You are currently viewing Amlogic  S905W vs S905X Difference 2021
S905W vs S905X

Amlogic S905W vs S905X Difference 2021

Overview: S905W is a cost reduction solution for S905X

The main difference between the two is mainly in the decoding performance. S905X can support [email protected], while S905W can only support [email protected] Therefore, when the decoding requirements are relatively high, the S905X series should be selected.

Specifications Comparison:

Processor   Amlogic S905X       Amlogic S905W    
Market (main)   TV Box       TV Box    
ISA   ARMv8-A (64-bit)       ARMv8-A (64-bit)    
Microarchitecture   Cortex-A53       Cortex-A53    
Family   S9       S9    
Part number(s), S-Spec   S905X       S905W    
Release date   2016 Q1       2017 Q3    
Lithography   28 nm HKMG       28 nm HKMG    
Cores   4       4    
Threads   4       4    
Base frequency   1,5 GHz       2,0 GHz    
Turbo frequency            
High performance cores   4x ARM Cortex-A53 @ 1,512 GHz       4x ARM Cortex-A53 @ 2 GHz    
Cache memory   1 MB       1 MB    
Max memory capacity   2 GB       2 GB    
Memory types   DDR3/4, LPDDR2/3       DDR3 RAM    
TDP   5 W       5 W    
GPU integrated graphics   ARM Mali-450 MP3       ARM Mali-450 MP3    
GPU execution units   3       3    
GPU shading units   48       48    
GPU clock rate   750 MHz       750 MHz    
GPU FP32 floating point   35,7 GFLOPS       35,7 GFLOPS    
Socket   SoC       SoC    
Drystone MIPS   13 800 DMIPS       18 400 DMIPS    
Crypto engine   AES 128/192/256-bit, DES, TDES,
      AES, DES, TDES, TRNG    
Security   TrustZone, Secured boot, TVP,
Secured IO & clock
      TrustZone, Secure boot    
Max display resolution   [email protected]       [email protected]    
Video decoding   H.265 [email protected], H.264 [email protected], [email protected]       H.265 [email protected], H.264 [email protected]    
Video encoding   H.264 [email protected]       H.264 1080p60fps    
Modem   10/100 M Ethernet MAC, 10/100M PHY       10/100M Ethernet    
Connectivity   USB 2.0, HDMI 2.0b       USB 2.0, HDMI 2.0    
Wi-Fi   Wi-Fi/IEEE 802.11 b/g/n       2.4GHz, 802.11b/g/n    
Bluetooth   Bluetooth 4.0       Bluetooth 4.1    
Audio   SPDIF, PCM, DAC, PDM, I2S       SPDIF    
AnTuTu   31 241       25 867    
(Android 64-bit)
Geekbench 4 single core
  608       448    
(Android 64-bit)
Geekbench 4 multi-core
  1 609       1 287    
Geekbench 5 single core
  92       80    
Geekbench 5 multi-core
  354       246    
GFLOPS performance
  4,7 GFLOPS       3,25 GFLOPS    
(Multi-core / watt performance)
Performance / watt ratio
  322 pts / W       257 pts / W


The above is a comparison of chip performance parameters, and the manufacturer’s overall configuration will also make different adjustments. For example, for the WIFI module, S905X uses dual-frequency 2.4G and 5G, while S905W uses single-frequency 2.4G.

We found in actual use that S905W can only support up to 3 channels of video decoding, while S905X can support 4 channels of video decoding at the same time. If you want to use the picture-in-picture function, it is recommended to choose S905X

This Post Has One Comment

  1. Admin

    If you have enough Money, I highly recommended you buy S905X Series, much better!

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