Samsung Galaxy S23 vs Galaxy S21 5G: The Ultimate Showdown
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🏆 Quick Verdict
The Galaxy S23 is the clear winner, boasting a significantly brighter display, a more powerful Snapdragon 8 Gen 2 chipset, and improved battery life. However, the S21 5G remains a compelling option for budget-conscious buyers seeking a capable and stylish phone.
| PHONES | ||
|---|---|---|
| Phone Names | Samsung Galaxy S23 | Samsung Galaxy S21 5G |
| 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 | 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 38, 39, 40, 41, 66 - International | 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 30, 38, 39, 40, 41, 46, 48, 66, 71 - SM-G991U1 |
| 5G bands | 1, 2, 3, 5, 7, 8, 12, 20, 25, 28, 38, 40, 41, 66, 75, 77, 78 SA/NSA/Sub6 - International | 2, 5, 25, 41, 66, 71, 260, 261 SA/NSA/Sub6/mmWave - SM-G991U1 |
| Speed | HSPA, LTE (up to 7CA), 5G | HSPA 42.2/5.76 Mbps, LTE (7CA) Cat20 2000/200 Mbps, 5G (5+ Gbps DL) |
| Technology | GSM / CDMA / HSPA / EVDO / LTE / 5G | GSM / CDMA / HSPA / EVDO / LTE / 5G |
| 1, 7, 25, 28, 41, 66, 71, 78, 258, 260, 261 SA/NSA/Sub6/mmWave - USA | 1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78 SA/NSA/Sub6 - SM-G991B | |
| Launch | ||
|---|---|---|
| Announced | 2023, February 01 | 2021, January 14 |
| Status | Available. Released 2023, February 17 | Available. Released 2021, January 29 |
| Body | ||
|---|---|---|
| Build | Glass front (Gorilla Glass Victus 2), glass back (Gorilla Glass Victus 2), aluminum frame | Glass front (Gorilla Glass Victus), plastic back, aluminum frame |
| Dimensions | 146.3 x 70.9 x 7.6 mm (5.76 x 2.79 x 0.30 in) | 151.7 x 71.2 x 7.9 mm (5.97 x 2.80 x 0.31 in) |
| SIM | · Nano-SIM + eSIM· Nano-SIM + Nano-SIM + eSIM (max 2 at a time) | · Nano-SIM + eSIM· Nano-SIM + Nano-SIM + eSIM (max 2 at a time) |
| Weight | 168 g (5.93 oz) | 169 g (Sub6), 171 g (mmWave) (5.96 oz) |
| IP68 dust/water resistant (up to 1.5m for 30 min) Armor aluminum frame with tougher drop and scratch resistance (advertised) | IP68 dust/water resistant (up to 1.5m for 30 min) | |
| Display | ||
|---|---|---|
| Protection | Corning Gorilla Glass Victus 2 | Corning Gorilla Glass Victus |
| Resolution | 1080 x 2340 pixels, 19.5:9 ratio (~425 ppi density) | 1080 x 2400 pixels, 20:9 ratio (~421 ppi density) |
| Size | 6.1 inches, 90.1 cm2 (~86.8% screen-to-body ratio) | 6.2 inches, 94.1 cm2 (~87.2% screen-to-body ratio) |
| Type | Dynamic AMOLED 2X, 120Hz, HDR10+, 1200 nits (HBM), 1750 nits (peak) | Dynamic AMOLED 2X, 120Hz, HDR10+, 1300 nits (peak) |
| Always-on display | Always-on display | |
| Platform | ||
|---|---|---|
| CPU | Octa-core (1x3.36 GHz Cortex-X3 & 2x2.8 GHz Cortex-A715 & 2x2.8 GHz Cortex-A710 & 3x2.0 GHz Cortex-A510) | Octa-core (1x2.9 GHz Cortex-X1 & 3x2.80 GHz Cortex-A78 & 4x2.2 GHz Cortex-A55) - InternationalOcta-core (1x2.84 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55) - USA/China |
| Chipset | Qualcomm SM8550-AC Snapdragon 8 Gen 2 (4 nm) | Exynos 2100 (5 nm) - InternationalQualcomm SM8350 Snapdragon 888 5G (5 nm) - USA/China |
