Amlogic S905X3 vs Broadcom BCM2711


Amlogic S905X3 on Amazon USA
Broadcom BCM2711 on Amazon USA

Comparison of the technical characteristics between the processors, with the Amlogic S905X3 on one side and the Broadcom BCM2711 on the other side, also their respective performances with the benchmarks. The first is dedicated to the tv box sector, It has 4 cores, 4 threads, a maximum frequency of 1.9GHz. 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 1.5 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 and Cinebench.






Specification comparison:


Processor Amlogic S905X3 Broadcom BCM2711
Market (main)TV Box Single-board computer
ISAARMv8.2-A (64-bit) ARMv8-A (64-bit)
MicroarchitectureCortex-A55 Cortex-A72
FamilyS9 Gen 3 BCM
Part number(s), S-Spec

S905X3

BCM2711
Release dateQ4 2019 Q2 2019
Lithography12 nm 28 nm
Cores4 4
Threads4 4
Base frequency1.91 GHz 1.5 GHz
Turbo frequency- -
High performance cores

4x ARM Cortex-A55 @ 1.91 GHz

4x ARM Cortex-A72 @ 1.5 GHz
Cache memory1 MB 1 MB
Max memory capacity4 GB 8 GB
Memory types

LPDDR3, LPDDR4-1066

LPDDR4-3200 SDRAM
TDP5 W 8 W
GPU integrated graphicsARM Mali-G31 MP2 Broadcom VideoCore VI
GPU execution units2 4
GPU shading units32 64
GPU clock850 MHz 500 MHz
GPU FP32 floating point20.8 GFLOPS 32 GFLOPS
SocketSoC SoC
Drystone MIPS21,600 DMIPS 22,740 DMIPS
AI accelerator

NPU, Neural Network Accelerator
INT8, PPU 12.8 GFLOPS FP16, 6.4 GFLOPS FP32,
512KB L2

-
AI computing operations per seconds1.2 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

8K@24fps

4K@60fps
Video decoding

H.265 8K@24fps, 4K@75fps, H.264 4K@30fps

H.265 4K@60fps, H.264 1080p@60fps
Video encoding

H.265 1080p@60fps, H.264 1080p@30fps

H.264 1080p@30fps
Modem10/100/1000M Ethernet MAC,
10/100M Ethernet PHY
10/100/1000M Gigabit Ethernet
Connectivity

USB 2.0, USB 3.0, HDMI 2.1

USB 2.0, USB 3.0, HDMI 2.0
Wi-FiWi-Fi/IEEE 802.11 a/b/g/n 2.4GHz/5GHz 802.11 b/g/n/ac
BluetoothBluetooth 4.0 Bluetooth 4.2
Audio

DAS, I2S, TDM, SPDIF, PCM, PDM

I2S
(Android | Windows)
Geekbench 4 single core
773 415
(Android | Windows)
Geekbench 4 multi-core
2,128 958
(Android | Linux)
Geekbench 5 single core
132 233
(Android | Linux)
Geekbench 5 multi-core
458 674
(SGEMM)
GFLOPS Performance
5.33 GFLOPS 13.5 GFLOPS
(Multi-core / watt performance)
Performance / watt ratio
426 pts / W 128 pts / W
Amazon
eBay



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 S905X3 is greater, that the PDT of Amlogic S905X3 is lower. Both were produced in the same year.

Performance comparison with the benchmarks:


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


AnTuTu - Total Score
Broadcom BCM2711 400,275
Amlogic S905X3 74,472


The difference is 437%.


AnTuTu is one of the most popular apps in the world to evaluate and compare the power of a mobile device with the competition. It tests above all the power of calculation, the display of Web pages, the modeling of decorations in 3D, the management of the memory, the transfer of data.




Android PassMark - CPU Mark
Broadcom BCM2711 1,015
Amlogic S905X3 414


The difference in performance is 145%.


PassMark is a benchmarking software that performs several performance tests including prime numbers, integers, floating point, compression, physics, extended instructions, encoding, sorting. The higher the score is, the higher is the device capacity.




With Android:

Geekbench 4 - Multi-core & Single Core Score - Android
Broadcom BCM2711 976
2,449
Amlogic S905X3 773
2,128


In single core, the difference is 26%. In multi-core, the difference in terms of gap is 15%.


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.


With Android:

Geekbench 5 - Multi-core & Single Core Score - Android
Broadcom BCM2711 234
672
Amlogic S905X3 132
458


In single core, the difference is 77%. In multi-core, the difference in terms of gap is 47%.


Geekbench 5 is a software for measuring the performance of a computer system, for fixed devices, mobile devices, servers. This platform makes it possible to better compare the power of the CPU, the computing power and to compare it with similar or totally different systems. Geekbench 5 includes new workloads that represent work tasks and applications that we can find in reality.




Equivalence:

Amlogic S905X3 Intel EquivalentAmlogic S905X3 AMD EquivalentBroadcom BCM2711 Intel EquivalentBroadcom BCM2711 AMD Equivalent

See also:

Amlogic S905XAmlogic S905X-HAmlogic S905X2Amlogic S905X2-BAmlogic S905X3-BAmlogic S905X4Amlogic S905X4-BAmlogic S905X4-JAmlogic S905X4-KAmlogic S905X5

Broadcom BCM2710A1Broadcom BCM2711B0Broadcom BCM2711C0Broadcom BCM2712




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