Cat S31 vs OnePlus 8T: A Clash of Worlds
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🏆 Quick Verdict
The OnePlus 8T is the clear winner for most users, offering superior performance, a stunning display, and fast charging. However, the Cat S31's unmatched ruggedness and water resistance make it ideal for those working in harsh environments or seeking ultimate peace of mind against accidental damage.
| PHONES | ||
|---|---|---|
| Phone Names | Cat S31 | OnePlus 8T |
| Network | ||
|---|---|---|
| 2G bands | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) | GSM 850 / 900 / 1800 / 1900 |
| 3G bands | HSDPA 850 / 900 / 1900 / 2100 - EU | HSDPA 800 / 850 / 900 / 1700(AWS) / 1800 / 1900 / 2100 |
| 4G bands | 1, 2, 3, 5, 7, 8, 20 - EU | 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 34, 38, 39, 40, 41, 42, 66 - EU |
| 5G bands | - | 1, 3, 7, 28, 41, 78 SA/NSA - EU |
| Speed | HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps | HSPA 42.2/5.76 Mbps, LTE (5CA) Cat18 1200/200 Mbps, 5G 7.5 Gbps DL |
| Technology | GSM / HSPA / LTE | GSM / CDMA / HSPA / LTE / 5G |
| 2, 3, 4, 5, 7, 12, 17 - USA | 41, 78, 79 SA/NSA - CN | |
| Launch | ||
|---|---|---|
| Announced | 2017, September. Released 2017, October | 2020, October 14 |
| Status | Discontinued | Available. Released 2020, October 16 |
| Body | ||
|---|---|---|
| Build | - | Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5), aluminum frame |
| Dimensions | 146 x 74.4 x 12.6 mm (5.75 x 2.93 x 0.50 in) | 160.7 x 74.1 x 8.4 mm (6.33 x 2.92 x 0.33 in) |
| SIM | · Nano-SIM· Nano-SIM + Nano-SIM | Nano-SIM + Nano-SIM |
| Weight | 200 g (7.05 oz) | 188 g (6.63 oz) |
| IP68 dust/water resistant (up to 1.2m for 30 min) Drop-to-concrete resistance from up to 1.8m MIL-STD-810G compliant | - | |
| Display | ||
|---|---|---|
| Protection | Corning Gorilla Glass 3 | Corning Gorilla Glass 5 |
| Resolution | 720 x 1280 pixels, 16:9 ratio (~312 ppi density) | 1080 x 2400 pixels, 20:9 ratio (~402 ppi density) |
| Size | 4.7 inches, 60.9 cm2 (~56.1% screen-to-body ratio) | 6.55 inches, 103.6 cm2 (~87.0% screen-to-body ratio) |
| Type | TFT | Fluid AMOLED, 120Hz, HDR10+ |
| - | Always-on display | |
| Platform | ||
|---|---|---|
| CPU | Quad-core 1.3 GHz Cortex-A7 | Octa-core (1x2.84 GHz Cortex-A77 & 3x2.42 GHz Cortex-A77 & 4x1.80 GHz Cortex-A55) |
| Chipset | Qualcomm MSM8909 Snapdragon 210 (28 nm) | Qualcomm SM8250 Snapdragon 865 5G (7 nm+) |
| GPU | Adreno 304 | Adreno 650 |
| OS | Android 7.0 (Nougat) | Android 11, upgradable to Android 14, OxygenOS 14 |
| Memory | ||
|---|---|---|
| Card slot | microSDXC (dedicated slot) | No |
| Internal | 16GB 2GB RAM | 128GB 8GB RAM, 256GB 12GB RAM |
| eMMC 4.5 | UFS 3.1 | |
| Main Camera | ||
|---|---|---|
| Features | LED flash | Dual-LED flash, HDR, panorama |
| Quad | - | 48 MP, f/1.7, 26mm (wide), 1/2.0", 0.8µm, PDAF, OIS 16 MP, f/2.2, 14mm, 123˚ (ultrawide), 1/3.6", 1.0µm 5 MP (macro) 2 MP, f/2.4, (monochrome) |
| Single | 8 MP, AF | - |
| Video | 720p@30fps | 4K@30/60fps, 1080p@30/60/240fps, Auto HDR, gyro-EIS |
| Selfie camera | ||
|---|---|---|
| Features | - | HDR |
| Single | 2 MP | 16 MP, f/2.4, (wide), 1/3.06", 1.0µm |
| Video | - | 1080p@30fps, gyro-EIS |
| Sound | ||
|---|---|---|
| 3.5mm jack | Yes | No |
| 35mm jack | Yes | No |
| Loudspeaker | Yes | Yes, with stereo speakers |
| Comms | ||
|---|---|---|
| Bluetooth | 4.1, A2DP, LE | 5.1, A2DP, LE, aptX HD |
