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Samsung Galaxy S21 Ultra Vs Samsung Galaxy S23 Ultra: A Comprehensive Network Comparison

Samsung Galaxy S21 Ultra vs Samsung Galaxy S23 Ultra: A Comprehensive Network Comparison

When it comes to network capabilities, the Samsung Galaxy S21 Ultra and the Samsung Galaxy S23 Ultra both offer advanced connectivity features. Let’s take a closer look at how these two phones compare in terms of their network specs:

Phone network Comparison
Samsung Galaxy S21 Ultra
Samsung Galaxy S23 Ultra
network Speed
HSPA 42.2/5.76 Mbps, LTE-A (CA), 5G HSPA, LTE-A (up to 7CA), 5G
network SIM
Single SIM (Nano-SIM and/or eSIM) or Dual SIM (Nano-SIM and/or eSIM, dual stand-by) Nano-SIM and eSIM or Dual SIM (2 Nano-SIMs and eSIM, dual stand-by)
IP68 dust/water resistant (up to 1.5m for 30 min)
Armor aluminum frame with tougher drop and scratch resistance (advertised)
Stylus (Bluetooth integration, accelerometer, gyro)
2G Network
GSM 850 / 900 / 1800 / 1900 – SIM 1 & SIM 2 (Dual SIM model only) GSM 850 / 900 / 1800 / 1900 – SIM 1 & SIM 2 (Dual SIM model only)
CDMA 800 / 1900 & TD-SCDMA
3G Network
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
CDMA2000 1xEV-DO
4G Network
1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 30, 38, 39, 40, 41, 46, 48, 66, 71 – SM-G998U1 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 38, 39, 40, 41, 66 – International
1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 46, 48, 66, 71 – USA
5G Network
2, 5, 25, 41, 66, 71, 260, 261 SA/NSA/Sub6/mmWave – SM-G998U1 1, 2, 3, 5, 7, 8, 12, 20, 25, 28, 38, 40, 41, 66, 75, 77, 78 SA/NSA/Sub6 – International
1, 7, 28, 41, 66, 71, 78, 258, 260, 261 SA/NSA/Sub6/mmWave – USA
Network Review
Review Samsung Galaxy S21 Ultra Network Review Review Samsung Galaxy S23 Ultra Network Review

Related for Samsung Galaxy S21 Ultra

Related for Samsung Galaxy S23 Ultra

Network Speed:
– Samsung Galaxy S21 Ultra: HSPA 42.2/5.76 Mbps, LTE-A (CA), 5G
– Samsung Galaxy S23 Ultra: HSPA, LTE-A (up to 7CA), 5G

The Samsung Galaxy S21 Ultra offers faster HSPA speeds compared to the Samsung Galaxy S23 Ultra. However, both phones support LTE-A and 5G connectivity, allowing for blazing-fast data speeds.

Network SIM:
– Samsung Galaxy S21 Ultra: Single SIM (Nano-SIM and/or eSIM) or Dual SIM (Nano-SIM and/or eSIM, dual stand-by)
– Samsung Galaxy S23 Ultra: Nano-SIM and eSIM or Dual SIM (2 Nano-SIMs and eSIM, dual stand-by)

The Samsung Galaxy S23 Ultra offers IP68 dust/water resistance up to 1.5m for 30 min, an Armor aluminum frame with tougher drop and scratch resistance (advertised), and a Stylus with Bluetooth integration, accelerometer, and gyro. These added features make it a more durable and versatile option for consumers.

2G Network:
– Samsung Galaxy S21 Ultra: GSM 850 / 900 / 1800 / 1900 – SIM 1 & SIM 2 (Dual SIM model only)
– Samsung Galaxy S23 Ultra: GSM 850 / 900 / 1800 / 1900 – SIM 1 & SIM 2 (Dual SIM model only), CDMA 800 / 1900 & TD-SCDMA

Both phones offer similar 2G network capabilities, with the Samsung Galaxy S23 Ultra also supporting CDMA 800 / 1900 & TD-SCDMA.

3G Network:
– Samsung Galaxy S21 Ultra: HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
– Samsung Galaxy S23 Ultra: HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100, CDMA2000 1xEV-DO

Again, both phones offer similar 3G network capabilities, with the Samsung Galaxy S23 Ultra also supporting CDMA2000 1xEV-DO.

4G Network:
– Samsung Galaxy S21 Ultra: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 30, 38, 39, 40, 41, 46, 48, 66, 71 – SM-G998U1
– Samsung Galaxy S23 Ultra: 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 38, 39, 40, 41, 66

Full Specs Comparison For Samsung Galaxy S21 Ultra vs Samsung Galaxy S23 Ultra