date Q4 2015 Q1 2021
Dimensions 5,79 x 2,86 x 0,31 in 6,36 x 2,98 x 0,31 in
Weight 4.80 oz 6.80 oz
Body Front glass,
plastic body
Front and back glass,
aluminum frame
Screen size, colours 5.2 inches, 16M colours 6.7 inches, 1600 nits, 16M colours
Screen type IPS LCD Dynamic AMOLED 2X, 120Hz
Resolution 1080 x 1920 pixels 1080 x 2400 pixels
Screen ratio 16:9 20:9
Density 423 ppi 394 ppi
Operating system Android 6 Android 11; One UI 3.1
Processor Qualcomm MSM8992 Snapdragon 808 Samsung Exynos 2100
Lithography 20 nm 5 nm LPE
Cores 6 8
Threads 6 8
Energy cores

4x ARM Cortex-A53 @ 1.44 GHz

4x ARM Cortex-A55 @ 2.2 GHz
High performance cores

2x ARM Cortex-A57 @ 1.82 GHz

1x ARM Cortex-X1 @ 2.9 GHz
3x ARM Cortex-A78 @ 2.8 GHz
GPU integrated graphics Qualcomm Adreno 418 ARM Mali-G78 MP14
GPU execution units 1 14
GPU shading units 128 224
GPU clock 600 MHz 759 MHz
GPU FP32 floating point 153.6 GFLOPS 1,360.1 GFLOPS
Memory 2 GB RAM 8 GB RAM
Storage 16 / 32 GB 128 / 256 GB

12,3 MP, f/2,0, 26mm

12 MP, f/1,8, 26mm,
64 MP, f/2,0, 29mm,
12 MP, f/2,2, 13mm


Front photo

5 MP, f/2,0

10 MP, f/2,2, 26mm
Front video


WLAN Wi-Fi 802.11 a/b/g/n/ac Wi-Fi 802.11 a/b/g/n/ac/6e
Bluetooth 4.2, A2DP, LE 5.0, A2DP, LE
USB USB Type-C 2.0 USB Type-C 3.2
Battery capacity 2,700 mAh 4,800 mAh
Battery type Non removable Li-Po Non removable Li-Ion
Battery life (versatile use) ~ 9 hours and 20 minutes ~ 15 hours
TDP 10 W -
Head SAR - -
Body SAR - -
AnTuTu 65,694 608,030
Android PassMark Rating 2,227 10,002
Geekbench 4 single core
936 3,866
Geekbench 4 multi-core
2,225 12,226
Geekbench 5 single core
168 1,023
Geekbench 5 multi-core
404 3,242

We can easily compare the technical characteristics between these two smartphones. The phone Samsung Galaxy S21+ 5G Exynos has a larger number of cores, the maximum frequency of Samsung Galaxy S21+ 5G Exynos is larger. The Samsung Galaxy S21+ 5G Exynos was started more recently.

Autonomy: the autonomy given is the one for a versatile use with video playback, web browsing, various applications, games, photos, etc ...

Price: For technical reasons, we cannot currently display a price less than 24 hours, or a real-time price. This is why we prefer for the moment not to show a price. You should refer to the respective online stores for the latest price, as well as availability.

Performance comparison with the benchmarks:

Performance comparison between the two smartphones, for this we consider the results generated on benchmark softwares such as Geekbench.

AnTuTu - Total score
Samsung Galaxy S21+ 5G Exynos 608,030
LG Nexus 5X 65,694

The difference is 826%.

AnTuTu is one of the most popular apps in the world to evaluate and compare the power of a mobile device with the competition. It tests above all the power of calculation, the display of Web pages, the modeling of decorations in 3D, the management of the memory, the transfer of data.

Android PassMark Rating
Samsung Galaxy S21+ 5G Exynos 10,002
LG Nexus 5X 2,227

The difference in performance is 349%.

PassMark is a benchmarking software that performs several performance tests including prime numbers, integers, floating point, compression, physics, extended instructions, encoding, sorting. The higher the score is, the higher is the device capacity.

On Android:

Geekbench 4 - Multi-core & single core score - Android
Samsung Galaxy S21+ 5G Exynos 3,866
LG Nexus 5X 936

In single core, the difference is 313%. In multi-core, the difference in terms of gap is 449%.

Geekbench 4 is a complete benchmark platform with several types of tests, including data compression, images, AES encryption, SQL encoding, HTML, PDF file rendering, matrix computation, Fast Fourier Transform, 3D object simulation, photo editing, memory testing. This allows us to better visualize the respective power of these devices. For each result, we took an average of 250 values on the famous benchmark software.

On Android:

Geekbench 5 - Multi-core & single core score - Android
Samsung Galaxy S21+ 5G Exynos 1,023
LG Nexus 5X 168

In single core, the difference is 509%. In multi-core, the difference in terms of gap is 702%.

Geekbench 5 is a software for measuring the performance of a computer system, for fixed devices, mobile devices, servers. This platform makes it possible to better compare the power of the CPU, the computing power and to compare it with similar or totally different systems. Geekbench 5 includes new workloads that represent work tasks and applications that we can find in reality.

See also:

LG Nexus 5

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