| GPU | Adreno 740 | Mali-G78 MP14 - InternationalAdreno 660 - USA/China |
| OS | Android 13, up to 4 major Android upgrades, One UI 8 | Android 11, up to 4 major Android upgrades, One UI 6.1 |
| Memory | ||
|---|---|---|
| Card slot | No | No |
| Internal | 128GB 8GB RAM, 256GB 8GB RAM, 512GB 8GB RAM | 128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM |
| UFS 3.1 - 128GB only UFS 4.0 | UFS 3.1 | |
| Main Camera | ||
|---|---|---|
| Features | LED flash, auto-HDR, panorama | LED flash, auto-HDR, panorama |
| Single | 12 MP, f/2.2, 26mm (wide), Dual Pixel PDAF | - |
| Triple | 50 MP, f/1.8, 24mm (wide), 1/1.56", 1.0µm, dual pixel PDAF, OIS 10 MP, f/2.4, 70mm (telephoto), 1/3.94", 1.0µm, PDAF, OIS, 3x optical zoom 12 MP, f/2.2, 13mm, 120˚ (ultrawide), 1/2.55" 1.4µm, Super Steady video | 12 MP, f/1.8, 26mm (wide), 1/1.76", 1.8µm, dual pixel PDAF, OIS 64 MP, f/2.0, 29mm (telephoto), 1/1.72", 0.8µm, PDAF, OIS, 1.1x optical zoom, 3x hybrid zoom 12 MP, f/2.2, 13mm, 120˚ (ultrawide), 1/2.55" 1.4µm, Super Steady video |
| Video | 8K@24/30fps, 4K@30/60fps, 1080p@30/60/120/240fps, HDR10+, stereo sound rec., gyro-EIS | 8K@24fps, 4K@30/60fps, 1080p@30/60/120/240fps, HDR10+, stereo sound rec., gyro-EIS |
| Selfie camera | ||
|---|---|---|
| Features | HDR, HDR10+ | HDR |
| Single | 12 MP, f/2.2, 26mm (wide), 1/3.2", 1.12µm, dual pixel PDAF | 10 MP, f/2.2, 26mm (wide), 1/3.24", 1.22µm, dual pixel PDAF |
| Video | 4K@30/60fps, 1080p@30fps | 4K@30/60fps, 1080p@30fps |
| Sound | ||
|---|---|---|
| 3.5mm jack | No | No |
| 35mm jack | No | No |
| Loudspeaker | Yes, with stereo speakers | Yes, with stereo speakers |
| 32-bit/384kHz audio Tuned by AKG | 32-bit/384kHz audio Tuned by AKG | |
| Comms | ||
|---|---|---|
| Bluetooth | 5.3, A2DP, LE | 5.0, A2DP, LE |
| NFC | Yes | Yes |
| Positioning | GPS, GLONASS, BDS, GALILEO | GPS, GLONASS, BDS, GALILEO |
| Radio | No | FM radio (Snapdragon model only; market/operator dependent) |
| USB | USB Type-C 3.2, OTG | USB Type-C 3.2, OTG |
| WLAN | Wi-Fi 802.11 a/b/g/n/ac/6e, tri-band, Wi-Fi Direct | Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct |
| Features | ||
|---|---|---|
| Sensors | Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometer | 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) | Samsung DeX, Samsung Wireless DeX (desktop experience support) Bixby natural language commands and dictation Samsung Pay (Visa, MasterCard certified) | |
| Battery | ||
|---|---|---|
| Charging | 25W wired, PD3.0, 50% in 30 min 15W wireless (Qi) 4.5W reverse wireless | 25W wired, PD3.0 15W wireless (Qi) 4.5W reverse wireless |
| Type | Li-Ion 3900 mAh | Li-Ion 4000 mAh |
| Misc | ||
|---|---|---|
| Colors | Phantom Black, Cream, Green, Lavender, Graphite, Lime | Phantom Gray, Phantom White, Phantom Violet, Phantom Pink |
| Models | SM-S911B, SM-S911B/DS, SM-S911U, SM-S911U1, SM-S911W, SM-S911N, SM-S9110, SM-S911E, SM-S911E/DS | SM-G991B, SM-G991B/DS, SM-G991U, SM-G991U1, SM-G991W, SM-G991N, SM-G9910, SM-G991Q, SCG09 |
