Two field experiments were carried out at Sakha Agriculture Research Station, during 2014/2015 and 2015/2016 to investigate the performance of different flax genotypes namely Sakha 1,  Sakha 3, Sakha 5, Sakha 6 (two new flax varities),e Giza 10, Giza 11, Giza 12(two new flax varities), Ilona, S.421/3/6/4, S.533/39/5/3, S.5 and S. 402/1. The experimental design was a complete randomized block with four replications. The preceding crop was rice and sunflower in 2014/2015 and 2015/2016 seasons, respectively. The results revealed that highly significant was found among flax genotypes in straw yield and its related  characters whereas new flax cultivar Giza 12 gave higher technical length. The new flax varity Giza 11 was superior in stem diameter and straw yield/plant, while Giza 12 gave higher straw yield/fed. On the other hand, Ilona cultivar gave the lowest means for straw yield and its components with respect to seed yield and its related data showed highly significance among flax genotypes whereas the Giza 11 variety gave the higher results in fruiting zone length, number of capsules/plant, seed index and seed yield/fed. Sakha 5 variety record the second in seed yield/fed. after Giza 11. Meanwhile, the new flax varity Sakha 6 gave high seed yield/plant in both seasons. On the other hand, the Ilona cultivar gave the lowest mean values for seed yield and its components. With respect to chemical composition of flaxseed genotypes the highest value in moisture content was observed by new flax variety Sakha 6 ,while the highest value in oil content was recorded with Sakha 5 .On other hand the lowest values in oil content and moisture content were observed by Sakha 3 and Ilona. While the highest value in protein content was obtained by Sakha 3 and Ilona . Sakha 3 variety gave the highest values in Ash and crude fiber, while Giza 10 gave the lowest values in Ash and crude fiber. Higher Total carbohydrate were found in S.533/39/5/3 and S.402/1. From the resultes and under the conditions of this study,it could be concluded that for producing highest straw yield  it can be recommended by Giza 12 varity,while for high seed yield and oil used Giza 11 and Sakha 5 respectively.