Samsung
Side-by-side technical data
Samsung Galaxy A91 vs Samsung Galaxy A18 4G
Compare up to four phones using typed, normalized technical data. Measurements stay numeric, capabilities stay boolean, and options stay comparable.
The verdict
Neither runs away with it: each wins something.
Which one is for you?
Samsung Galaxy A91, if you care about…
- RAM Capacity
- 8 GB
- against 4 GB
- Fast Charge Power
- 45 W
- against 25 W
Samsung Galaxy A18 4G, if you care about…
- Battery Capacity
- 5,000 mAh
- against 4,500 mAh
- Bluetooth Version
- Bluetooth 5.3
- against Bluetooth 5.0
- Maximum Storage Capacity
- 256 GB
- against 128 GB
- SIM Configurations
- Dual Nano-SIM, Dual Nano-SIM + eSIM, Dual SIM Dual Standby
- against Single Nano-SIM, Dual Nano-SIM
Specification comparison
Performance
| Specification | Galaxy A91 | Galaxy A18 4G |
|---|---|---|
| Processor Model | Qualcomm Snapdragon 855 | Samsung Exynos 1610 |
| Processor Process Size | 7 nm | 5 nm Best value |
| Graphics GPU | Qualcomm Adreno 640 | Xclipse |
| Storage Type | — | — |
| Maximum CPU Clock | 2.84 GHz Best value | 2.4 GHz |
| Maximum Storage Capacity | 128 GB | 256 GB Best value |
| AnTuTu Score | — | 1,120,000 |
| Geekbench 6 Single-Core | — | — |
| Geekbench 6 Multi-Core | — | — |
| CPU Description | Octa-core CPU with Kryo 485 cores clocked at 2.84 GHz, 2.42 GHz, and 1.78 GHz. | Octa-core (2x2.4 GHz Cortex-A7X and 6x2.0 GHz Cortex-A55) |
| Processor Type | Octa-Core | Octa-Core |
| 64-Bit Processor | — | Yes |
| RAM Capacity | 8 GB Best value | 4 GB |
| RAM Type | — | LPDDR5X |
| Expandable Storage | Yes | Yes |
| AnTuTu version | — | v11 |
| 3DMark Wild Life Extreme | — | — |
| Maximum memory card | — | — |
Design
| Specification | Galaxy A91 | Galaxy A18 4G |
|---|---|---|
| Body Colors | White, Black | Black, Grey, White, Blue, Light Blue |
| Body Thickness | — | 7.7 mm |
| Body Width | — | 77.9 mm |
| Body Height | — | 164.4 mm |
| Weight | — | 196 g |
| Usable Surface | — | 86 % |
| Body Materials | — | Glass, Plastic |
| Resistance Features | — | IP64 |
| Waterproof Depth | — | — |
| Drop Resistance Class | — | — |
| Repairability Class | — | — |
| Foldable | No | No |
| Rugged Build | No | No |
| Drop Test Count | — | — |
| Unfolded thickness | — | — |
| QWERTY keyboard | — | — |
Battery
| Specification | Galaxy A91 | Galaxy A18 4G |
|---|---|---|
| Battery Efficiency Rating | — | — |
| Battery Capacity | 4,500 mAh | 5,000 mAh Best value |
| Battery Type | Li-Po | Li-Ion |
| Fast Charge Power | 45 W Best value | 25 W |
| Battery Features | Fast Charging | Fast Charging, Non-Removable, Battery Level Indicator, Charger Included, Rechargeable |
| Battery Endurance | — | — |
| Wireless charging power | — | — |
| Charge cycles | — | — |
| Talk time | — | — |
| Standby time | — | — |
| Music playback time | — | — |
| Reverse wireless charging power | — | — |
Display
| Specification | Galaxy A91 | Galaxy A18 4G |
|---|---|---|
| Display Aspect Ratio | 20:9 | 19.5:9 |
| Display Technology | Super AMOLED | Super AMOLED |
| Peak Display Brightness | — | — |
| Display Diagonal | 6.7″ | 6.7″ |
| Display Horizontal Resolution | 1,080 px | 1,080 px |
| Display Vertical Resolution | 2,400 px Best value | 2,340 px |
| Display Pixel Density | 393 ppi Best value | 385 ppi |
