Qualcomm Snapdragon 8cx vs AMD A4-4355M

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CPU comparison with benchmarks


Qualcomm Snapdragon 8cx CPU1 vs CPU2 AMD A4-4355M
Qualcomm Snapdragon 8cx AMD A4-4355M

CPU comparison

In this CPU comparison, we compare the Qualcomm Snapdragon 8cx and the AMD A4-4355M and use benchmarks to check which processor is faster.

We compare the Qualcomm Snapdragon 8cx 8 core processor released in Q4/2018 with the AMD A4-4355M which has 2 CPU cores and was introduced in Q1/2012.
Qualcomm Snapdragon (102) Family AMD A (112)
Qualcomm Snapdragon 8cx (2) CPU group AMD A4-4000M (2)
2 Generation 2
Kryo 495 Architecture Trinity (Piledriver)
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 AMD A4-4355M clocks with 1.90 GHz (2.40 GHz), has 2 CPU cores and can calculate 2 threads in parallel.

Qualcomm Snapdragon 8cx Characteristic AMD A4-4355M
8 Cores 2
8 Threads 2
hybrid (big.LITTLE) Core architecture normal
No Hyperthreading No
No Overclocking ? No
2.84 GHz
4x Kryo 495 Gold
A-Core 1.90 GHz (2.40 GHz)
1.80 GHz
4x Kryo 495 Silver
B-Core --

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 AMD A4-4355M
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 AMD Radeon HD 7400G
0.25 GHz GPU frequency 0.33 GHz
0.59 GHz GPU (Turbo) 0.42 GHz
5 GPU Generation 4
7 nm Technology 32 nm
2 Max. displays 2
8 Compute units 3
768 Shader 192
No Hardware Raytracing No
No Frame Generation No
4 GB Max. GPU Memory 1 GB
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 AMD Radeon HD 7400G
Decode / Encode Codec h265 / HEVC (8 bit) No
Decode / Encode Codec h265 / HEVC (10 bit) No
Decode / Encode Codec h264 Decode
Decode Codec VP9 No
Decode / Encode Codec VP8 No
No Codec AV1 No
Decode Codec AVC Decode
Decode Codec VC-1 Decode
Decode / Encode Codec JPEG Decode / Encode

Memory & PCIe

Up to 16 GB of memory in a maximum of 8 memory channels is supported by the Qualcomm Snapdragon 8cx, while the AMD A4-4355M supports a maximum of GB of memory with a maximum memory bandwidth of 21.3 GB/s enabled.

Qualcomm Snapdragon 8cx Characteristic AMD A4-4355M
LPDDR4X-4266 Memory DDR3-1333
16 GB Max. Memory
8 (Octa Channel) Memory channels 2 (Dual Channel)
68.2 GB/s Max. Bandwidth 21.3 GB/s
No ECC No
-- L2 Cache --
2.00 MB L3 Cache 1.00 MB
-- PCIe version --
-- PCIe lanes --
-- PCIe Bandwidth --

Thermal Management

The Qualcomm Snapdragon 8cx has a TDP of 7 W. The TDP of the AMD A4-4355M is 17 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution.

Qualcomm Snapdragon 8cx Characteristic AMD A4-4355M
7 W TDP (PL1 / PBP) 17 W
-- 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 AMD A4-4355M is at 1.00 MB. The processor is manufactured in 32 nm.

Qualcomm Snapdragon 8cx Characteristic AMD A4-4355M
7 nm Technology 32 nm
Chiplet Chip design Unknown
Armv8-A (64 bit) Instruction set (ISA) x86-64 (64 bit)
-- ISA extensions SSE4a, SSE4.1, SSE4.2, AVX, FMA3, FMA4
-- Socket FP2
None Virtualization AMD-V
No AES-NI Yes
Android, Windows 10 (ARM) Operating systems
Q4/2018 Release date Q1/2012
-- Release price --
show more data show more data


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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%)
AMD A4-4355M AMD A4-4355M
AMD Radeon HD 7400G @ 0.42 GHz
163 (9%)

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%)
AMD A4-4355M AMD A4-4355M
2C 2T @ 2.40 GHz
0 (0%)

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%)
AMD A4-4355M AMD A4-4355M
2C 2T @ 2.40 GHz
0 (0%)

Estimated results for PassMark CPU Mark

Some of the CPUs listed below have been benchmarked by CPU-monkey. However the majority of CPUs have not been tested and the results have been estimated by a CPU-monkey’s secret proprietary formula. As such they do not accurately reflect the actual Passmark CPU mark values and are not endorsed by PassMark Software Pty Ltd.
Qualcomm Snapdragon 8cx Qualcomm Snapdragon 8cx
8C 8T @ 2.84 GHz
0 (0%)
AMD A4-4355M AMD A4-4355M
2C 2T @ 2.40 GHz
1181 (100%)

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%)
AMD A4-4355M AMD A4-4355M
2C 2T @ 1.90 GHz
0 (0%)

Devices using this processor

Qualcomm Snapdragon 8cx AMD A4-4355M
Lenovo Flex 5G
Lenovo Yoga C 5G
Samsung Galaxy Book S
Unknown

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