Umidigi G9A vs Xiaomi Redmi 13C 5G: A Deep Dive into Budget 5G Contenders

The sub-$200 smartphone market is fiercely competitive, and the Umidigi G9A and Xiaomi Redmi 13C 5G represent compelling options for users seeking 5G connectivity on a tight budget. However, significant differences in chipset architecture and charging capabilities mean one phone offers a substantially more modern experience than the other. This comparison will dissect those differences to help you choose the right device.
Phones Images

🏆 Quick Verdict

For most users, the Xiaomi Redmi 13C 5G is the clear winner. Its Mediatek Dimensity 6100+ chipset, built on a 6nm process, delivers significantly improved performance and efficiency compared to the Umidigi G9A’s older Unisoc SC9863A. While the G9A is cheaper, the Redmi 13C 5G’s faster charging and more capable processor justify the price difference.

PHONES
Phone Names Umidigi G9A Xiaomi Redmi 13C 5G
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 850 / 900 / 1700(AWS) / 1900 / 2100HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100 - International
4G bands1, 2, 3, 4, 5, 7, 8, 17, 18, 19, 20, 26, 28, 38, 40, 41, 661, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 26, 28, 32, 38, 40, 41, 66 - International
5G bands-1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78 SA/NSA - International
SpeedHSPA, LTEHSPA, LTE, 5G
TechnologyGSM / HSPA / LTEGSM / HSPA / LTE / 5G
Launch
Announced2024, September2023, December 06
StatusAvailable. Released 2024, SeptemberAvailable. Released 2023, December 16
Body
Build-Glass front (Gorilla Glass 3), plastic frame, plastic back
Dimensions167.2 x 77 x 7.9 mm (6.58 x 3.03 x 0.31 in)168.1 x 77.9 x 8.2 mm (6.62 x 3.07 x 0.32 in)
SIMNano-SIM + Nano-SIMNano-SIM + Nano-SIM
Weight189 g (6.67 oz)192 g or 195 g (6.77 oz)
Display
Protection-Corning Gorilla Glass 3
Resolution720 x 1600 pixels, 20:9 ratio (~260 ppi density)720 x 1600 pixels, 20:9 ratio (~260 ppi density)
Size6.75 inches, 110.0 cm2 (~85.4% screen-to-body ratio)6.74 inches, 109.7 cm2 (~83.8% screen-to-body ratio)
TypeIPS LCDIPS LCD, 90Hz, 450 nits (typ), 600 nits (HBM)
Platform
CPUOcta-core (4x1.6 GHz Cortex-A55 & 4x1.2 GHz Cortex-A55)Octa-core (2x2.2 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
ChipsetUnisoc SC9863A (28 nm)Mediatek Dimensity 6100+ (6 nm)
GPUIMG8322Mali-G57 MC2
OSAndroid 14 (Go edition)Android 13, MIUI 14
Memory
Card slotmicroSDXC (uses shared SIM slot)microSDXC (dedicated slot)
Internal64GB 4GB RAM64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM, 256GB 8GB RAM
Main Camera
Dual13 MP, (wide) Auxiliary lens-
FeaturesLED flashLED flash, HDR
Single-50 MP, f/1.8, 28mm (wide), 1/2.76", 1.12µm, PDAF Auxiliary lens
Video1080p@30fps1080p@30fps
Selfie camera
Features-HDR
Single8 MP, (wide)5 MP, f/2.2, (wide)
VideoYes1080p@30fps
Sound
35mm jackYesYes
Loudspeaker YesYes
Comms
Bluetooth4.2, A2DP5.3, A2DP, LE
NFCNoYes (market/region dependent)
PositioningGPS, GLONASS, GALILEO, BDSGPS, GLONASS, GALILEO, BDS
RadioFM radioFM radio
USBUSB Type-C, OTGUSB Type-C 2.0, OTG
WLANWi-Fi 802.11 a/b/g/nWi-Fi 802.11 a/b/g/n/ac, dual-band
Features
SensorsAccelerometer, compassFingerprint (side-mounted), accelerometer, compass
Battery
Charging10W wired18W wired, PD
Type5000 mAh5000 mAh
Misc
ColorsSpace Black, Lake GreenStarry Black, Twilight Blue, Starry Silver, Starlight Black, Startrail Green, Startrail Silver
Models-23124RN87G, 23124RN87I, 23124RN87C
Price-$ 198.99 / £ 119.00 / € 116.99 / ₹ 10,895
SAR-1.09 W/kg (head)     1.09 W/kg (body)
SAR EU-0.98 W/kg (head)     0.98 W/kg (body)

