Comparison of the technical characteristics between the processors, with the Amlogic S928X on one side and the Amlogic S905X4 on the other side, also their respective performances with the benchmarks. The first is dedicated to the TV box sector, It has 5 cores, 5 threads, a maximum frequency of 2.0GHz. The second is used on the tv box segment, it has a total of 4 cores, 4 threads, its turbo frequency is set to 2.0 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 S928X | Amlogic S905X4 | ||||||
| Market (main) | TV Box | TV Box | ||||||
| ISA | ARMv8.2-A (64-bit) | ARMv8.2-A (64-bit) | ||||||
| Microarchitecture | Cortex-A55, Cortex-A76 | Cortex-A55 | ||||||
| Family | S9 | S9 Gen 4 | ||||||
| Part number(s), S-Spec |
S928X
|
S905X4
|
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| Release date | Q1 2023 | Q1 2021 | ||||||
| Lithography | 12 nm | 12 nm | ||||||
| Cores | 5 | 4 | ||||||
| Threads | 5 | 4 | ||||||
| Base frequency | 1.9 GHz | 100 MHz | ||||||
| Turbo frequency | 2.02 GHz | 2.0 GHz | ||||||
| Energy cores |
1x ARM Cortex-A76 @ 1.9 GHz
|
–
|
||||||
| High performance cores |
4x ARM Cortex-A55 @ 2.02 GHz
|
4x ARM Cortex-A55 @ 0.1 / 2.0 GHz
|
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| Cache memory |
1 MB
|
1 MB
|
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| Max memory capacity | 8 GB | 4 GB | ||||||
| Memory types |
DDR4-3200, LPDDR4/4X-4266
|
LPDDR3-2133, DDR3-2133, DDR3L-2133,
LPDDR4-3200, DDR4-3200 |
||||||
| TDP |
5 W
|
5 W
|
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| GPU integrated graphics | ARM Mali-G57 MC2 | ARM Mali-G31 MP2 | ||||||
| GPU execution units | 2 | 2 | ||||||
| GPU shading units | 64 | 16 | ||||||
| GPU base clock | – | 850 MHz | ||||||
| GPU boost clock | 850 MHz | 850 MHz | ||||||
| GPU FP32 floating point | 243.2 GFLOPS | 20.8 GFLOPS | ||||||
| Socket(s) | FCBGA | SoC | ||||||
| Drystone MIPS | 44,908 DMIPS | 22,736 DMIPS | ||||||
| AI accelerator |
Neural Network Accelerator
|
–
|
||||||
| AI computing operations per seconds |
3.2 TOPS | – | ||||||
| Crypto engine |
AES 128/256-bit, TDES, DES, DVB-CSA,
TRNG, CRC, SHA-1/SHA-2/HMAC SHA |
AES, TDES, SHA-1/SHA-2/HMAC, RSA
|
||||||
| Security |
TrustZone, Secured boot, Entropy true RNG,
TVP, Secured IO & clock |
TrustZone, Secure boot
|
||||||
| Max display resolution |
4K@60fps
|
8K@24fps, 4K@120fps
|
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| Video decoding |
H.265 8K@60fps, H.264 4K@30fps
|
AV1 8K@24fps, 4K@120fps,
H.265, H.264, VP9 4K@75fps |
||||||
| Video encoding |
H.265 4K@60fps, H.264 4K@60fps
|
H.265 1080p@60fps,
H.264 1080p@30fps |
||||||
| Modem |
10/100/1000M Ethernet MAC,
10/100M Ethernet PHY |
Gigabit Ethernet MAC, 10/100M PHY
|
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| Connectivity |
USB 2.0, USB 3.0, HDMI 2.1a,
eARC, SDIO 3.0, PCIE 2.0, UART, SPI, PWM |
USB 2.0, USB 3.0, HDMI 2.1b, eMMC 5.0,
SPI, NAND |
||||||
| Wi-Fi | Wi-Fi/IEEE 2.4GHz/5GHz 802.11 a/b/g/n/ac/ax | Wi-Fi 5 802.11 a/b/g/n/ac | ||||||
| Bluetooth | Bluetooth 5.2 | Bluetooth 4.2 | ||||||
| Audio |
TDM, PDM, I2S, DAC, SPDIF
|
Stereo DAC, SPDIF, I2S, PDM
|
||||||
| AnTuTu | 213,561 | 101,519 | ||||||
| (Android) PassMark CPU Mark |
1,398 | 576 | ||||||
| (Android) Geekbench 4 single core |
2,072 | 769 | ||||||
| (Android) Geekbench 4 multi-core |
3,769 | 2,154 | ||||||
| (Android) Geekbench 5 single core |
406 | 129 | ||||||
| (Android) Geekbench 5 multi-core |
752 | 424 | ||||||
| (SGEMM) GFLOPS Performance |
12.3 GFLOPS | 5.4 GFLOPS | ||||||
| (Multi-core / watt performance) Performance / watt ratio |
754 pts / W | 431 pts / W | ||||||
Products |
S928X | S905X4 | ||||||