Both printers include colour printing, Wi-Fi connectivity, and USB connectivity. Their most relevant distinctions are ISO black print speed and ISO colour print speed.
L1350 has ISO black print speed of 11 ipm, versus 8 ipm on L8050. L8050 has ISO colour print speed of 8 ipm, versus 6 ipm on L1350. L1350 has replacement black ink yield of 4700 pages, versus 3600 pages on L8050. L8050 has 10×15 cm photo print time of 12 seconds, versus 69 seconds on L1350. L1350 supports Apple AirPrint, whereas L8050 does not.
The paired specifications favour L1350, particularly on ISO black print speed. The other model may fit better if its own strengths matter more to you. Consider the first model if ISO black print speed matters most; consider the second if ISO colour print speed is the priority.