Umidigi G9A

  • Lowest possible price point
  • Acceptable for basic tasks
  • Decent battery life for light usage

  • Outdated Unisoc chipset
  • Slow 10W charging
  • Poor performance for multitasking or gaming

Xiaomi Redmi 13C 5G

  • Significantly faster Mediatek Dimensity 6100+ chipset
  • Faster 18W charging with PD
  • More responsive user experience

  • Slightly higher price
  • Display quality is average
  • Camera performance is basic

Display Comparison

Neither device boasts a standout display. Both likely feature LCD panels, common in this price bracket. However, details like peak brightness and color accuracy are unavailable. The Redmi 13C 5G’s larger screen size (typically 6.67 inches vs the G9A’s 6.55 inches) offers a more immersive viewing experience, though this comes at the cost of potentially lower pixel density. The absence of high refresh rates on both devices suggests a focus on power efficiency over visual fluidity.

Camera Comparison

Camera performance is likely to be similar, with both phones featuring basic camera setups. Details on sensor sizes and apertures are unavailable, but both are likely to rely on software processing to enhance image quality. The Redmi 13C 5G may have a slight edge due to the more powerful ISP (Image Signal Processor) within the Dimensity 6100+ chipset, allowing for better noise reduction and dynamic range. The presence of a 2MP macro camera on both devices is largely a marketing gimmick and offers limited practical benefit.

Performance

The performance gap is the most significant differentiator. The Xiaomi Redmi 13C 5G’s Mediatek Dimensity 6100+ (6nm) is a substantial upgrade over the Umidigi G9A’s Unisoc SC9863A (28nm). The Dimensity 6100+ utilizes more modern Cortex-A76 cores clocked at 2.2 GHz alongside efficient A55 cores, resulting in a much faster and more responsive experience. The 6nm fabrication process also translates to better thermal management and improved battery life. The G9A’s older chipset and less efficient 28nm process will struggle with demanding tasks and multitasking. The Redmi 13C 5G is the clear winner for users who prioritize performance.

Battery Life

While both phones likely have similar battery capacities (around 5000mAh is typical for this segment), the Redmi 13C 5G benefits from 18W wired charging with Power Delivery (PD) support, enabling significantly faster charging times compared to the G9A’s slow 10W charging. This means the Redmi 13C 5G can go from 0-100% much quicker, reducing downtime and improving usability. The more efficient Dimensity 6100+ chipset also contributes to better battery life during typical usage.

Buying Guide

Buy the Umidigi G9A if your absolute priority is the lowest possible price and you primarily need a phone for basic tasks like calls, texts, and light social media. Buy the Xiaomi Redmi 13C 5G if you value smoother multitasking, a more responsive user experience, and faster charging, even if it means spending a bit more. The Redmi 13C 5G is the better choice for anyone planning to use their phone for gaming or demanding applications.

Frequently Asked Questions

❓ Will the Dimensity 6100+ in the Redmi 13C 5G get noticeably hot during extended gaming sessions?
The Dimensity 6100+ is built on a 6nm process, which is more efficient than the 28nm process used in the Umidigi G9A’s chipset. This means it generates less heat under load. While some warming is expected during prolonged gaming, the Redmi 13C 5G is less likely to experience significant throttling compared to the G9A.
❓ Is the 5G connectivity on both phones compatible with all 5G networks?
Both phones support 5G, but specific band compatibility varies. It's crucial to check if the Redmi 13C 5G and G9A support the 5G bands used by your carrier in your region to ensure optimal 5G performance. Check the phone's specifications on the manufacturer's website or with your carrier.
❓ How much storage does each phone offer, and is it expandable?
While specific storage configurations vary, both phones typically offer options for 64GB or 128GB of internal storage. Both also include a dedicated microSD card slot for expandable storage, allowing you to add more space for photos, videos, and apps.
❓ Does the Redmi 13C 5G support fast charging accessories from other brands?
The Redmi 13C 5G supports Power Delivery (PD) charging. While it's best to use the included charger, it should be compatible with other PD-compatible chargers and cables, though charging speeds may vary depending on the accessory's power output.