Realme GT3 vs. Samsung Galaxy S23 Ultra: The Ultimate Flagship Battle
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🏆 Quick Verdict
The Samsung Galaxy S23 Ultra offers a more complete package with its exceptional camera system, refined software, and premium build. While the Realme GT3 boasts unmatched charging speed and a powerful chipset, the S23 Ultra's overall versatility and features make it the winner for most users.
| PHONES | ||
|---|---|---|
| Phone Names | Realme GT3 | Samsung Galaxy S23 Ultra |
| Network | ||
|---|---|---|
| 2G bands | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 |
| 3G bands | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 |
| 4G bands | LTE | 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 38, 39, 40, 41, 66 - International |
| 5G bands | SA/NSA | 1, 2, 3, 5, 7, 8, 12, 20, 25, 28, 38, 40, 41, 66, 75, 77, 78 SA/NSA/Sub6 - International |
| Speed | HSPA, LTE, 5G | HSPA, LTE (up to 7CA), 5G |
| Technology | GSM / HSPA / LTE / 5G | GSM / CDMA / HSPA / EVDO / LTE / 5G |
| - | 1, 7, 28, 41, 66, 71, 78, 258, 260, 261 SA/NSA/Sub6/mmWave - USA | |
| Launch | ||
|---|---|---|
| Announced | 2023, February 28 | 2023, February 01 |
| Status | Available. Released 2023, July 08 | Available. Released 2023, February 17 |
| Body | ||
|---|---|---|
| Build | Glass front, plastic frame, glass back | Glass front (Gorilla Glass Victus 2), glass back (Gorilla Glass Victus 2), aluminum frame |
| Dimensions | 163.9 x 75.8 x 8.9 mm (6.45 x 2.98 x 0.35 in) | 163.4 x 78.1 x 8.9 mm (6.43 x 3.07 x 0.35 in) |
| SIM | Nano-SIM + Nano-SIM | · Nano-SIM + eSIM· Nano-SIM + Nano-SIM + eSIM (max 2 at a time) |
| Weight | 199 g (7.02 oz) | 234 g (8.25 oz) |
| Illuminated RGB (on the back) | IP68 dust/water resistant (up to 1.5m for 30 min) Armor aluminum frame with tougher drop and scratch resistance (advertised) Stylus (Bluetooth integration, accelerometer, gyro) | |
| Display | ||
|---|---|---|
| Protection | - | Corning Gorilla Glass Victus 2 |
| Resolution | 1240 x 2772 pixels, 20:9 ratio (~451 ppi density) | 1440 x 3088 pixels, 19.3:9 ratio (~500 ppi density) |
| Size | 6.74 inches, 109.2 cm2 (~87.9% screen-to-body ratio) | 6.8 inches, 114.7 cm2 (~89.9% screen-to-body ratio) |
| Type | AMOLED, 1B colors, 144Hz, HDR10+, 500 nits (typ), 1100 nits (HBM), 1400 nits (peak) | Dynamic AMOLED 2X, 120Hz, HDR10+, 1200 nits (HBM), 1750 nits (peak) |
| - | Always-on display | |
| Platform | ||
|---|---|---|
| CPU | Octa-core (1x3.0 GHz Cortex-X2 & 3x2.5 GHz Cortex-A710 & 4x1.80 GHz Cortex-A510) | Octa-core (1x3.36 GHz Cortex-X3 & 2x2.8 GHz Cortex-A715 & 2x2.8 GHz Cortex-A710 & 3x2.0 GHz Cortex-A510) |
| Chipset | Qualcomm SM8475 Snapdragon 8+ Gen 1 (4 nm) | Qualcomm SM8550-AC Snapdragon 8 Gen 2 (4 nm) |
| GPU | Adreno 730 | Adreno 740 |
| OS | Android 13, upgradable to Android 14, Realme UI 5.0 | Android 13, up to 4 major Android upgrades, One UI 8 |
| Memory | ||
|---|---|---|
| Card slot | No | No |
| Internal | 128GB 8GB RAM, 256GB 12GB RAM, 256GB 16GB RAM, 512GB 16GB RAM, 1TB 16GB RAM | 256GB 8GB RAM, 256GB 12GB RAM, 512GB 12GB RAM, 1TB 12GB RAM |
| UFS 3.1 | UFS 4.0 | |
| Main Camera | ||
|---|---|---|
| Features | Dual-LED dual-tone flash, HDR, panorama | Laser AF, LED flash, auto-HDR, panorama |
| Quad | - | 200 MP, f/1.7, 24mm (wide), 1/1.3", 0.6µm, multi-directional PDAF, OIS 10 MP, f/2.4, 70mm (telephoto), 1/3.52", 1.12µm, PDAF, OIS, 3x optical zoom 10 MP, f/4.9, 230mm (periscope telephoto), 1/3.52", 1.12µm, PDAF, OIS, 10x optical zoom 12 MP, f/2.2, 13mm, 120˚ (ultrawide), 1/2.55", 1.4µm, dual pixel PDAF, Super Steady video |
| Single | 16 MP, f/2.5, 25mm (wide), 1/3.09", 1.0µm | 12 MP, f/2.2, 26mm (wide), Dual Pixel PDAF |
| Triple | 50 MP, f/1.9, 24mm (wide), 1/1.56", 1.0µm, PDAF, OIS 8 MP, f/2.2, 16mm, 112˚ (ultrawide), 1/4.0", 1.12µm 2 MP, f/3.3, 20mm (microscope) | - |
| Video | 4K@30/60fps, 1080p@30/60fps, gyro-EIS | 8K@24/30fps, 4K@30/60fps, 1080p@30/60/120/240fps, HDR10+, stereo sound rec., gyro-EIS |
| Selfie camera | ||
|---|---|---|
| Features | HDR, panorama | HDR, HDR10+ |
| Single | 16 MP, f/2.5, 25mm (wide), 1/3.09", 1.0µm | 12 MP, f/2.2, 26mm (wide), 1/3.2", 1.12µm, dual pixel PDAF |
| Video | 1080p@30fps, gyro-EIS | 4K@30/60fps, 1080p@30fps |
| Sound | ||
|---|---|---|
| 3.5mm jack | No | No |
