AMD A6-5400B vs Qualcomm Snapdragon 855

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CPU comparison with benchmarks


AMD A6-5400B CPU1 vs CPU2 Qualcomm Snapdragon 855
AMD A6-5400B Qualcomm Snapdragon 855

CPU comparison

AMD A6-5400B or Qualcomm Snapdragon 855 - which processor is faster? In this comparison we look at the differences and analyze which of these two CPUs is better. We compare the technical data and benchmark results.

The AMD A6-5400B has 2 cores with 2 threads and clocks with a maximum frequency of 3.80 GHz. Up to GB of memory is supported in 2 memory channels. The AMD A6-5400B was released in Q3/2012.

The Qualcomm Snapdragon 855 has 8 cores with 8 threads and clocks with a maximum frequency of 2.84 GHz. The CPU supports up to 16 GB of memory in 4 memory channels. The Qualcomm Snapdragon 855 was released in Q4/2018.
AMD A (112) Family Qualcomm Snapdragon (103)
AMD A6-5000 (3) CPU group Qualcomm Snapdragon 855/860 (3)
4 Generation 6
Kabini (Jaguar) Architecture Kryo 485
Mobile Segment Mobile
-- Predecessor Qualcomm Snapdragon 845
-- Successor --

CPU Cores and Base Frequency

The AMD A6-5400B is a 2 core processor with a clock frequency of 3.60 GHz (3.80 GHz). The Qualcomm Snapdragon 855 has 8 CPU cores with a clock frequency of 2.84 GHz.

AMD A6-5400B Characteristic Qualcomm Snapdragon 855
2 Cores 8
2 Threads 8
normal Core architecture hybrid (Prime / big.LITTLE)
No Hyperthreading No
No Overclocking ? No
3.60 GHz (3.80 GHz) A-Core 2.84 GHz
1x Kryo 485 Prime
-- B-Core 2.42 GHz
3x Kryo 485 Gold
-- C-Core 1.80 GHz
4x Kryo 485 Silver

NPU AI performance

The performance values of the processor's AI unit. The isolated NPU performance is specified here, the total AI performance (NPU+CPU+iGPU) can be higher. Processors with support for artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors.

AMD A6-5400B Characteristic Qualcomm Snapdragon 855
-- AI hardware Qualcomm AI engine
-- AI specifications Hexagon 690 @ 7 TOPS
-- NPU + CPU + iGPU --

Integrated graphics (iGPU)

The integrated graphics unit of a processor is not only responsible for the pure image output on the system, but can also significantly increase the efficiency of the system with the support of modern video codecs.

AMD Radeon HD 7540D GPU Qualcomm Adreno 640
0.64 GHz GPU frequency 0.25 GHz
-- GPU (Turbo) 0.59 GHz
4 GPU Generation 5
32 nm Technology 7 nm
2 Max. displays 1
3 Compute units 4
192 Shader 384
No Hardware Raytracing No
No Frame Generation No
2 GB Max. GPU Memory 4 GB
11 DirectX Version 12.0

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.

AMD Radeon HD 7540D GPU Qualcomm Adreno 640
No Codec h265 / HEVC (8 bit) Decode / Encode
No Codec h265 / HEVC (10 bit) Decode / Encode
Decode Codec h264 Decode / Encode
No Codec VP9 Decode / Encode
No Codec VP8 Decode / Encode
No Codec AV1 No
Decode Codec AVC No
Decode Codec VC-1 No
Decode / Encode Codec JPEG No

Memory & PCIe

The AMD A6-5400B supports a maximum of GB of memory in 2 memory channels. The Qualcomm Snapdragon 855 can connect up to 16 GB of memory in 4 memory channels.

AMD A6-5400B Characteristic Qualcomm Snapdragon 855
DDR3-1866 Memory LPDDR4X-4266
Max. Memory 16 GB
2 (Dual Channel) Memory channels 4 (Quad Channel)
29.9 GB/s Max. Bandwidth 34.1 GB/s
No ECC No
-- L2 Cache 1.75 MB
1.00 MB L3 Cache 2.00 MB
-- PCIe version --
-- PCIe lanes --
-- PCIe Bandwidth --

Thermal Management

The TDP (Thermal Design Power) of a processor specifies the required cooling solution. The AMD A6-5400B has a TDP of 65 W, that of the Qualcomm Snapdragon 855 is --.

AMD A6-5400B Characteristic Qualcomm Snapdragon 855
65 W TDP (PL1 / PBP) --
-- TDP (PL2) --
-- TDP up --
-- TDP down --
-- Tjunction max. --

Technical details

The AMD A6-5400B has a 1.00 MB cache, while the Qualcomm Snapdragon 855 cache has a total of 3.75 MB.