| NFC | No | Yes |
| Positioning | GPS, GLONASS, BDS | GPS (L1+L5), GLONASS (G1), BDS (B1), GALILEO (E1+E5a) |
| Radio | FM radio | No |
| USB | microUSB 2.0, OTG | USB Type-C 3.1, OTG |
| WLAN | Wi-Fi 802.11 b/g/n | Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct, DLNA |
| Features | ||
|---|---|---|
| Sensors | Accelerometer, proximity, compass | Fingerprint (under display, optical), accelerometer, gyro, proximity, compass, barometer (market dependant) |
| Battery | ||
|---|---|---|
| Charging | - | 65W wired, 100% in 39 min |
| Type | Li-Ion 4000 mAh, non-removable | Li-Po 4500 mAh |
| Misc | ||
|---|---|---|
| Colors | Black | Aquamarine Green, Lunar Silver, Cyberpunk 2077 Edition |
| Models | - | KB2001, KB2000, KB2003, KB2005 |
| Price | About 330 EUR | € 130.75 |
| Tests | ||
|---|---|---|
| Battery life | - | Endurance rating 104h |
| Camera | - | Photo / Video |
| Display | - | Contrast ratio: Infinite (nominal) |
| Loudspeaker | - | -24.0 LUFS (Very good) |
| Performance | - | AnTuTu: 586000 (v8) GeekBench: 3126 (v5.1) GFXBench: 46fps (ES 3.1 onscreen) |
| OUR TESTS | ||
|---|---|---|
| Battery (old) | - | Endurance rating 104h |
| Camera | - | Photo / Video |
| Display | - | 802 nits max brightness (measured) |
| Loudspeaker | - | -24.0 LUFS (Very good) |
| Performance | - | AnTuTu: 586000 (v8) GeekBench: 3126 (v5.1) GFXBench: 46fps (ES 3.1 onscreen) |
Cat S31
- Extremely rugged and durable
- Water and dust resistant (IP68)
- Long battery life
- Floats in water
- Low performance
- Basic display
- Poor camera quality
- Outdated software
OnePlus 8T
- Excellent performance
- Stunning 120Hz display
- Fast charging (65W)
- High-quality camera system
- Modern software
- Less durable than Cat S31
- Battery life, while good, isn't exceptional
- No expandable storage
Display Comparison
The OnePlus 8T boasts a vibrant 120Hz Fluid AMOLED display with a peak brightness of 802 nits and an infinite contrast ratio, offering an immersive viewing experience. The Cat S31, on the other hand, has a more basic LCD display, prioritizing visibility in bright sunlight over color accuracy and resolution. It's functional but lacks the visual flair of the 8T.
Camera Comparison
The OnePlus 8T's camera system is a major advantage, offering high-resolution photos and videos with excellent dynamic range and detail. While the Cat S31 has a functional camera, it's noticeably inferior in terms of image quality and features. The 8T's camera is simply in a different league.
Performance
The OnePlus 8T's Snapdragon 865 5G chipset and Octa-core CPU provide significantly faster performance than the Cat S31's Snapdragon 210. Expect smoother multitasking, quicker app loading times, and a much better gaming experience on the 8T. The S31 is adequate for basic tasks but struggles with demanding applications.
Battery Life
Both phones offer impressive battery life, with endurance ratings of 104 hours. However, the OnePlus 8T's 65W fast charging allows it to be fully charged in just 39 minutes, a significant advantage over the Cat S31's slower charging speeds.
Buying Guide
The Cat S31 is perfect for construction workers, outdoor enthusiasts, or anyone needing a phone that can withstand drops, dust, and water. The OnePlus 8T is the go-to choice for gamers, photographers, and anyone who wants a fast, feature-rich smartphone with a beautiful display.