| Display Refresh Rate | — | 90 Hz |
| Touch Sampling Rate | — | — |
| Display Contrast Ratio | — | — |
| Display Features | — | Gorilla Glass 3, Water Drop Notch, Always-On Display, Capacitive Touch, Multi-Touch, Scratch Resistant, Frameless |
| Integrated Projector | No | No |
| Projector Brightness | — | — |
| Projector Horizontal Resolution | — | — |
| Projector Vertical Resolution | — | — |
| Cover display diagonal | — | — |
| Cover display refresh rate | — | — |
| Cover display peak brightness | — | — |
| Display colors | — | — |
Sensors
| Specification | Galaxy A91 | Galaxy A18 4G |
|---|---|---|
| Fingerprint Sensor Placement | Under Display | Side |
Sensor
| Specification | Galaxy A91 | Galaxy A18 4G |
|---|---|---|
| Sensor Features | Fingerprint Sensor, Accelerometer, Gyroscope, Proximity Sensor, Compass | Fingerprint Sensor, Accelerometer, Gyroscope, Compass, Light Sensor, Virtual Proximity Sensing |
Software
| Specification | Galaxy A91 | Galaxy A18 4G |
|---|---|---|
| Operating System | Android 10 | Android 17 |
| OS Family | Android | Android |
| OS Version | 10 | 17 Best value |
| OS Update Support | — | 6 years |
| Direct OS Updates | — | Yes |
| Google Services | — | Yes |
| Web browser | — | — |
| Java (J2ME) | — | — |
| Widevine L1 | — | Yes |
Connectivity
| Specification | Galaxy A91 | Galaxy A18 4G |
|---|---|---|
| SIM Configurations | Single Nano-SIM, Dual Nano-SIM | Dual Nano-SIM, Dual Nano-SIM + eSIM, Dual SIM Dual Standby Best value |
| Cellular Bands | 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 | 2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS B1, 3G UMTS B2, 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 B17, 4G LTE B20, 4G LTE B26, 4G LTE B28A, 4G LTE B28B, 4G LTE B38, 4G LTE B40, 4G LTE B41, 4G LTE B66 |
| Cellular Technologies | GSM, HSPA, LTE | GSM, HSPA, LTE |
| Wi-Fi Standards | Wi-Fi 802.11a/b/g/n/ac | Wi-Fi 802.11a/b/g/n/ac |
| Wi-Fi Features | Dual Band, Wi-Fi Direct | Dual Band, Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display, MIMO |
| Bluetooth Version | Bluetooth 5.0 | Bluetooth 5.3 Best value |
| Bluetooth Profiles | A2DP, LE | A2DP, LE |
| Navigation Systems | GPS, GLONASS, Galileo, BeiDou | GPS, A-GPS, GLONASS, BeiDou, Galileo, QZSS Best value |
| Connectivity Features | Samsung DeX, ANT+, USB Type-C | Virtual Proximity Sensing, NFC, USB Type-C, USB 2.0, USB OTG, USB Host 2.0, USB Mass Storage, Computer Sync, OTA Sync, Tethering, VoLTE, USB Charging |
| USB Version | USB Type-C | USB 2.0 |
| SAR American Head | — | — |
| SAR American Body | — | — |
| SAR (EU) head | — | 0.54 W/kg |
| SAR (EU) body | — | 1.37 W/kg |
| Messaging | — | — |
| Max. download speed | — | — |
| Max. upload speed | — | — |
Audio
| Specification | Galaxy A91 | Galaxy A18 4G |
|---|---|---|
| Microphone Count | — | 1 |
| Audio Features | A2DP, LE, Loudspeaker | Stereo Speakers, Dolby Atmos, Hi-Res Audio, A2DP, LE, AVRCP, DIP, HFP, HID, HSP, MAP, PAN, OPP, PBAP/PAB, HOGP Best value |
| Alert types | — | — |
Technical
| Specification | Galaxy A91 | Galaxy A18 4G |
|---|---|---|
| EAN / GTIN | — | — |
| UPC | — | — |
| Launch price | — | — |
| MPN | — | — |
| Launch price (USD) | — | — |
Features
| Specification | Galaxy A91 | Galaxy A18 4G |
|---|---|---|
| Built-in functions | — | — |
