Also from GSMARENA.COM;
It appears other major differences are regarding the 3G network capabilities and the 4G LTE capabilities, as well as the fact that the I9505 was also developed for the ATT network
Differences:
[TABLE="width: 1115"]
[TR]
[TD]
http://www.gsmarena.com/samsung_i9500_galaxy_s4-5125.php[/TD]
[TD]
http://www.gsmarena.com/samsung_i9505_galaxy_s4-5371.php[/TD]
[/TR]
[TR]
[TD][/TD]
[TD][/TD]
[/TR]
[TR]
[TD]I9500[/TD]
[TD]I9505 (Also available as Samsung SGH-i337 for AT&T.);[/TD]
[/TR]
[TR]
[TD]2G Network GSM 850 / 900 / 1800 / 1900
3G Network HSDPA 850 / 900 / 1900 / 2100[/TD]
[TD]2G Network GSM 850 / 900 / 1800 / 1900 All Versions
3G Network HSDPA 850 / 900 / 1900 / 2100[/TD]
[/TR]
[TR]
[TD][/TD]
[TD]HSDPA 850 / 1900 / 2100 - SGH-i337[/TD]
[/TR]
[TR]
[TD]
4G Network LTE (market dependent)[/TD]
[TD]
4G Network LTE 800 / 850 / 900 / 1800 / 2100 / 2600[/TD]
[/TR]
[TR]
[TD][/TD]
[TD]LTE 700 MHz Class 17 / 1700 / 2100 - SGH-i337[/TD]
[/TR]
[TR]
[TD]
Speed HSDPA, 42.2 Mbps; HSUPA, 5.76 Mbps[/TD]
[TD]
Speed HSDPA, 42.2 Mbps; HSUPA, 5.76 Mbps; LTE, Cat3, 50 Mbps UL, 100 Mbps DL[/TD]
[/TR]
[TR]
[TD]Chipset Exynos 5 Octa 5410[/TD]
[TD]Chipset Qualcomm APQ8064T Snapdragon 600[/TD]
[/TR]
[TR]
[TD]CPU Quad-core 1.6 GHz Cortex-A15 & quad-core 1.2 GHz Cortex-A7[/TD]
[TD]CPU Quad-core 1.9 GHz Krait 300[/TD]
[/TR]
[TR]
[TD]GPU PowerVR SGX 544MP3[/TD]
[TD]GPU Adreno 320[/TD]
[/TR]
[TR]
[TD]Colors White Frost, Black Mist[/TD]
[TD]Colors White Frost, Black Mist, Aurora Red (AT&T only)[/TD]
[/TR]
[TR]
[TD]MISC SAR US 0.85 W/kg (head) 1.55 W/kg (body)[/TD]
[TD]MISC SAR US 0.77 W/kg (head) 1.17 W/kg (body)[/TD]
[/TR]
[TR]
[TD]SAR EU 0.42 W/kg (head) 0.54 W/kg (body)[/TD]
[TD]SAR EU 0.28 W/kg (head) 0.40 W/kg (body)[/TD]
[/TR]
[TR]
[TD]Price group About 630 EUR[/TD]
[TD]Price group About 590 EUR[/TD]
[/TR]
[TR]
[TD][/TD]
[TD]Battery life Endurance rating 69h[/TD]
[/TR]
[/TABLE]