Qualcomm Snapdragon 8cx vs Samsung Exynos 5430

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CPU comparison with benchmarks


Qualcomm Snapdragon 8cx CPU1 vs CPU2 Samsung Exynos 5430
Qualcomm Snapdragon 8cx Samsung Exynos 5430

CPU comparison

In this CPU comparison, we compare the Qualcomm Snapdragon 8cx and the Samsung Exynos 5430 and use benchmarks to check which processor is faster.

We compare the Qualcomm Snapdragon 8cx 8 core processor released in Q4/2018 with the Samsung Exynos 5430 which has 8 CPU cores and was introduced in Q3/2014.
Qualcomm Snapdragon (102) Family Samsung Exynos (46)
Qualcomm Snapdragon 8cx (2) CPU group Samsung Exynos 5430 (1)
2 Generation 4
Kryo 495 Architecture Cortex-A15 / Cortex-A7
Mobile Segment Mobile
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The Qualcomm Snapdragon 8cx is a 8 core processor with a clock frequency of 2.84 GHz. The processor can compute 8 threads at the same time. The Samsung Exynos 5430 clocks with 2.00 GHz, has 8 CPU cores and can calculate 8 threads in parallel.

Qualcomm Snapdragon 8cx Characteristic Samsung Exynos 5430
8 Cores 8
8 Threads 8
hybrid (big.LITTLE) Core architecture hybrid (big.LITTLE)
No Hyperthreading No
No Overclocking ? No
2.84 GHz
4x Kryo 495 Gold
A-Core 2.00 GHz
4x Cortex-A15
1.80 GHz
4x Kryo 495 Silver
B-Core 1.40 GHz
4x Cortex-A7

Artificial Intelligence and Machine Learning

Processors with the support of artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors. Algorithms for ML improve their performance the more data they have collected via software. ML tasks can be processed up to 10,000 times faster than with a classic processor.

Qualcomm Snapdragon 8cx Characteristic Samsung Exynos 5430
Qualcomm AI engine AI hardware --
Hexagon 685 @ 3 TOPS AI specifications --

Internal Graphics

Graphics (iGPU) integrated into the processor not only enable image output without having to rely on a dedicated graphics solution, but can also efficiently accelerate video playback.

Qualcomm Adreno 680 GPU ARM Mali-T628 MP6
0.25 GHz GPU frequency 0.60 GHz
0.59 GHz GPU (Turbo) 0.60 GHz
5 GPU Generation Midgard 2
7 nm Technology 32nm
2 Max. displays 1
8 Compute units 6
768 Shader 96
No Hardware Raytracing No
No Frame Generation No
4 GB Max. GPU Memory --
12.0 DirectX Version 11

Hardware codec support

A photo or video codec that is accelerated in hardware can greatly accelerate the working speed of a processor and extend the battery life of notebooks or smartphones when playing videos.

Qualcomm Adreno 680 GPU ARM Mali-T628 MP6
Decode / Encode Codec h265 / HEVC (8 bit) No
Decode / Encode Codec h265 / HEVC (10 bit) No
Decode / Encode Codec h264 Decode / Encode
Decode Codec VP9 No
Decode / Encode Codec VP8 Decode / Encode
No Codec AV1 No
Decode Codec AVC No
Decode Codec VC-1 No
Decode / Encode Codec JPEG No

Memory & PCIe

Up to 16 GB of memory in a maximum of 8 memory channels is supported by the Qualcomm Snapdragon 8cx, while the Samsung Exynos 5430 supports a maximum of GB of memory with a maximum memory bandwidth of -- enabled.

Qualcomm Snapdragon 8cx Characteristic Samsung Exynos 5430
LPDDR4X-4266 Memory LPDDR3e-1066
16 GB Max. Memory
8 (Octa Channel) Memory channels 0
68.2 GB/s Max. Bandwidth --
No ECC No
-- L2 Cache 2.50 MB
2.00 MB L3 Cache --
-- PCIe version --
-- PCIe lanes --
-- PCIe Bandwidth --

Thermal Management

The Qualcomm Snapdragon 8cx has a TDP of 7 W. The TDP of the Samsung Exynos 5430 is --. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution.

Qualcomm Snapdragon 8cx Characteristic Samsung Exynos 5430
7 W TDP (PL1 / PBP) --
-- TDP (PL2) --
-- TDP up --
-- TDP down --
-- Tjunction max. --

Technical details

The Qualcomm Snapdragon 8cx has 2.00 MB cache and is manufactured in 7 nm. The cache of Samsung Exynos 5430 is at 2.50 MB. The processor is manufactured in 20 nm.

Qualcomm Snapdragon 8cx Characteristic Samsung Exynos 5430
7 nm Technology 20 nm
Chiplet Chip design Unknown
Armv8-A (64 bit) Instruction set (ISA) Armv7-A (32 bit)
-- ISA extensions --
-- Socket --
None Virtualization None
No AES-NI No
Android, Windows 10 (ARM) Operating systems Android
Q4/2018 Release date Q3/2014
-- Release price --
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Average performance in benchmarks

⌀ Single core performance in 1 CPU benchmarks
⌀ Multi core performance in 1 CPU benchmarks

Geekbench 5, 64bit (Single-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
Qualcomm Snapdragon 8cx Qualcomm Snapdragon 8cx
8C 8T @ 2.84 GHz
724 (100%)
Samsung Exynos 5430 Samsung Exynos 5430
8C 8T @ 2.00 GHz
175 (24%)

Geekbench 5, 64bit (Multi-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
Qualcomm Snapdragon 8cx Qualcomm Snapdragon 8cx
8C 8T @ 2.84 GHz
2808 (100%)
Samsung Exynos 5430 Samsung Exynos 5430
8C 8T @ 2.00 GHz
553 (20%)

iGPU - FP32 Performance (Single-precision GFLOPS)

The theoretical computing performance of the internal graphics unit of the processor with simple accuracy (32 bit) in GFLOPS. GFLOPS indicates how many billion floating point operations the iGPU can perform per second.
Qualcomm Snapdragon 8cx Qualcomm Snapdragon 8cx
Qualcomm Adreno 680 @ 0.59 GHz
1843 (100%)
Samsung Exynos 5430 Samsung Exynos 5430
ARM Mali-T628 MP6 @ 0.60 GHz
115 (6%)

Performance for Artificial Intelligence (AI) and Machine Learning (ML)

Processors with the support of artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors. The performance is given in the number (trillions) of arithmetic operations per second (TOPS).
Qualcomm Snapdragon 8cx Qualcomm Snapdragon 8cx
8C 8T @ 2.84 GHz
3 (100%)
Samsung Exynos 5430 Samsung Exynos 5430
8C 8T @ 2.00 GHz
0 (0%)

Devices using this processor

Qualcomm Snapdragon 8cx Samsung Exynos 5430
Lenovo Flex 5G
Lenovo Yoga C 5G
Samsung Galaxy Book S
Unknown

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