87% SPEC SCORE
$364
The Samsung Galaxy S21 5G comes with Android 11, ensuring enhanced functionality and smooth multitasking. It features a large 6.2-inches sharp FHD+ display, perfect for both work and entertainment. Get smooth, responsive performance for effortless day-to-day usage. With a Good 4000 mAh battery life, you can stay powered throughout the day without frequent charging. Price starting at $364 this device is budget-friendly and it’s offers incredible value, blending performance, style, and affordability.
Samsung Galaxy S21 5G Key Features
Display
6.2 inches (1080x2400 pixels) FHD
120Hz Refresh rate
Camera
12+64+12 MP (Triple Camera)
10 MP Selfie 8K Video
Hardware
Exynos 2100 (5 nm) - International
OS
Android 11
One UI 6
Ram & Storage
8GB + 128GB
8GB + 256GB
Battery
Li-Ion 4000mAh
wired, PD3.0, 25W
Data Updated on: 21 Aug, 2026
Samsung Galaxy S21 5G Pros & Cons
By Amit Dubey | on 21 August 2026
7.1
/ 10
TSI Score
Design
Display
Performance
Battery
Camera
Software
Sound
Usage
Pros
Compact 6.2-inch size is rare for a flagship-class phone.
120Hz display at this price is a clear draw.
Exynos 2100 is still a capable 5nm flagship chipset.
8GB RAM and 128GB storage make sense for the current used/refurbished pricing.
Cons
No storage expansion listed.
4000mAh battery leaves less headroom than larger Galaxy S21 models.
1080p panel, not Samsung’s sharper QHD tier.
International version uses Exynos rather than Snapdragon.
Samsung Galaxy S21 5G Price and Full Specifications
Launch Date
| Announced Date | 14 Jan, 2021 |
| Released Date | 29 Jan, 2021 |
| Status | Available |
Network
| Technology | GSM / CDMA / HSPA / EVDO / LTE / 5G |
| 2G bands | GSM 850 / 900 / 1800 / 1900 / CDMA 800 / 1900 & TD-SCDMA |
| 3G bands | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 / CDMA2000 1xEV-DO |
| 4G bands | LTE |
| 5G bands | 5G |
| Speed | HSPA 42.2 5.76 / LTE (7CA) Cat20 2000 200 / 5G (5+ Gbps DL) |
Display
Similar Display
| Screen Size | 6.2 inches, 94.1 cm² (~87.2% screen-to-body ratio) |
| Display Type | Dynamic AMOLED 2X |
| Resolution | 1080 × 2400 pixels (FHD) |
| Aspect Ratio | 20:9 |
| PPI | 421 ppi |
| Refresh Rate | 120Hz |
| Brightness | 1300 nits (peak) |
| HDR Support | HDR10+ |
| Protection | Corning Gorilla Glass Victus |
Performance
Similar Performance
| Processor (SoC) | Exynos 2100 (5 nm) - International |
| Fabrication process | 5nm |
| CPU | Octa-core: 1x2.9 GHz Cortex-X1 & 3x2.80 GHz Cortex-A78 & 4x2.2 GHz Cortex-A55 - International |
| CPU cores | 8 |
| GPU | Mali G78 MP14 - International |
Benchmarks
| AnTuTu Score | 584055 (v8) |
| GeekBench | 3238 (v5.1) |
| GFXBench | 60fps (ES 3.1 onscreen) |
Storage
| Memory | 8GB + 128GB, 8GB + 256GB |
| Storage type | UFS 3.1 |
| Memory Card Slot | No |
Camera
Similar Camera
REAR CAMERA | |
| Type | Triple camera |
| Primary | 12 MP, f/1.8, 26mm (wide), 1/1.76", 1.8µm, Dual Pixel PDAF, OIS |
| Secondary | 64 MP, f/2.0, 29mm (telephoto), 1/1.72", 0.8µm, PDAF, OIS, 1.1x optical zoom, 3x hybrid zoom |
| Tertiary | 12 MP, f/2.2, 13mm, 120˚ (ultrawide), 1/2.55", 1.4µm, Super Steady video |
| Features | LED flash, auto-HDR, panorama |
| Video Recording | 4K @24fpsfps 4K @30/60fpsfps 1080p @30/60/240fpsfps 720p @960fpsfps HDR10+, stereo sound rec., gyro-EIS |
FRONT CAMERA | |
| Type | Single camera |
| Primary | 10 MP, f/2.2, 26mm (wide), 1.22µm |
| Features | Dual video call, Auto-HDR |
| Video Recording | 4K @30/60fpsfps 1080p @30fpsfps |
Battery
Similar Battery
| Battery Capacity | Li-Ion 4000mAh |
| Battery Removable | No |
| Charging | 25W wired (PD3.0) 15W wireless (Qi/PMA) 4.5W reverse wireless |
Software & OS
| Operating System | Android 11 |
| OS UI | One UI 6 |
| Software Updates | Android 14 |
Design
| Dimensions | 151.7 x 71.2 x 7.9 mm (2.8 x 0.31 in) |
