RK3318 and S905x3, which chip is better?

RK3318 and S905x3 are widely used in many TV Boxes, and both of them possess powerful function. However, RK3318 vs S905x3, which chip is better?

First, let's compare the S905X3 with the previous generation, There are three configurations as follows:
  • 1: 2G memory + 16G flash memory + support connection 2.4G Wifi + support Bluetooth 4.2
  • 2: 4G memory + 32G flash memory + support to connect 2.4G + 5G dual-band WiFi + support Bluetooth 4.2
  • 3: 4G memory + 64G flash memory + support connection 2.4G + 5G dual-band WiFi + support Bluetooth 4.2

RK3318 and S905x3, which chip is better?

In addition, the basic performance is as follows:

CPU: Amlogic S905X3 64-bit quad core ARM® Cortex ™ A55 CPU
GPU: G31 ™ MP2 GPU processor
System: Android 9.0

RK3318 TV box main parameters:
  • Hardware Specifications
  • Chipset RK3318 Quad-Core 64bit Cortex-A53
  • GPU Penta-Core Mali-450 Up to 750Mhz +
  • FLASH EMMC 32 / 64GB
  • SDRAM 2 / 4GB

RK3318 vs S905x3: What's different?​

When we compare the RK3318 vs S905x3, both chips are mainly used in the TV box segment. We can see that both chips are born in the same year and have the same number of cores. S905x3 chip has a maximum frequency of 1.9GHz compared to the RK3318 with 1.5GHz. You can see more performance comparisons in the RK3318 vs S905x3 chip table bellow.

ProcessorRockchip RK3318Amlogic S905X3
Market (main)TV BoxTV Box
ISAARMv8-A (64-bit)ARMv8.2-A (64-bit)
FamilyRK3300S9 Gen 3
Part number(s), S-SpecRK3318S905X3
Release dateQ2 2019Q4 2019
Lithography28 nm HKMG12 nm
Base frequency1.5 GHz1.9 GHz
Turbo frequency--
High performance cores4x ARM Cortex-A53 @ 1.5 GHz4x ARM Cortex-A55 @ 1.91 GHz
Cache memory256 KB1 MB
Max memory capacity4 GB4 GB
Memory typesDDR3, DDR3L, LPDDR3, DDR4LPDDR3, LPDDR4-1066
GPU integrated graphicsARM Mali-450 MP5ARM Mali-G31 MP2
GPU execution units52
GPU shading units8032
GPU base clock300 MHz850 MHz
GPU boost clock750 MHz850 MHz
GPU FP32 floating point59.5 GFLOPS20.8 GFLOPS
Drystone MIPS13,800 DMIPS21,600 DMIPS
AI accelerator-NPU, Neural Network Accelerator INT8, PPU 12.8 GFLOPS FP16, 6.4 GFLOPS FP32,512KB L2
AI computing operations per seconds-1.2 TOPS
Crypto engine-AES 128/256-bit, DES, TDES, SM4,DVB-CSA, TRNG, CRC, SHA-1/SHA-2/HMAC SHA
Security-TrustZone, Secure boot, Entropy true RNG,TVP, Secured IO & clock
Max display resolution-[email protected]
Video decoding-H.265 [email protected], [email protected], H.264 [email protected]
Video encoding-H.265 [email protected], H.264 [email protected]
Modem-10/100/1000M Ethernet MAC,10/100M Ethernet PHY
Connectivity-USB 2.0, USB 3.0, HDMI 2.1
Wi-Fi-Wi-Fi/IEEE 802.11 a/b/g/n
Bluetooth-Bluetooth 4.0
PassMark CPU Mark(Android 64-bit)156414
Geekbench 4 single core(Android 64-bit)522773
Geekbench 4 multi-core(Android)11862128
Geekbench 5 single core(Android)92132
Geekbench 5 multi-core(SGEMM)259458
GFLOPS performance(Multi-core / watt performance)6.59 GFLOPS5.33 GFLOPS
Performance / watt ratio237 pts / W426 pts / W

TV Box with Rockchip RK3318 SoC​

If you are interested in TV box with Rockchip RK3318 SoC, there is a reference.

TV Box with Rockchip RK3318 SoC.jpg

TV Box with Rockchip RK3318 SoCSmart TV Box Android Box RK3318, C Cosycost
Connectivity TechnologyWi-Fi, USB, Ethernet, HD
Connector TypeWIFI 5G,USB, Ethernet 100M,HD
Controller TypeRemote Control
Item Weight0.84 Pounds
Product Dimensions4.17"L x 4.17"W x 0.94"H
Main FeaturesNEWEST Android 11.0 OS
3D+4K & H.265& USB 3.0&BT 4.1

TV Box with Amlogic S905X3​

You can get the product with Amlogic S905X3 on the market with configuration as follow.

Amlogic S905X3.jpg
TV Box with Amlogic S905X3Amlogic S905X3 Android 9.0 TV Box, SUSAY
OSAndroid 9.0
CPUAmlogic S905X3 Quad Core ARM Cortex A55 @2GHz
Flash32GB EMMC
WIFI2.4G +5G+BT 4.0
2*USB1* USB 3.0 ;1*USB 2.0
Support Photo formatHD JPEG/BMP/GIF/PNG/TIFF
USB host2 High speed USB 2.0,support U DISK and USB HDD
Card readerSD/SDHC/MMC cards
High Difinition video outputSD/HD max.1920x1080 pixel
Mouse/ KeyboardSupport mouse and keyboard via USB;Support 2.4GHz wireless mouse and keyboard via 2.4GHz USB dongle
HDHD 2.0 up to 8k4k2k Output with HDR,CEC and HDCP 2,2,[email protected] max resolution output
4K2K hd decoding4k2k H.265 Hardware Video Decode and 4k2k Output
SupportWebM up to VGA
Supports JPEG thumbnail, scaling, rotation and transition effects
Supports mkv,wmv,mpg,mpeg,dat,avi,mov,iso,mp4, rm and jpg file HD MPEG1/2/4,H.264,HD
Real Video 8/9/10 up to [email protected]

Rockchip RK3318 Vs Amlogic S905x3, how to choose?​

When we see the chip comparison RK3318 vs S905x3, there are many differences. They both have own pros and cons. Check the table above
of Amlogic S905x3 vs Rockchip RK3318, and choose the most suitable one.
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My TV box is equipped with RK3318 quad-core Cortex-A53 CPU. I've been using it for a long time, but I'm still happy with its performance.