Dell ME Storage - SSD differences

I'm trying to understand the differences in terms of R/W IOps and life span in TB for the following SSD options available in ME storage. I haven't been able to find the tech specs

GF82IO4: 1.92TB SSD SAS ISE Read Intensive 12Gbps 512 2.5in Hot-plug AG Drive
GL62XHQ: 1.6TB SSD SAS ISE Mix Use 12Gbps 512 2.5in Hot-plug AG Drive, 3 DWPD,

Thanks in advance for your help,