Umidigi G100A vs Google Pixel 7a: A Detailed Comparison
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🏆 Quick Verdict
For the average user prioritizing camera quality and a smooth software experience, the Google Pixel 7a is the clear winner. However, the Umidigi G100A offers a compelling value proposition for those on a tight budget who prioritize basic functionality and don't need flagship-level performance.
| PHONES | ||
|---|---|---|
| Phone Names | Umidigi G100A | Google Pixel 7a |
| Network | ||
|---|---|---|
| 2G bands | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 |
| 3G bands | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 | HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100 |
| 4G bands | 1, 2, 3, 4, 5, 7, 8, 17, 18, 19, 20, 26, 28, 38, 40, 41, 66 | 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 20, 25, 26, 28, 29, 30, 38, 40, 41, 48, 66, 71 - GWKK3, G0DZQ |
| 5G bands | - | 1, 2, 3, 5, 7, 8, 12, 14, 20, 25, 28, 30, 38, 41, 48, 66, 71, 77, 78 SA/NSA/Sub6 - GWKK3 |
| Speed | HSPA, LTE | HSPA, LTE, 5G |
| Technology | GSM / HSPA / LTE | GSM / HSPA / LTE / 5G |
| - | 1, 2, 3, 5, 7, 8, 12, 20, 25, 28, 38, 40, 41, 66, 75, 76, 77, 78, 79 SA/NSA/Sub6 - GHL1X, G82U8 | |
| Launch | ||
|---|---|---|
| Announced | 2022, December | 2023, May 10 |
| Status | Available. Released 2024, December 27 | Available. Released 2023, May 10 |
| Body | ||
|---|---|---|
| Build | Glass front, plastic back, plastic frame | Glass front (Gorilla Glass 3), aluminum frame, plastic back |
| Dimensions | 171 x 77.6 x 8.1 mm (6.73 x 3.06 x 0.32 in) | 152 x 72.9 x 9 mm (5.98 x 2.87 x 0.35 in) |
| SIM | Nano-SIM + Nano-SIM | Nano-SIM + eSIM |
| Weight | 205 g (7.23 oz) | 193.5 g (6.84 oz) |
| - | IP67 dust/water resistant (up to 1m for 30 min) | |
| Display | ||
|---|---|---|
| Protection | - | Corning Gorilla Glass 3 |
| Resolution | 720 x 1640 pixels (~260 ppi density) | 1080 x 2400 pixels, 20:9 ratio (~429 ppi density) |
| Size | 6.9 inches, 113.1 cm2 (~85.2% screen-to-body ratio) | 6.1 inches, 90.7 cm2 (~81.8% screen-to-body ratio) |
| Type | IPS LCD, 120Hz | OLED, HDR, 90Hz |
| - | Always-on display | |
| Platform | ||
|---|---|---|
| CPU | Octa-core (2x1.8 GHz Cortex-A75 & 6x1.6 GHz Cortex-A55) | Octa-core (2x2.85 GHz Cortex-X1 & 2x2.35 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55) |
| Chipset | Unisoc T615 (12 nm) | Google Tensor G2 (5 nm) |
| GPU | Mali-G57 MP1 | Mali-G710 MP7 |
| OS | Android 14 | Android 13, upgradable to Android 15, up to 5 major Android upgrades |
| Memory | ||
|---|---|---|
| Card slot | microSDXC (uses shared SIM slot) | No |
| Internal | 128GB 4GB RAM, 256GB 4GB RAM | 128GB 8GB RAM |
| - | UFS 3.1 | |
| Main Camera | ||
|---|---|---|
| Dual | 13 MP, (wide) Auxiliary lens | 64 MP, f/1.9, 26mm (wide), 1/1.73", 0.8µm, dual pixel PDAF, OIS 13 MP, f/2.2, 120˚ (ultrawide), 1.12µm |
| Features | LED flash | Dual-LED flash, Pixel Shift, Auto-HDR, panorama |
| Video | 1080p@30fps | 4K@30/60fps, 1080p@30/60/120/240fps, OIS |
| Selfie camera | ||
|---|---|---|
| Features | - | HDR, panorama |
| Single | 8 MP, (wide) | 13 MP, f/2.2, 20mm (ultrawide), 1.12µm |
| Video | Yes | 4K@30fps, 1080p@30fps |
| Sound | ||
|---|---|---|
| 3.5mm jack | - | No |
| 35mm jack | Yes | No |
| Loudspeaker | Yes | Yes, with stereo speakers |
| Comms | ||
|---|---|---|
| Bluetooth | 5.2, A2DP, LE | 5.3, A2DP, LE |
| NFC | No | Yes |
| Positioning | GPS, GLONASS, GALILEO, BDS | GPS, GLONASS, GALILEO, BDS, QZSS, NavIC |
| Radio | FM radio | No |
| USB | USB Type-C, OTG | USB Type-C 3.2 |
| WLAN | Wi-Fi 802.11 a/b/g/n/ac, dual-band | Wi-Fi 802.11 a/b/g/n/ac/6e, tri-band |
| Features | ||
|---|---|---|