| Weight | 169g (5.96 oz) |
| Color Options | Phantom Gray, Phantom White, Phantom Violet, Phantom Pink |
| Water & Dust Resistance | IP68 dust/water resistant (up to 1.5m for 30 min) |
| Build | Glass front (Gorilla Glass Victus), plastic back, aluminum frame |
| Sim Card Types | Nano-SIM and eSIM or Dual SIM (2 Nano-SIMs and eSIM, dual stand-by) |
Connectivity
| WLAN | Wi-Fi 802.11 a/b/g/n/ac/6, Wi-Fi Direct |
| Bluetooth | 5.0, A2DP, LE |
| Positioning | GPS, GLONASS, BDS, GALILEO |
| NFC | Yes |
| Radio | Yes |
| Infrared-port | No |
| USB Version | USB Type-C 3.2, OTG |
Sound
| Loudspeaker | Yes, with stereo speakers |
| Sound Jack | No 3.5mm jack |
Sensors & Features
| Sensors | Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometer |
Additional Info
| Models | SM-G991B, SM-G991B/DS, SM-G991U, SM-G991U1, SM-G991W, SM-G991N, SM-G9910, SM-G991Q, SCG09 |
| SAR | 0.74 W/kg (head) 1.08 W/kg (body) |
| SAR EU | 0.46 W/kg (head) 1.51 W/kg (body) |
| Pricing | $364 / R$ 1.889.45 / ₹34,999 / £229 / €379.9 / C$503.27 |
What's in the Box
| Samsung Galaxy S21 5G | Handset, USB-C cable, SIM ejector tool, and quick start guide |
Disclaimer: Information here may not be 100% accurate; please verify specs and prices on the retailer's website before buying. This page contains affiliate links. We may earn a commission if you make a purchase through them, at no extra cost to you. Thanks for your support!
Samsung Galaxy S21 5G Comparisons
Samsung Galaxy S21 5G
$364
87% SPEC SCORE
6.2 inches (15.75 cm)
120Hz Display
12+64+12 MP (Triple)
10 MP (Single)
Exynos
2100 (5 nm) - International
Android 11
One UI 6
4000 mAh
25W wired
8 GB RAM
128 GB Storage
Samsung Galaxy S20 Ultra 5G
$328
94% SPEC SCORE
6.9 inches (17.53 cm)
120Hz Display
108+48+12 MP (Triple)
40 MP (Single)
Exynos
990 (7 nm+) - Global
Android 10
One UI 5.1
5000 mAh
45W wired
12 GB RAM
128 GB Storage
Samsung Galaxy S21 Ultra 5G
$989
96% SPEC SCORE
6.8 inches (17.27 cm)
120Hz Display
108+10+10+12 MP (Quad)
40 MP (Single)
Exynos
2100 (5 nm) - International
Android 11
One UI 6
5000 mAh
25W wired
12 GB RAM
128 GB Storage
Samsung Galaxy S22 Ultra 5G
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120Hz Display
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Qualcomm
SM8450 Snapdragon 8 Gen 1 (4 nm) - ROW
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8 GB RAM
128 GB Storage
Samsung Galaxy S20
$179
89% SPEC SCORE
6.2 inches (15.75 cm)
120Hz Display
12+64+12 MP (Triple)
10 MP (Single)
Exynos
990 (7 nm+) - Global
Android 10
One UI 5
4000 mAh
25W wired
8 GB RAM
128 GB Storage
Samsung Galaxy S21+ 5G
$246
91% SPEC SCORE
6.7 inches (17.02 cm)
120Hz Display
12+64+12 MP (Triple)
10 MP (Single)
Exynos
2100 (5 nm) - International
Android 11
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4800 mAh
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8 GB RAM
128 GB Storage
Samsung Galaxy S20 FE 5G
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6.5 inches (16.51 cm)
120Hz Display
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32 MP (Single)
Qualcomm
SM8250 Snapdragon 865 5G (7 nm+)
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128 GB Storage
Samsung Galaxy S21 FE 5G
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Qualcomm
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Samsung Galaxy S22 5G
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120Hz Display
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Qualcomm
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vivo V60 Ultra Pro
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MediaTek
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Android 12
N/A
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8 GB RAM
128 GB Storage