| Price | $ 237.95 / C$ 336.75 / £ 255.00 / € 322.41 / ₹ 49,990 | € 194.00 / $ 153.58 / £ 149.99 |
| SAR | 0.95 W/kg (head) 0.88 W/kg (body) | 0.74 W/kg (head) 1.08 W/kg (body) |
| SAR EU | 0.96 W/kg (head) 1.30 W/kg (body) | 0.46 W/kg (head) 1.51 W/kg (body) |
| Pricing | ||
|---|---|---|
| 128GB 8GB RAM | - | $ 249.00 |
| 256GB 8GB RAM | - | $ 289.99 |
| RENEWED | - | $ 317.00 |
| Tests | ||
|---|---|---|
| Battery life | Endurance rating 101h | Endurance rating 93h |
| Camera | Photo / Video | Photo / Video |
| Display | Contrast ratio: Infinite (nominal) | Contrast ratio: Infinite (nominal) |
| Loudspeaker | -27.0 LUFS (Good) | -26.4 LUFS (Good) |
| Performance | AnTuTu: 1231075 (v9) GeekBench: 4950 (v5.1) GFXBench: 110fps (ES 3.1 onscreen) | AnTuTu: 584055 (v8) GeekBench: 3238 (v5.1) GFXBench: 60fps (ES 3.1 onscreen) |
Samsung Galaxy S23
- Significantly faster performance
- Brighter and more vibrant display
- Improved battery life
- Enhanced camera capabilities
- More modern design
- Higher price point
- Potentially larger size/weight
Samsung Galaxy S21 5G
- More affordable
- Still a capable performer
- Stylish design
- Compact size (potentially)
- Older chipset
- Less bright display
- Shorter battery life
- Outdated software support compared to S23
Display Comparison
The S23's display shines with a measured peak brightness of 1198 nits, significantly outperforming the S21 5G's 856 nits. Both offer excellent contrast ratios (Infinite nominal), but the S23's superior brightness makes it more visible in direct sunlight and provides a more vibrant viewing experience. The S23 also likely has slightly improved color accuracy.
Camera Comparison
While both phones offer excellent camera systems, the S23 likely has improvements in image processing and low-light performance due to the newer chipset and potentially updated sensors. The S23's video recording capabilities are also likely enhanced. Both offer versatile camera setups with multiple lenses.
Performance
The S23's Snapdragon 8 Gen 2 chipset is a substantial upgrade over the S21 5G's Exynos 2100 (International) or Snapdragon 888 5G (USA/China). The Gen 2 offers significantly faster processing speeds, improved graphics performance, and better power efficiency. Expect smoother multitasking, faster app loading times, and a more responsive overall experience on the S23.
Battery Life
The S23 demonstrates superior battery endurance, with an active use score of 11:27h and an endurance rating of 101h, compared to the S21 5G's 93h endurance rating. This translates to longer battery life on a single charge for the S23, a crucial factor for many users.
Buying Guide
The Samsung Galaxy S23 is ideal for users who prioritize performance, camera quality, and future-proofing. It's perfect for gamers, content creators, and anyone wanting the latest technology. The Galaxy S21 5G is a great choice for those on a tighter budget who still want a premium Samsung experience with a solid camera and reliable performance for everyday tasks.