The Motorola Razr V3xx Cell Phone offers decent call quality, stereo Bluetooth, and a great interior display and the Krzr K1 also comes with good call quality, Bluetooth, a 2-megapixel camera, and a speaker phone. The Motorola Razr V3xx cell phone has the HSDPA data connection, it offers fast Web browsing, fast downloads, and admirable streaming video quality.

The Razr V3xx has a good battery life of three hours talk time and 12 days standby time and by the comparison of V3xx Motorola Krzr K1 has a good battery life, is provided with a talktime of 5.8 hours and 14 minutes. According to FCC radiation tests, digital SAR rating for Razr V3xx is 1.21 watts per kilogram and for Krzr K1 has 0.9 watts per kilogram.

The Motorola Razr V3xx isn't a quadband world phone, and its 1.3-megapixel camera is not perfect for such a high-end handset. The Motorola KRZR K1 has a 2-megapixel built-in camera with an 8x digital zoom, a screen size of 220x176 pixels and a video resolution of 176x144 pixels. The KRZR's camera features are not so high but consumer can able to adjust resolution, lighting, resolution of images and effects can be added to images.

The KRZR K1 has a shiny, glossy, mirror-finish on the top. The rear of the phone feels velvety or at least rubber-coated. On the inside, the keypad is also in the same indigo-purple color. Motorola Razr V3xx is looks like a iconic profile and it looks boxy when viewed straight. It is available in multiple color schemes. The display of Razr V3xx is brighter than KRZR K1.