Apple A8X vs Qualcomm Snapdragon 820

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CPU comparison with benchmarks


Apple A8X CPU1 vs CPU2 Qualcomm Snapdragon 820
Apple A8X Qualcomm Snapdragon 820

CPU comparison

In this CPU comparison, we compare the Apple A8X and the Qualcomm Snapdragon 820 and use benchmarks to check which processor is faster.

We compare the Apple A8X 3 core processor released in Q3/2014 with the Qualcomm Snapdragon 820 which has 4 CPU cores and was introduced in Q4/2015.
Apple A series (22) Family Qualcomm Snapdragon (102)
Apple A8/A8X (2) CPU group Qualcomm Snapdragon 820 (3)
8 Generation 3
A8 Architecture Kryo
Mobile Segment Mobile
Apple A6X Predecessor --
Apple A9X Successor --

CPU Cores and Base Frequency

The Apple A8X is a 3 core processor with a clock frequency of 1.50 GHz. The processor can compute 3 threads at the same time. The Qualcomm Snapdragon 820 clocks with 2.15 GHz, has 4 CPU cores and can calculate 4 threads in parallel.

Apple A8X Characteristic Qualcomm Snapdragon 820
3 Cores 4
3 Threads 4
normal Core architecture hybrid (big.LITTLE)
No Hyperthreading No
No Overclocking ? No
1.50 GHz
3x Typhoon
A-Core 2.15 GHz
2x Kryo
-- B-Core 1.60 GHz
2x Kryo

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.

Apple A8X Characteristic Qualcomm Snapdragon 820
-- AI hardware Qualcomm AI engine
-- AI specifications Hexagon 680

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.

Apple A8X GPU Qualcomm Adreno 530
0.45 GHz GPU frequency 0.62 GHz
-- GPU (Turbo) 0.62 GHz
5 GPU Generation 5
20 nm Technology 14 nm
1 Max. displays 0
32 Compute units --
256 Shader 256
No Hardware Raytracing No
No Frame Generation No
2 GB Max. GPU Memory --
-- DirectX Version 11,1

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.

Apple A8X GPU Qualcomm Adreno 530
No Codec h265 / HEVC (8 bit) Decode
No Codec h265 / HEVC (10 bit) No
Decode Codec h264 Decode
No Codec VP9 Decode
No Codec VP8 Decode
No Codec AV1 No
Decode Codec AVC No
Decode Codec VC-1 Decode
Decode / Encode Codec JPEG Decode

Memory & PCIe

Up to 2 GB of memory in a maximum of 1 memory channels is supported by the Apple A8X, while the Qualcomm Snapdragon 820 supports a maximum of 12 GB of memory with a maximum memory bandwidth of 14.9 GB/s enabled.

Apple A8X Characteristic Qualcomm Snapdragon 820
LPDDR3-1600 Memory LPDDR4-3733
2 GB Max. Memory 12 GB
1 (Single Channel) Memory channels 4 (Quad Channel)
12.8 GB/s Max. Bandwidth 14.9 GB/s
No ECC No
2.00 MB L2 Cache --
4.00 MB L3 Cache --
-- PCIe version --
-- PCIe lanes --
-- PCIe Bandwidth --

Thermal Management

The Apple A8X has a TDP of 8 W. The TDP of the Qualcomm Snapdragon 820 is --. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution.

Apple A8X Characteristic Qualcomm Snapdragon 820
8 W TDP (PL1 / PBP) --
-- TDP (PL2) --
-- TDP up --
-- TDP down --
-- Tjunction max. --

Technical details

The Apple A8X has 6.00 MB cache and is manufactured in 20 nm. The cache of Qualcomm Snapdragon 820 is at 0.00 MB. The processor is manufactured in 14 nm.

Apple A8X Characteristic Qualcomm Snapdragon 820
20 nm Technology 14 nm
Chiplet Chip design Chiplet
Armv8-A (64 bit) Instruction set (ISA) Armv8-A (64 bit)
-- ISA extensions --
-- Socket --
None Virtualization None
No AES-NI No
iOS Operating systems Android
Q3/2014 Release date Q4/2015
-- Release price --
show more data show more data


Rate these processors

Here you can rate the Apple A8X to help other visitors make their purchasing decisions. The average rating is 5.0 stars (3 ratings). Rate now:
Here you can rate the Qualcomm Snapdragon 820 to help other visitors make their purchasing decisions. The average rating is 4.0 stars (1 ratings). Rate now:


Average performance in benchmarks

⌀ Single core performance in 2 CPU benchmarks
Apple A8X (100%)
Qualcomm Snapdragon 820 (88%)
⌀ Multi core performance in 3 CPU benchmarks
Apple A8X (100%)
Qualcomm Snapdragon 820 (73%)

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.
Apple A8X Apple A8X
3C 3T @ 1.50 GHz
386 (100%)
Qualcomm Snapdragon 820 Qualcomm Snapdragon 820
4C 4T @ 2.15 GHz
344 (89%)

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.
Apple A8X Apple A8X
3C 3T @ 1.50 GHz
1075 (100%)
Qualcomm Snapdragon 820 Qualcomm Snapdragon 820
4C 4T @ 2.15 GHz
903 (84%)

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.
Apple A8X Apple A8X
3C 3T @ 1.50 GHz
427 (100%)
Qualcomm Snapdragon 820 Qualcomm Snapdragon 820
4C 4T @ 2.15 GHz
367 (86%)

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.
Apple A8X Apple A8X
3C 3T @ 1.50 GHz
959 (100%)
Qualcomm Snapdragon 820 Qualcomm Snapdragon 820
4C 4T @ 2.15 GHz
746 (78%)

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.
Apple A8X Apple A8X
Apple A8X @ 0.45 GHz
230 (48%)
Qualcomm Snapdragon 820 Qualcomm Snapdragon 820
Qualcomm Adreno 530 @ 0.62 GHz
476 (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.
Apple A8X Apple A8X
3C 3T @ 1.50 GHz
2356 (100%)
Qualcomm Snapdragon 820 Qualcomm Snapdragon 820
4C 4T @ 2.15 GHz
1362 (58%)

Devices using this processor

Apple A8X Qualcomm Snapdragon 820
Apple iPad Air 2 Unknown

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