Talking about the Qualcomm Snapdragon 678, it is a 64 bit 8-core CPU that integrates 2 ARM Cortex-A76 Gold cores ticking at 2.20GHz and other 6 Cortex-A55 Silver cores at 1.80GHz clock speed while the MediaTek Dimensity 820 features 4 ARM Cortex-A76 Big cores operating at up to 2.60GHz clock speed and other 4 Cortex-A55 Small cores at 2.00GHz clock speed.
Here in terms of CPU processing, the MediaTek Dimensity 820 is much better than the Snapdragon 678. It also has support for 5G while the Snapdragon 678 supports up to 4G only.
The Qualcomm Snapdragon 678 features the Adreno 612 GPU while the Dimensity 820 has an ARM Mali-G57 MC5 GPU coupled with MediaTek HyperEngine Gaming 2.0 Technology.
Here also the Dimensity 820 has a much better GPU in comparison to the Snapdragon 678.
The MediaTek Dimensity 820 is a 7nm chipset while the SD 678 is designed at 11nm process technology.
Here the Dimensity 820 is more powerful and efficient in comparison to the Snapdragon 678.
Speaking of the MediaTek Dimensity 820, it has support for dual-camera up to 32MP + 16MP and a single camera of up to 80MP while on the other side, the Snapdragon 678 can support up to 16MP + 16MP dual cameras at 30fps and a single camera of up to 48MP same as Snapdragon 675.
For performing AI tasks, the Snapdragon 678 features a 3rd Gen AI Engine which has a Qualcomm Hexagon 685 DSP while the Dimensity 820 has MediaTek’s APU 3.0 which has much better AI Performance in comparison to the Snapdragon 678.
|Aspects||Qualcomm Snapdragon 678||MediaTek Dimensity 820|
|Geekbench||Single core: 464|
Dual core: 1398
|Single core: 629 |
Multi core: 2,568
On AnTuTu, the Snapdragon 678 is ahead of the Dimensity 820 while at Geekbench the Dimensity 820 performed better than the Snapdragon 678.
Note: Below is their more specs comparison.