Mediatek Helio G99 vs Qualcomm Snapdragon 680 4G vs Qualcomm Snapdragon 685 4G
Mediatek Helio G99
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The Mediatek Helio G99 is a mainstream ARM SoC for smartphones (mainly Android based) that was introduced in 2022. It is manufactured in a 6 nm FinFET process and is equipped with 2x big ARM Cortex-A76 cores with up to 2.2 GHz and 6x small and power efficient ARM Cortex-A55 cores (max. 2 GHz) in two clusters (bigLITTLE). The chip integrates an ARM Mali-G57 MC2 (two cores). Compared to the older Helio G96, the G99 is manufactured in the more recent 6nm process and clocks higher.
Furthermore, the integrated LTE / 4G modem supports Cat-13 download speeds. Wi-Fi 5 is also integrated (a/b/g/n/ac). The memory controller supportsLPDDR4x with up to 4,266 Mbps.
Qualcomm Snapdragon 680 4G
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The Qualcomm Snapdragon 680 (SD680, SM6225) is a mid-range ARM-based SoC largely found on Android tablets and smartphones. It features 8 Kryo 265 cores (custom design, 64-Bit capable) that are divided in two clusters. A fast cluster of four cores with up to 2.4 GHz (Kryo 265 Gold - Cortex-A73 derivate) and a power saving efficiency cluster with up to 1.8 GHz (Kryo 265 Silver - Cortex A53 derivate). Both clusters can also be used together. Compared to the older Snapdragon 665, the clock speeds are higher.
In addition to the 8 CPU cores, the SoC integrates a mid range Adreno 610 GPU with a LPDDR4 memory controller (dual-channel) and supports Wi-Fi (802.11ac + MIMO, max. 867 Mbps), Bluetooth 5, and LTE (X11 LTE modem with up to 390 Mbps download).
The SoC is produced in 6nm (compared to the older 11nm LPP process of the similar Snapdragon 665).
Qualcomm Snapdragon 685 4G
► remove from comparisonThe Qualcomm Snapdragon 685 (SD685, SM6225-AD) is a mid-range ARM-based SoC largely found on Android tablets and smartphones. It features 8 Kryo 265 cores (custom design, 64-Bit capable) that are divided in two clusters. A fast cluster of four cores with up to 2.8 GHz (Kryo 265 Gold - Cortex-A73 derivate) and a power saving efficiency cluster with up to 1.9 GHz (Kryo 265 Silver - Cortex A53 derivate). Both clusters can also be used together. According to Qualcomm the SD685 is around 15% more CPU performance and 10% more GPU performance compared to the old SD680 (thanks to higher clock speeds).
In addition to the 8 CPU cores, the SoC integrates a mid range Adreno 610 GPU with a LPDDR4 memory controller (dual-channel) and supports Wi-Fi (802.11ac + MIMO, max. 867 Mbps), Bluetooth 5, and LTE (X11 LTE modem with up to 390 Mbps download).
The SoC is produced in 6nm.
| Model | Mediatek Helio G99 | Qualcomm Snapdragon 680 4G | Qualcomm Snapdragon 685 4G | ||||||||||||||||||||||||||||||||||||
| Codename | Cortex-A76 / A55 | Kryo 265 Gold (Cortex-A73) / Silver (Cortex-A53) | Kryo 265 Gold (Cortex-A73) / Silver (Cortex-A53) | ||||||||||||||||||||||||||||||||||||
| Series | Mediatek Mediatek Helio G | Qualcomm Snapdragon | Qualcomm Snapdragon | ||||||||||||||||||||||||||||||||||||
| Series: Snapdragon Kryo 265 Gold (Cortex-A73) / Silver (Cortex-A53) |
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| Clock | 2000 - 2200 MHz | 1800 - 2400 MHz | 1900 - 2800 MHz | ||||||||||||||||||||||||||||||||||||
| Cores / Threads | 8 / 8 2 x 2.2 GHz ARM Cortex-A76 6 x 2.0 GHz ARM Cortex-A55 | 8 / 8 | 8 / 8 | ||||||||||||||||||||||||||||||||||||
| Technology | 6 nm | 6 nm | 6 nm | ||||||||||||||||||||||||||||||||||||
| Features | 2x Cortex-A76, 6x Cortex-A55, 4G LTE Cat-12/13, 64MP AI-Camera support, LPDDR3/LPDDR4x-2133, eMMC 5.1, UFS 2.1, Beidou, Galileo, Glonass, GPS, Wi-Fi 5 (a/b/g/n/ac), AI Accelerator up to 1 TMACs, H.264 / H.265 / HEVC video encoding (4k30) | Adreno 610 GPU, X11 LTE Modem, Hexagon 686 DSP, Spectra 346 ISP | Adreno 610 GPU, X11 LTE Modem, Hexagon 686 DSP, Spectra 346 ISP, FastConnect 6200 (BT 5.2, WLAN ac), QuickCharge 3.0 | ||||||||||||||||||||||||||||||||||||
| iGPU | ARM Mali-G57 MP2 | Qualcomm Adreno 610 | Qualcomm Adreno 610 | ||||||||||||||||||||||||||||||||||||
| Architecture | ARM | ARM | ARM | ||||||||||||||||||||||||||||||||||||
| Announced | |||||||||||||||||||||||||||||||||||||||
| Manufacturer | www.mediatek.com | www.qualcomm.com | www.qualcomm.com |
Benchmarks
Average Benchmarks Mediatek Helio G99 → 100% n=22
Average Benchmarks Qualcomm Snapdragon 680 4G → 69% n=22
Average Benchmarks Qualcomm Snapdragon 685 4G → 78% 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
