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| Phone | ZTE Savvy | Nokia Lumia 521 / 520 | Samsung Galaxy S 4 (GSM) | Samsung Galaxy Attain 4G | Samsung Galaxy A71 5G |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size |
4" diag. 5 : 3 |
4" diag. 5 : 3 |
5" diag. 16 : 9 |
3.5" diag. 5 : 3 |
6.7" diag. 20 : 9 |
| Display Resolution & Type |
480 x 800 pixels (~233 ppi) LCD (TFT/TFD) |
480 x 800 pixels (~233 ppi) LCD (TFT/TFD) |
1080 x 1920 pixels (~441 ppi) AMOLED |
320 x 480 pixels (~165 ppi) LCD (TFT/TFD) |
1080 x 2400 pixels (~393 ppi) AMOLED |
| Display Refresh | 60 Hz | ? | 60 Hz | 60 Hz | 60 Hz |
| Battery | 1,650 mAh | 1,430 mAh | 2,600 mAh | 1,650 mAh | 4,500 mAh |
| Processor | 1 GHz Qualcomm MSM8625 | 1 GHz Qualcomm Snapdragon S4 MSM8270 | 1.9 GHz Qualcomm Snapdragon 600 8064T | ? | 2.4 GHz Qualcomm Snapdragon 765 |
| RAM | 768 MB | 512 MB | 2 GB | 512 MB | 6 GB |
| Storage | 4 GB | 8 GB | 16 GB * | ? raw hardware | 128 GB |
| Main Camera | 5 megapixel | 5 megapixel | 13 megapixel | 3 megapixel | 64 megapixel |
| Wide Camera | - | - | - | - | 12 megapixel |
| Tele Camera | - | - | - | - | - |
| Video Capture | WVGA / 480p | 720p HD | 1080p HD | WVGA / 480p | 4K UHD |
| Front Camera | - | - | 2 megapixel | 1 megapixel | 32 megapixel |
| Weight |
4.43 oz (126g) |
4.39 oz (124g) |
4.59 oz (130g) |
4.2 oz (119g) |
6.52 oz (185g) |
| Dimensions |
4.96" x 2.55" x 0.42" (126 x 65 x 10.7 mm) |
4.72" x 2.52" x 0.39" (120 x 64 x 9.9 mm) |
5.38" x 2.75" x 0.31" (137 x 70 x 7.9 mm) |
4.57" x 2.38" x 0.46" (116 x 60 x 11.7 mm) |
6.39" x 2.97" x 0.31" (162 x 75 x 7.9 mm) |
| Platform / OS | Android | Windows | Android | Android | Android |
| Network Bands |
CDMA: 850, 1900 |
4G LTE: 2, 4 CDMA: 850, 1700, 1900 |
5G: 2, 5, 41, 66, 71, 260, 261 4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 66, 71 WCDMA: 1, 2, 4, 5 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
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| Data Technology | EVDO rA | HSPA+ 21 | LTE (Cat 3) | LTE (Cat 3) | NR (5G) |
| Features | |||||
| Fingerprint Reader | - | - | - | - |
Yes in-display (optical) |
| Flashlight | Yes | - | Yes | - | Yes |
| Accessibility | |||||
| Hearing Aid Compatible | Yes | Yes | Yes | Yes | Yes |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes | Yes |
| Connectivity | |||||
| Bluetooth |
Yes Classic Audio |
Yes |
Yes Classic Audio |
Yes Classic Audio |
Yes Classic Audio |
| Infrared (IR) | - | - | Yes | - | - |
| NFC | - | - | Yes | - | Yes |
| USB |
Yes Micro-USB |
Yes | Yes |
Yes Micro-USB |
Yes USB Type C |
| Wi-Fi |
Yes 4 (802.11 b,g,n) |
Yes |
Yes 5 (802.11 a,ac,b,g,n) |
Yes |
Yes 5 (802.11 a,ac,b,g,n) |
| Input | |||||
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Touch Screen | Yes | Yes | Yes | Yes | Yes |
| Memory | |||||
| Memory Card Slot | Yes | Yes | Yes | Yes | Yes |
| Music | |||||
| Headphone Jack (3.5mm) | Yes | Yes | Yes | Yes | Yes |
| Photo & Video | |||||
| DLNA | Yes | - | Yes | Yes | - |
| Miracast | - | - | Yes | - | - |
| TV Output | - | - | Yes | - | - |
| Power | |||||
| Fast Charging | - | - | - | - | Yes |
| Voice | |||||
| HD Voice | - | - | - | - | Yes |
| Speaker Phone | Yes | Yes | Yes | Yes | Yes |
| ZTE Savvy | Nokia Lumia 521 / 520 | Samsung Galaxy S 4 (GSM) | Samsung Galaxy Attain 4G | Samsung Galaxy A71 5G | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | ZTE Savvy | Nokia Lumia 521 / 520 | Samsung Galaxy S 4 (GSM) | Samsung Galaxy Attain 4G | Samsung Galaxy A71 5G |