AMD A6-5400B Characteristic Qualcomm Snapdragon 855
28 nm Technology 7 nm
Unknown Chip design Chiplet
x86-64 (64 bit) Instruction set (ISA) Armv8-A (64 bit)
SSE4a, SSE4.1, SSE4.2, AVX ISA extensions --
FM2 Socket --
AMD-V Virtualization None
Yes AES-NI No
Operating systems Android
Q3/2012 Release date Q4/2018
-- Release price --
show more data show more data


Rate these processors

Here you can rate the AMD A6-5400B to help other visitors make their purchasing decisions. The average rating is 0 stars (0 ratings). Rate now:
Here you can rate the Qualcomm Snapdragon 855 to help other visitors make their purchasing decisions. The average rating is 4.2 stars (18 ratings). Rate now:


Average performance in benchmarks

⌀ Single core performance in 1 CPU benchmarks
AMD A6-5400B (60%)
Qualcomm Snapdragon 855 (100%)
⌀ Multi core performance in 2 CPU benchmarks
AMD A6-5400B (35%)
Qualcomm Snapdragon 855 (100%)

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.
AMD A6-5400B AMD A6-5400B
2C 2T @ 3.80 GHz
431 (60%)
Qualcomm Snapdragon 855 Qualcomm Snapdragon 855
8C 8T @ 2.84 GHz
724 (100%)

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.
AMD A6-5400B AMD A6-5400B
2C 2T @ 3.80 GHz
689 (27%)
Qualcomm Snapdragon 855 Qualcomm Snapdragon 855
8C 8T @ 2.84 GHz
2578 (100%)

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.
AMD A6-5400B AMD A6-5400B
AMD Radeon HD 7540D @ 0.64 GHz
246 (27%)
Qualcomm Snapdragon 855 Qualcomm Snapdragon 855
Qualcomm Adreno 640 @ 0.59 GHz
899 (100%)

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.
AMD A6-5400B AMD A6-5400B
2C 2T @ 3.80 GHz
1906 (42%)
Qualcomm Snapdragon 855 Qualcomm Snapdragon 855
8C 8T @ 2.84 GHz
4527 (100%)

Geekbench 6 (Single-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The single-core benchmark only evaluates the performance of the fastest CPU core, the number of CPU cores in a processor is irrelevant here.
AMD A6-5400B AMD A6-5400B
2C 2T @ 3.80 GHz
0 (0%)
Qualcomm Snapdragon 855 Qualcomm Snapdragon 855
8C 8T @ 2.84 GHz
960 (100%)

Geekbench 6 (Multi-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The multi-core benchmark evaluates the performance of all of the processor's CPU cores. Virtual thread improvements such as AMD SMT or Intel's Hyper-Threading have a positive impact on the benchmark result.
AMD A6-5400B AMD A6-5400B
2C 2T @ 3.80 GHz
0 (0%)
Qualcomm Snapdragon 855 Qualcomm Snapdragon 855
8C 8T @ 2.84 GHz
2819 (100%)

AnTuTu 8 Benchmark

The AnTuTu 8 Benchmark measures the performance of a SoC. AnTuTu benchmarks the CPU, GPU, Memory as well as the UX (User Experience) by simulating browser and app usage. AnTuTu can benchmark any ARM CPU that runs under Android or iOS. Devices may not be directly compareable if the benchmark has been performed under different operating systems.

In the AnTuTu 8 benchmark, the single-core performance of a processor is only slightly weighted. The evaluation consists of the multi-core performance of the processor, the speed of the RAM and the performance of the internal graphics.
AMD A6-5400B AMD A6-5400B
2C 2T @ 3.60 GHz
0 (0%)
Qualcomm Snapdragon 855 Qualcomm Snapdragon 855
8C 8T @ 2.84 GHz
432560 (100%)

AI performance (NPU)

The performance values of the processor's AI unit. The isolated NPU performance is given here, the total AI performance (NPU+CPU+iGPU) can be higher.

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).
AMD A6-5400B AMD A6-5400B
2C 2T @ 3.60 GHz
0 (0%)
Qualcomm Snapdragon 855 Qualcomm Snapdragon 855
8C 8T @ 2.84 GHz
7 (100%)

Devices using this processor

AMD A6-5400B Qualcomm Snapdragon 855
Unknown OnePlus 7 Pro
OnePlus 7 Pro 5G
Sony Xperia 1
Sony Xperia 5
Xiaomi Mi 9
Oppo Reno 10x Zoom

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