Tejas by virtue of composites, HMDS, ELTA 2032 RADAR, FLIR / PASSIVE IRST, DIGITAL FCS, TWR 1.07, WING LOADING 50LB, RCS OF 0.3,
It is way better than JF 17 with forementioned details. In future MK2 will be equal or better than Gripen NG.
Tejas is better as :
1. It has all axis digital FBW FCS.
2. TWR greater than 1:1 (1.07)
3. Wing Loading lower than 50 lbs/ sqft. Despite being a smaller aircraft than JF 17 , wing area of Tejas (413 ft²) is greater than Junk Fighter 17 (263 ft²) .

4. Helmet Mounted Display System Elbit DASH.
5. 45% Composite usage in body of plane. Composites make plane lighter as well as stealthier. The Junk Fighter 17 has only 1950's aluminium body which is heavier than composite body but not as strong.
6. 8 hardpoints vs 7 in Junk Fighter 17.
7. Integrated with FLIR pod.
8. Elta radar 2032 gives 150 km vs 5 msq target. When installed in Tejas it gives 80km vs 2 msq target and 120km vs 5 msq target.
9. Cross-section of Tejas is reported to be around 1/3 of Mirage 2000, due to Composite usage and RAM coatings.
10. Y duct inlet provides shielding against radar waves to engine fan.
Junk Fighter 17 is better as :
1. It has DSI.
2. It has D ......S.....I not I.....S....I.
3. The D the S the I.
4. Deeeeh Aeeeesh Iuyyyyyyyh.
5. Now with American accent Dee A'yes Aye.
5. Now with British accent Deah Aes Eye.
6. In Indian accent " Yeh kya bakch*di hai!"