Samsung
Side-by-side technical data
Samsung Galaxy A13 (SM-A137) vs Samsung Galaxy S21 Ultra 5G
Compare up to four phones using typed, normalized technical data. Measurements stay numeric, capabilities stay boolean, and options stay comparable.
The verdict
Your pick: Samsung Galaxy S21 Ultra 5G, ahead on Design & display, Performance & hardware, Camera, Connectivity and Battery & charging.
| Category | Galaxy A13 (SM-A137) | Galaxy S21 Ultra 5G |
|---|---|---|
| Design & display | 5.6 | 7.9 |
| Performance & hardware | 3.5 | 7.4 |
| Camera | 6.2 | 8.2 |
| Connectivity | 4.4 | 7.7 |
| Battery & charging | 5.3 | 8.1 |
Which one is for you?
Samsung Galaxy S21 Ultra 5G, if you care about…
- Maximum Storage Capacity
- 512 GB
- against 128 GB
- Display Pixel Density
- 515 ppi
- against 400 ppi
- Fast Charge Power
- 25 W
- against 15 W
Specification comparison
Design
| Specification | Galaxy A13 (SM-A137) | Galaxy S21 Ultra 5G |
|---|---|---|
| Body Colors | Black, White, Blue | Black, Silver, Titanium, Navy, Brown, Grey |
| Body Thickness | 8.8 mm Best value | 8.9 mm |
| Body Width | 76.4 mm | 75.6 mm |
| Body Height | 165.1 mm | 165.1 mm |
| Weight | 195 g | 229 g |
| Usable Surface | 83.2 % | 89.8 % |
| Body Materials | Glass, Plastic | Glass, Aluminium Alloy |
| Resistance Features | — | IP68, Dust Resistant, Water Resistant, Stylus Support |
| Waterproof Depth | — | 1.5 m |
| Drop Resistance Class | — | — |
| Repairability Class | — | — |
| Foldable | No | No |
| Rugged Build | — | — |
| Drop Test Count | — | — |
| Unfolded thickness | — | — |
Battery
| Specification | Galaxy A13 (SM-A137) | Galaxy S21 Ultra 5G |
|---|---|---|
| Battery Efficiency Rating | — | — |
| Battery Capacity | 5,000 mAh Best value | 5,000 mAh Best value |
| Battery Type | Li-Polymer | Li-Ion |
| Fast Charge Power | 15 W | 25 W Best value |
| Battery Features | Fast Charging | Non-Removable, Fast Charging, Wireless Charging, Reverse Wireless Charging, Reverse Charging, Rechargeable, Battery Level Indicator |
| Battery Endurance | — | — |
| Wireless charging power | — | 15 W |
| Charge cycles | — | — |
Performance
| Specification | Galaxy A13 (SM-A137) | Galaxy S21 Ultra 5G |
|---|---|---|
| Processor Model | MediaTek Helio G80 | Samsung Exynos 2100 |
| Processor Process Size | 12 nm | 5 nm |
| Graphics GPU | Mali-G52 MC2 | Mali-G78 MP14 |
| Storage Type | eMMC 5.1 | UFS 3.1 |
| Maximum CPU Clock | 2 GHz | 2.91 GHz |
| Maximum Storage Capacity | 128 GB | 512 GB Best value |
| AnTuTu Score | — | 749,000 |
| Geekbench 6 Single-Core | — | 1,334 |
| Geekbench 6 Multi-Core | — | 3,339 |
| CPU Description | Octa-core CPU with 2x2.0 GHz Cortex-A75 and 6x1.8 GHz Cortex-A55. | Octa-core processor with Cortex-X1, Cortex-A78, and Cortex-A55 cores. |
| Processor Type | Octa-Core | Octa-Core |
| 64-Bit Processor | — | Yes |
| RAM Capacity | 4 GB | 16 GB |
| RAM Type | — | LPDDR5 |
| Expandable Storage | Yes | No |
| AnTuTu version | — | v10 |
| 3DMark Wild Life Extreme | — | — |
Sensors
| Specification | Galaxy A13 (SM-A137) | Galaxy S21 Ultra 5G |
|---|---|---|
| Fingerprint Sensor Placement | Side | Under Display |
Display
| Specification | Galaxy A13 (SM-A137) | Galaxy S21 Ultra 5G |
|---|---|---|
| Display Aspect Ratio | 20:9 | 20:9 |
| Peak Display Brightness | — | 1,500 nits |
| Display Technology | PLS LCD | Dynamic AMOLED 2X |
| Display Diagonal | 6.6″ | 6.8″ |
| Display Horizontal Resolution | 1,080 px | 1,440 px |
| Display Vertical Resolution | 2,408 px | 3,200 px |
| Display Pixel Density | 400 ppi | 515 ppi Best value |
| Display Refresh Rate | — | 120 Hz |
| Touch Sampling Rate | — | 120 Hz |
| Display Contrast Ratio | — | 3,000,000 :1 |
