Amlogic S905Y4 vs Amlogic S905D3

Amlogic S905Y4 on Amazon USA
Amlogic S905D3 on Amazon USA

Comparison of the technical characteristics between the processors, with the Amlogic S905Y4 on one side and the Amlogic S905D3 on the other side. The first is dedicated to the tv box sector, It has 4 cores, 4 threads, a maximum frequency of 2.0GHz. The second is used on the single-board computer segment, it has a total of 4 cores, 4 threads, its turbo frequency is set to 1.9 GHz. The following table also compares the lithography, the number of transistors (if indicated), the amount of cache memory, the maximum RAM memory capacity, the type of memory accepted, the release date, the maximum number of PCIe lanes, the values ​​obtained in Geekbench 4 and Cinebench R15.


Processor Amlogic S905Y4 Amlogic S905D3
Market (main) TV Box Single-board computer
ISA ARMv8-A (64-bit) ARMv8.2-A (64-bit)
Microarchitecture Cortex-A35 Cortex-A55
Family S9 Gen 4 S9
Part number(s), S-Spec S905Y4 S905D3
Release date Q2 2021 Q4 2019
Lithography 12 nm 12 nm
Cores 4 4
Threads 4 4
Base frequency 2.0 GHz 1.9 GHz
Turbo frequency - -
High performance cores 4x ARM Cortex-A35 @ 2.0 GHz 4x ARM Cortex-A55 @ 1.91 GHz
Cache memory 1 MB 1 MB
Max memory capacity 4 GB 2 GB
Memory types DDR3/4, LPDDR3/4, DDR3200 DDR3/4, LPDDR2/3
TDP 5 W 5 W
GPU integrated graphics ARM Mali-G31 MP2 ARM Mali-G31 MP2
GPU execution units 2 2
GPU shading units 32 32
GPU clock 850 MHz 800 MHz
GPU FP32 floating point 20.8 GFLOPS 20.8 GFLOPS
Socket SoC SoC
Drystone MIPS 16,500 DMIPS 21,600 DMIPS
AI accelerator - Neural Network Processing Unit (NPU),
TensorFlow, Caffe
AI computing operations per seconds - 1.2 TOPS
Crypto engine AES, DES, TDES, TRNG AES 128/256-bit, TDES, SM4, DVB-CSA,
Security TrustZone, Secure boot TrustZone, Secured Boot, Entropy true RNG,
TVP, Secured IO & clock
Max display resolution 4K@60fps 4K@60fps
Video decoding H.265 4K@60fps, H.264 4K@30fps H.265 4K@60fps, H.264 4K@30fps
Video encoding H.265/H.264 1080p@60fps H.265/H.264 1080p@60fps
Modem 10/100/1000 MAC, 10/100 PHY 10/100/1000M Ethernet MAC,
10/100M Ethernet PHY
Connectivity Micro USB, HDMI 2.1 USB 2.0, USB 3.0, HDMI 2.1
Wi-Fi Wi-Fi 2.4GHz/5GHz 802.11a/b/g/n/ac Wi-FI 5/IEEE 802.11a/b/g/n/ac
Bluetooth Bluetooth 4.2 Bluetooth 5.0
(Android 64-bit)
Geekbench 4 single core
717 913
(Android 64-bit)
Geekbench 4 multi-core
1,794 2,424
GFLOPS performance
(Multi-core / watt performance)
Performance / watt ratio
359 pts / W 485 pts / W

We can better compare what are the technical differences between the two processors.

Suggested PSU: We assume that we have An ATX computer case, a high end graphics card, 16GB RAM, a 512GB SSD, a 1TB HDD hard drive, a Blu-Ray drive. We will have to rely on a more powerful power supply if we want to have several graphics cards, several monitors, more memory, etc.

Price: For technical reasons, we cannot currently display a price less than 24 hours, or a real-time price. This is why we prefer for the moment not to show a price. You should refer to the respective online stores for the latest price, as well as availability.

We see that the two processors have an equivalent number of cores, the maximum frequency of Amlogic S905Y4 is greater, that their respective TDP are of the same order. The Amlogic S905Y4 was designed earlier.

Performances :

Performance comparison between the two processors, for this we consider the results generated on benchmark software such as Geekbench 4.

On Android 64-bit:

Geekbench 4 - Multi-core & single core score - Android 64-bit
Amlogic S905D3 913
Amlogic S905Y4 717

In single core, the difference is 27%. In multi-core, the difference in terms of gap is 35%.

Geekbench 4 is a complete benchmark platform with several types of tests, including data compression, images, AES encryption, SQL encoding, HTML, PDF file rendering, matrix computation, Fast Fourier Transform, 3D object simulation, photo editing, memory testing. This allows us to better visualize the respective power of these devices. For each result, we took an average of 250 values on the famous benchmark software.


Amlogic S905Y4 Intel equivalentAmlogic S905Y4 AMD equivalentAmlogic S905D3 Intel equivalentAmlogic S905D3 AMD equivalent

See also:

Amlogic S905Y2

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