| 35mm jack | No | No |
| Loudspeaker | Yes, with stereo speakers | Yes, with stereo speakers |
| 24-bit/192kHz audio | 32-bit/384kHz audio Tuned by AKG | |
| Comms | ||
|---|---|---|
| Bluetooth | 5.3, A2DP, LE, aptX HD | 5.3, A2DP, LE |
| Infrared port | Yes | - |
| NFC | Yes (dual side) | Yes |
| Positioning | GPS (L1+L5), GLONASS, BDS, GALILEO, QZSS | GPS, GALILEO, GLONASS, BDS, QZSS |
| Radio | No | No |
| USB | USB Type-C 2.0 | USB Type-C 3.2, OTG |
| WLAN | Wi-Fi 802.11 a/b/g/n/ac, dual-band | Wi-Fi 802.11 a/b/g/n/ac/6e, tri-band, Wi-Fi Direct |
| Features | ||
|---|---|---|
| Sensors | Fingerprint (under display, optical), accelerometer, gyro, proximity, compass | Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometer |
| - | Samsung DeX, Samsung Wireless DeX (desktop experience support) Bixby natural language commands and dictation Samsung Pay (Visa, MasterCard certified) Ultra Wideband (UWB) support | |
| Battery | ||
|---|---|---|
| Charging | 240W wired, PD, 50% in 4 min, 100% in 10 min | 45W wired, PD3.0, 65% in 30 min 15W wireless (Qi) 4.5W reverse wireless |
| Type | 4600 mAh | Li-Ion 5000 mAh |
| Misc | ||
|---|---|---|
| Colors | Pulse White, Booster Black | Phantom Black, Green, Cream, Lavender, Graphite, Sky Blue, Lime, Red, BMW M Edition |
| Models | RMX3709 | SM-S918B, SM-S918B/DS, SM-S918U, SM-S918U1, SM-S918W, SM-S918N, SM-S9180, SM-S918E, SM-S918E/DS |
| Price | About 600 EUR | € 549.90 / $ 454.99 / £ 433.00 |
| SAR | - | 1.12 W/kg (head) 0.92 W/kg (body) |
| SAR EU | - | 0.96 W/kg (head) 1.40 W/kg (body) |
| Tests | ||
|---|---|---|
| Battery life | Endurance rating 117h | Endurance rating 126h |
| Camera | Photo / Video | Photo / Video |
| Display | Contrast ratio: Infinite (nominal) | Contrast ratio: Infinite (nominal) |
| Loudspeaker | -26.9 LUFS (Good) | -25.6 LUFS (Very good) |
| Performance | AnTuTu: 1074427 (v9) GeekBench: 3898 (v5.1), 3980 (v6) GFXBench: 59fps (ES 3.1 onscreen) | AnTuTu: 1241531 (v9) GeekBench: 4927 (v5.1) GFXBench: 67fps (ES 3.1 onscreen) |
Realme GT3
- Unmatched 240W Charging
- Powerful Snapdragon 8+ Gen 1
- High Refresh Rate Display
- Competitive Price
- Camera Performance Lags Behind
- Less Refined Software
- Build Quality Not as Premium
Samsung Galaxy S23 Ultra
- Exceptional Camera System
- Bright and Vibrant Display
- Premium Build Quality
- Feature-Rich Software
- Excellent Performance
- Higher Price
- Slower Charging Compared to GT3
- One UI Can Be Bloated
Display Comparison
The Samsung Galaxy S23 Ultra takes the display crown with a measured peak brightness of 1274 nits, significantly brighter than the Realme GT3's 974 nits. Both offer excellent contrast ratios (nominally infinite), but the S23 Ultra's superior brightness provides better visibility in direct sunlight. Color accuracy and overall visual experience are also slightly better on the S23 Ultra.
Camera Comparison
Samsung's Galaxy S23 Ultra dominates the camera comparison. Its versatile camera system, featuring a 200MP main sensor, offers incredible detail, dynamic range, and low-light performance. The GT3's camera is capable, but it simply can't compete with the S23 Ultra's image quality and feature set. Video recording is also superior on the S23 Ultra.
Performance
Both phones are powered by Snapdragon 8-series chips – the GT3 with the 8+ Gen 1 and the S23 Ultra with the 8 Gen 2. While both offer flagship-level performance, the Snapdragon 8 Gen 2 in the S23 Ultra generally demonstrates better efficiency and sustained performance under heavy load. Gaming performance is excellent on both, but the S23 Ultra's thermal management is slightly better.
Battery Life
The Realme GT3 boasts an impressive endurance rating of 117h, but the S23 Ultra's active use score of 13:24h and endurance rating of 126h demonstrate excellent real-world battery life. While the GT3's 240W charging is a game-changer (0-100% in 10 minutes), the S23 Ultra's 45W charging is still respectable, and its 15W wireless charging adds convenience.
Buying Guide
The Realme GT3 is ideal for power users who prioritize charging speed above all else and enjoy a more streamlined Android experience. The Samsung Galaxy S23 Ultra is perfect for photography enthusiasts, those who want a feature-rich device with a stunning display, and users deeply invested in the Samsung ecosystem.