| Display Features | Gorilla Glass 5, PLS LCD | Gorilla Glass Victus, HDR10+, Always-On Display, Hole-Punch Notch, Scratch Resistant, Dual-Edge Display, LTPO, Capacitive Touch, Multi-Touch, Frameless |
| Integrated Projector | — | No |
| Projector Brightness | — | — |
| Projector Horizontal Resolution | — | — |
| Projector Vertical Resolution | — | — |
| Cover display diagonal | — | — |
| Cover display refresh rate | — | — |
| Cover display peak brightness | — | — |
Sensor
| Specification | Galaxy A13 (SM-A137) | Galaxy S21 Ultra 5G |
|---|---|---|
| Sensor Features | Fingerprint Sensor, Accelerometer, Compass | Fingerprint Sensor, Accelerometer, Gyroscope, Proximity Sensor, Compass, Barometer, Light Sensor, Hall Sensor |
Software
| Specification | Galaxy A13 (SM-A137) | Galaxy S21 Ultra 5G |
|---|---|---|
| Operating System | Android 12 | Android 11 |
| OS Family | Android | Android |
| OS Version | 12 | 11 |
| OS Update Support | — | 2 years |
| Direct OS Updates | — | No |
| Google Services | — | Yes |
Connectivity
| Specification | Galaxy A13 (SM-A137) | Galaxy S21 Ultra 5G |
|---|---|---|
| SIM Configurations | Single Nano-SIM, Dual Nano-SIM | Nano-SIM + eSIM, Dual Nano-SIM + eSIM, Dual Nano-SIM, Dual SIM Dual Standby |
| Cellular Bands | 2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS B850, 3G UMTS B900, 3G UMTS 2100, 4G LTE B1, 4G LTE B3, 4G LTE B5, 4G LTE B7, 4G LTE B8, 4G LTE B20, LTE B28, 4G LTE B38, 4G LTE B40, 4G LTE B41 | 2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS B850, 3G UMTS B900, 3G UMTS 1700 AWS, 3G UMTS 1900, 3G UMTS 2100, 3G UMTS B1, 3G UMTS B2, 3G UMTS B3, 3G UMTS B4, 3G UMTS B5, 3G UMTS B8, 4G LTE B1, 4G LTE B2, 4G LTE B3, 4G LTE B4, 4G LTE B5, 4G LTE B7, 4G LTE B8, 4G LTE B12, 4G LTE B13, 4G LTE B14, 4G LTE B17, 4G LTE B18, 4G LTE B19, 4G LTE B20, 4G LTE B25, 4G LTE B26, 4G LTE B28A, 4G LTE B28B, 4G LTE B30, 4G LTE B38, 4G LTE B39, 4G LTE B40, 4G LTE B41, 4G LTE B46, 4G LTE B48, 4G LTE B66, 4G LTE B71, 5G NR n1, 5G NR n2, 5G NR n3, 5G NR n5, 5G NR n7, 5G NR n8, 5G NR n20, 5G NR n25, 5G NR n26, 5G NR n28a, 5G NR n28b, 5G NR n38, 5G NR n40, 5G NR n41, 5G NR n66, 5G NR n71, 5G NR n77, 5G NR n78, 5G NR n260, 5G NR n261 |
| Cellular Technologies | GSM, HSPA, LTE | GSM, CDMA, HSPA, EVDO, LTE, 5G |
| Wi-Fi Standards | Wi-Fi 802.11a/b/g/n/ac | Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax), Wi-Fi 6E |
| Wi-Fi Features | Dual Band, Wi-Fi Direct | Dual Band, Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display, MIMO |
| Bluetooth Version | Bluetooth 5.2 | Bluetooth 5.2 |
| Bluetooth Profiles | — | A2DP, LE, AVRCP, DIP, HFP, HID, HSP, MAP, PAN, OPP, PBAP/PAB, ANT+ |
| Navigation Systems | GPS, GLONASS, Galileo, BeiDou | GPS, A-GPS, GLONASS, BeiDou, Galileo |
| Connectivity Features | 3.5 mm Audio Jack, Virtual Proximity Sensing, NFC, USB Type-C, USB OTG | Samsung DeX, UWB, NFC, FM Radio, USB Charging, USB Mass Storage, USB Host 3.1, USB Host, USB OTG, USB Type-C, OTA Sync, Tethering |
| USB Version | USB 2.0 | USB 3.2 |
| SAR American Head | — | 0.77 W/kg |
| SAR American Body | — | 1.02 W/kg |
| SAR (EU) head | 0.35 W/kg | 0.71 W/kg |
| SAR (EU) body | 1.22 W/kg | 1.58 W/kg |
Audio
| Specification | Galaxy A13 (SM-A137) | Galaxy S21 Ultra 5G |
|---|---|---|
| Microphone Count | — | 2 |
| Audio Features | A2DP, LE | Stereo Speakers, Dolby Atmos, Hi-Res Audio, Noise-Cancellation Microphone, A2DP, LE, AVRCP, DIP, HFP, HID, HSP, MAP, PAN, OPP, PBAP/PAB, ANT+ |
Technical
| Specification | Galaxy A13 (SM-A137) | Galaxy S21 Ultra 5G |
|---|---|---|
| EAN / GTIN | — | — |
| UPC | — | — |
| Launch price | — | — |
| MPN | — | — |
| Launch price (USD) | — | — |
