Buy.com via Rakuten Shopping offers the Unlocked Sony Xperia Z GSM Android Smartphone in White, model no. C6602, for $424.99 with free shipping. That's the lowest total price we could find by $5, although we saw it for $20 less a month ago. This quad-band GSM smartphone features an Adreno 320 1.5GHz quad core processor, 5" 1080x1920 touchscreen, 16GB internal storage, up to 14 hours of talk time, 13-megapixel camera, 1080p video recording, and Android 4.1 OS (Jelly Bean).