which is better ?
http/egypt.souq.com/eg-en/hp-probook-450-g1-laptop-intel-core-i5-4200m-4th-gen-15-6-inch-1tb-6gb-silver-6604682/i/
http/egypt.souq.com/eg-en/lenovo-z510-laptop-intel-core-i5-4200m-4th-15-6-inch-1tb-6gb-black-silver-6814520/i/
http/egypt.souq.com/eg-en/hp-probook-450-g1-laptop-intel-core-i5-4200m-4th-gen-15-6-inch-1tb-6gb-silver-6604682/i/
http/egypt.souq.com/eg-en/lenovo-z510-laptop-intel-core-i5-4200m-4th-15-6-inch-1tb-6gb-black-silver-6814520/i/