Samsung Impression (aka SGH-A877) and Rogue (aka U960) are very similar phones by Samsung, with the Impression being a GSM phone available in the U.S. via AT&T and the Rogue is a CDMA phone available via Verizon wireless.
The Samsung Rogue has voice dialing, more internal memory, longer battery life and supports more music formats.
Comparison chart
 | Samsung Impression SGH-A877 | Samsung Rogue U960 |
|---|---|---|
| Weight | 5.2 oz (147 g) | 4.94 oz (140 g) |
| Bluetooth | Supported Profiles: HSP, HFP 1.5, DUN, OPP, FTP, SAP, A2DP, AVRC, BPP version 2.0 / supports FTP-client | Supported Profiles: HSP, HFP 1.5, DUN, OPP, FTP, PBA, A2DP, AVRC, BPP, BIP version 2.1 |
| Camera | Resolution: 3+ megapixel scene modes (night, portrait, landscape, sports, sunset, text) / geo-tagging / upload to SnapFish | Resolution: 3+ megapixel auto-focus, LED flash / business card reader, photo editor / panorama, multi-shot, timer, brightness, white balance, ISO, spot metering functions |
| Dimensions | 4.48" x 2.28" x 0.64" (114 x 58 x 16.3 mm) | 4.29" x 2.17" x 0.65" (109 x 55 x 16.5 mm) |
| E-mail client | Yes | via app / MS Exchange via RemoSync / plus file viewer (Office, PDF, JPEG, GIF, BMP) |
| Memory card slot | microSD (TransFlash) up to at least 16 GB | microSD (TransFlash) up to at least 16 GB |
| Browser | NetFront 3.5 | version 6.1 |
| Speakerphone | Yes | Yes |
| Voice dialing | No | Speaker-independent (automatic) plus dictation |
| Games | Yes | Yes |
| Screen Resolution | 240 x 400 pixels | 480 x 800 pixels |
| Headset Jack (2.5 mm) | No | No |
| Screen Colors | 262,144 (18-bit) | 262,144 (18-bit) |
| Push-To-Talk | No | No |
| Screen size | 3.2" diagonal | 3.1" diagonal |
| Wireless Carrier | AT&T | Verizon Wireless |
| Flashlight | No | No |
| Networks | GSM 850 / GSM 900 / GSM 1800 / GSM 1900 WCDMA 850 / WCDMA 1900 | CDMA 850 / CDMA 1900 |
| Ruggedized | No | No |
| Physical design | Bar with slide-out keyboard Internal Antenna | Bar with slide-sliding keyboard Internal Antenna |
| Digital TTY/TDD | No | Yes |
| Built-in memory | 189 MB (internal memory available to user for storage) | 512 MB (internal memory available to user for storage) |
| External Display | No | No |
| Address Book size | 2000 | 1000 |
| Polyphonic Ringtones | Chords: 72 | Chords: 96 |
| GPS | A-GPS supports LBS (AT&T Navigator) | A-GPS supports LBS nagivation |
| Ringer Profiles | Yes | No |
| Supports enlarging text | No | No |
| Languages supported | English, Spanish, French | English, Spanish |
| USB | Yes | Yes |
| Vibrate mode | Yes | Yes |
| Picture ID | Yes | Yes |
| Ringer ID | Yes | Yes |
| Touch Screen | Primary input method: Finger resistive type | Primary input method: Finger |
| Hard Drive | No | No |
| MMS | Yes | Yes |
| Text messaging (SMS) | 2-Way: Yes | 2-Way: Yes threaded / plus voice dictation |
| FM Radio | No | No |
| Side buttons | shortcut, volume on left / lock, camera on right | volume on left / lock, voice, speaker, camera keys on right |
| Headphone Jack (3.5mm) | No | Yes |
| Picture messaging | No | No |
| Music Player | Supported Formats: MP3 | Supported Formats: MP3, M4A, AAC, eAAC, eAAC+, WMA |
| Voice recorder | up to 5 minutes each | Yes |
| Stereo Speakers | No | No |
| Operating System | Proprietary | Proprietary |
| Infrared | No | No |
| Live TV | Yes | No |
| PictBridge | No | No |
| Auto-complete suggestions for text | Technology: T9 | Technology: T9 |
| Streaming Video | Yes | Yes |
| Video Capture | QVGA resolution, MPEG-4 format | QCIF resolution / video editor |
| Wi-Fi support | No | No |
| Alarm | Yes | Yes |
| Java support | Yes | No |
| Calculator | plus converter | Yes |
| Keyboard | Layout: QWERTY | Layout: QWERTY |
| Calendar | Yes | Yes |
| SyncML | No | No |
| To-Do List | Yes | No |
| Estimated Battery Life (Standby) | 250 hours max. (10.4 days) | 300 hours max. (12.5 days) |
| BREW | No | Version: 3.1.5 |
| Screen Type | OLED (Full-Color) | OLED (Full-Color) |
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Comments: Samsung Impression SGH-A877 vs Samsung Rogue U960