Snapdragon 480 vs Snapdragon 690 Comparison
The Qualcomm Snapdragon 460 is an entry-level chipset while the Snapdragon 690 is a mid-range chipset. Here is their comparison.
Qualcomm Snapdragon 480 vs Qualcomm Snapdragon 690
CPU:
The Qualcomm Snapdragon 460 features a 64-Bit Kryo 460 octa-core CPU that integrates 2 ARM Cortex-A76 Gold cores operating at up to 2.00GHz and other 6 Cortex-A55 Silver cores at 1.80GHz clock speed while the Snapdragon 690 has 2 ARM Cortex-A77 Gold cores clocked at up to 2.00GHz and other 6 Cortex-A55 Silver cores at 1.70GHz clock speed.
Here the Snapdragon 460 has a better clock speed but the Snapdragon 690 has a better CPU architecture that makes it a better chipset in comparison to the Snapdragon 460.
So in terms of CPU processing, the Snapdragon 690 is a better chipset than the Snapdragon 460.
GPU:
The Qualcomm Snapdragon 460 has an Adreno 619 GPU while the Snapdragon 690 integrates an Adreno 619L GPU. So here also the Snapdragon 690 has a better GPU than the SD 460.
So in the case of gaming, the SD 690 is better than the SD 460.
Manufacturing Process:
The Snapdragon 690 is a 8nm chipset while the Snapdragon 460 is also built using the 8nm LPP Process technology. So here both chipsets use the same power and both are power-efficient.
SD 480 vs SD 690
The full specs comparison of Snapdragon 460 and Snapdragon 690 is available on Mobilestalk.net