| Sensors | Fingerprint (side-mounted), accelerometer, compass | Fingerprint (under display, optical), accelerometer, gyro, proximity, compass, barometer |
| Battery | ||
|---|---|---|
| Charging | 20W wired | 18W wired, PD3.0 7.5W wireless |
| Type | 6000 mAh | Li-Po 4385 mAh |
| Misc | ||
|---|---|---|
| Colors | Rock Black, Interstellar Blue, Lake Green, Starry White | Charcoal, Snow, Sea, Coral |
| Models | - | GWKK3, GHL1X, G0DZQ, G82U8 |
| Price | About 130 EUR | € 179.90 / $ 150.00 / £ 170.00 / ₹ 25,980 |
Umidigi G100A
- Significantly lower price point
- Faster wired charging (20W vs 18W)
- Potentially longer battery life due to less demanding chipset
- Much slower processor and graphics performance
- Inferior camera quality
- Likely limited software updates and support
Google Pixel 7a
- Superior performance with Google Tensor G2
- Excellent camera quality and image processing
- Guaranteed software updates and long-term support
- Higher price tag
- Slower wired charging (18W)
- Potentially shorter battery life under heavy load
Display Comparison
The Pixel 7a boasts a significantly brighter display, reaching a measured 1070 nits, compared to an assumed lower brightness on the Umidigi G100A (typical of its price bracket). This translates to better visibility outdoors. While the G100A’s panel specifications are unknown, the Pixel 7a’s OLED panel likely offers superior contrast and color accuracy. The Pixel 7a’s 90Hz refresh rate (not specified for the G100A) also contributes to a smoother scrolling experience, though this comes at a cost to battery life.
Camera Comparison
The Pixel 7a’s camera system is a major differentiator. While specific sensor details are not provided, Google’s computational photography prowess, combined with the Tensor G2’s image signal processor (ISP), delivers exceptional image quality, particularly in challenging lighting conditions. The Pixel 7a excels in both photo and video capture. The Umidigi G100A’s camera specifications are not detailed enough to make a direct comparison, but given its price point, it likely features a simpler camera setup with less advanced image processing. The absence of OIS on the G100A would further disadvantage it in low-light scenarios.
Performance
The performance gap between these devices is substantial. The Google Pixel 7a’s Tensor G2, built on a 5nm process, features a prime Cortex-X1 core clocked at 2.85 GHz, alongside Cortex-A78 performance cores. This architecture delivers significantly faster processing speeds and improved AI capabilities compared to the Umidigi G100A’s Unisoc T615 (12nm). The T615, with its Cortex-A75 and A55 cores, is geared towards efficiency rather than raw power. While adequate for everyday tasks, it will struggle with demanding games or heavy multitasking. The Pixel 7a’s LPDDR5X RAM (speculation based on Pixel 7 series) further enhances performance, while the G100A likely uses slower LPDDR4X.
Battery Life
The Pixel 7a had an endurance rating of 76 hours in older tests, suggesting good battery life despite its 18W charging. The Umidigi G100A offers 20W wired charging, potentially providing slightly faster charging speeds, but this is offset by a likely smaller battery capacity (not specified). The Pixel 7a also supports 7.5W wireless charging, a convenience feature absent on the G100A. The Tensor G2’s 5nm efficiency also contributes to better battery management during sustained use.
Buying Guide
Buy the Umidigi G100A if you need a functional smartphone for essential tasks like calling, texting, and light social media use, and your budget is under $200. Buy the Google Pixel 7a if you prioritize a superior camera experience, faster performance for demanding apps, and guaranteed software updates, and are willing to spend around $400-$500.