Qualcomm Snapdragon 8s Gen 3 vs MediaTek Dimensity 8400
Qualcomm Snapdragon 8s Gen 3
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The Snapdragon 8s Gen 3 (SM8635) is a high-end SoC (system-on-a-chip) that can be used in premium smartphones and tablets (mostly Android based).
In terms of performance, it is between Snapdragon 8 Gen 2 and Snapdragon 8 Gen 3 and is based on ARM's v9.2 architecture.
The Kryo CPU consists of three clusters: the first consists of a prime core (Cortex X4) with up to 3 GHz, the second of four performance cores with up to 2.8 GHz (Cortex A720). The efficiency cluster consists of three power-saving units (Cortex A520) operating at up to 2 GHz. The SoC uses the integrated Qualcomm Adreno 735 iGPU for graphics acceleration.
Qualcomm's AI engine supports multimodal generative AI models, including LLM, LVM and ASR, and can process up to 10 trillion parameters directly on the SoC. Image manipulation should therefore be possible within fractions of a second. However, there are also drawbacks compared to the Snapdragon 8 Gen 3, as speculative decoding is not possible.
The integrated Snapdragon X70 modem enables a maximum download speed of 5 Gbit/s and an upload speed of up to 3.5 Gbit/s. The modem is also able to support all globally known 5G bands. Qualcomm's FastConnect 7800 is responsible for local communication, which also supports Bluetooth 5.4 with LE Audio and Wi-Fi 7.
The SoC is manufactured at TSMC using the 4 nm process.
MediaTek Dimensity 8400
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The MediaTek Dimensity 8400 is an ARM-based SoC (system-on-a-chip) for smartphones that is manufactured using the 4 nm process. In terms of performance, the processor is in the upper class and supports all current mobile communications standards including 5G SA.
The MediaTek Dimensity 8400 works with eight ARM Cortex-A725 cores based on an "all-big-core design" that relies entirely on performance cores. One ARM Cortex-A725 core operates at 3.25 GHz, three others at 3.0 GHz, while the remaining four cores serve as energy-efficient performance cores and run at up to 2.1 GHz.
At the same time, the ARM cores rely on different amounts of L2 cache memory: 1 core with 1 MB, 3 cores with 512 KB and 4 cores with 256 KB. LPDDR5x-8533 RAM can be used as RAM and UFS 4.0 is supported as internal memory.
Compared to its predecessor, the MediaTek Dimensity 8300, the MediaTek Dimensity 8400 is said to achieve up to 41 percent higher multi-core performance, while the ARM Mali-G720 MC7 graphics unit runs up to 24 percent faster than the ARM Mali-G615 MC6 of its predecessor. According to the manufacturer, the energy efficiency of the CPU and GPU has also improved, with 44% and 42% lower power consumption respectively. The MediaTek NPU 880 is used as the AI chip.
In terms of connectivity, dual 5G with a theoretical peak download speed of up to 5.17 GBit/s is available, as well as WiFi 6E and Bluetooth 5.4. Video recording is supported with up to 4K at 60 fps.
The integrated ARM Mali-G720 MC7 graphics unit can control displays with a resolution of up to 2,960 x 1,440 pixels (WQHD+) and a refresh rate of up to 144 Hz.
| Model | Qualcomm Snapdragon 8s Gen 3 | MediaTek Dimensity 8400 | ||||||||||||
| Codename | Cortex-X4 / A720 / A720 / A520 (Kryo) | Cortex-A725 | ||||||||||||
| Series | Qualcomm Snapdragon 8 | |||||||||||||
| Series: Snapdragon 8 Cortex-X4 / A720 / A720 / A520 (Kryo) |
| |||||||||||||
| Clock | 2000 - 2800 MHz | 2100 - 3250 MHz | ||||||||||||
| L3 Cache | 8 MB | |||||||||||||
| Cores / Threads | 8 / 8 1 x 3.0 GHz ARM Cortex-X4 4 x 2.8 GHz ARM Cortex-A720 3 x 2.3 GHz ARM Cortex-A520 | 8 / 8 1 x 3.3 GHz ARM Cortex-A725 3 x 3.0 GHz ARM Cortex-A725 4 x 2.1 GHz ARM Cortex-A725 | ||||||||||||
| Technology | 4 nm | 4 nm | ||||||||||||
| Features | Adreno GPU, Spectra ISP, Hexagon, X70 5G Modem, FastConnect 7800 Wi-Fi 7, LPDDR5x 4800 MHz Memory Controller | |||||||||||||
| iGPU | Qualcomm Adreno 735 | ARM Mali-G720 MP7 | ||||||||||||
| Architecture | ARM v9.2 | ARM | ||||||||||||
| Announced | ||||||||||||||
| Manufacturer | www.qualcomm.com | |||||||||||||
| L2 Cache | 3.5 MB |
Benchmarks
Average Benchmarks Qualcomm Snapdragon 8s Gen 3 → 100% n=22
Average Benchmarks MediaTek Dimensity 8400 → 96% n=22
- Average benchmark values for this graphics card* Smaller numbers mean a higher performance
1 This benchmark is not used for the average calculation
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