MTS is mega transfers per second. DDR3 memory can transfer data on both the rising and falling of the clock signal so typically twice the actual clock speed. The manufacturer's site specs for the models in your links are below. Both appear to be about the same. The DDR3L indicates a low voltage module compared to more typical ~1.5 volts for DDR3.
CT2KIT102464BF160B
http://www.crucial.com/usa/en/ct2kit102464bf160b#productDetails CMSO16GX3M2C1600C11
http://www.corsair.com/en-us/corsair-memory-16gb-ddr3l-sodimm-memory-cmso16gx3m2c1600c11 CT2KIT102464BF160B
Product Specifications
BrandCrucial Form FactorSODIMM Total Capacity
16GB kit (8GBx2) WarrantyLimited Lifetime SpecsDDR3 PC3-12800 • CL=11 • Unbuffered • NON-ECC • DDR3-1600 • 1.35V • 1024Meg x 64 • SeriesCrucial ECCNON-ECC Module Qty
2 Speed1600 MT/S TracerFalse Voltage1.35V DIMM TypeUnbuffered Bullet FeaturesIncreases system performance
Corsair Memory — 16GB DDR3L SODIMM Memory (CMSO16GX3M2C1600C11)
Warranty
Limited Lifetime
Fan Included
No
Heat Spreader
—
Memory Configuration
SODIMM
Memory Type
DDR3L
Package Memory Format
SODIMM
Package Memory Pin
204
Performance Profile
none
Memory Size
16GB Kit (2 x 8GB)
SPD Latency
9-9-9-24
SPD Speed
1333MHz
SPD Voltage
1.35V / 1.5V
Speed Rating
PC3-12800 (1600MHz)
Tested Latency
11-11-11-28
Tested Speed
1600MHz
Tested Voltage
1.35V