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144Hz Display
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Qualcomm
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Qualcomm
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12 GB RAM
512 GB Storage
Nokia Magic Max 2
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93% SPEC SCORE
6.9 inches (17.53 cm)
120Hz Display
108+32+16 MP (Triple)
64 MP (Single)
Qualcomm
Snapdragon 8 Gen 4
Android 14
N/A
7500 mAh
N/A
8 GB RAM
256 GB Storage
vivo T5 Ultra 5G
$426
91% SPEC SCORE
6.78 inches (17.22 cm)
120Hz Display
50+50+50 MP (Triple)
50 MP (Single)
N/A
N/A
Android 16
Funtouch OS 16
6200 mAh
100W Fast Charging
8 GB RAM
256 GB Storage
Realme 15 Pro Plus
$453
86% SPEC SCORE
6.7 inches (17.02 cm)
144Hz Display
50+50+50+50 MP (Quad)
50 MP (Single)
N/A
N/A
Android 15
Realme UI 6.0
5700 mAh
120W Fast Charging
12 GB RAM
256 GB Storage
HOTWAV Cyber X Pro Rugged Phone
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85% SPEC SCORE
6.78 inches (17.22 cm)
90Hz Display
108+8+0.3 MP (Triple)
16 MP (Single)
MediaTek
Helio G99 (MT6789)
Android 13
N/A
10200 mAh
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12 GB RAM
256 GB Storage
Honor X50 Pro
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92% SPEC SCORE
6.78 inches (17.22 cm)
120Hz Display
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8 MP (Single)
Qualcomm
SM8475 Snapdragon 8+ Gen 1 (4 nm)
Android 14
N/A
5800 mAh
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12 GB RAM
256 GB Storage
Redmi Note 14 Pro Max
$395
88% SPEC SCORE
6.78 inches (17.22 cm)
144Hz Display
200+8+5+2 MP (Quad)
32 MP (Single)
MediaTek
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Android 14
N/A
5200 mAh
Fast Charging
8 GB RAM
128 GB Storage
vivo V31 5G
$431
84% SPEC SCORE
6.7 inches (17.02 cm)
120Hz Display
64+50+50 MP (Triple)
50 MP (Single)
Qualcomm
Snapdragon 8+ Gen1
Android 14
Funtouch OS 15
5000 mAh
100W Fast Charging
8 GB RAM
128 GB Storage
Honor X10b
$347
92% SPEC SCORE
6.78 inches (17.22 cm)
90Hz Display
108+5+2 MP (Triple)
32 MP (Single)
Qualcomm
SM6450 Snapdragon 8 Gen 3 (4 nm)
Android 14
Magic OS 7.2
5800 mAh
65W Wired
8 GB RAM
256 GB Storage
OPPO F28 5G
$427
90% SPEC SCORE
6.9 inches (17.53 cm)
120Hz Display
50+32+8 MP (Triple)
32 MP (Single)
MediaTek
Dimensity 6300
Android 15
N/A
6000 mAh
45W Wired
8 GB RAM
128 GB Storage
HOTWAV Cyber X Rugged Phone
$320
85% SPEC SCORE
6.78 inches (17.22 cm)
90Hz Display
64+8+0.3 MP (Triple)
16 MP (Single)
MediaTek
Helio G99 (MT6789)
Android 13
N/A
10200 mAh
33.0W Fast charge
8 GB RAM
256 GB Storage
Oppo Reno 11A 5G
$311
86% SPEC SCORE
6.7 inches (17.02 cm)
120Hz Display
64+8+2 MP (Triple)
32 MP (Single)
MediaTek
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Android 14
ColorOS 14
5000 mAh
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8 GB RAM
256 GB Storage
vivo V40e
$347
85% SPEC SCORE
6.77 inches (17.20 cm)
120Hz Display
50+8 MP (Dual)
50 MP (Single)
MediaTek
Dimensity 7300
Android 14
Funtouch OS 14
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80W wired
8 GB RAM
128 GB Storage
HMD Hyper
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120Hz Display
50+8+13 MP (Triple)
50 MP (Single)
Qualcomm
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Android 14
N/A
4700 mAh
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8 GB RAM
128 GB Storage
HOTWAV Cyber 7 Rugged Phone
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81% SPEC SCORE
6.3 inches (16.00 cm)
120Hz Display
48+8+2+20 MP (Quad)
32 MP (Single)
MediaTek
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Android 13
N/A
8280 mAh
18.0W
8 GB RAM
128 GB Storage
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Frequently Asked Questions
How fast is the Samsung Galaxy S21 5G?
The Samsung Galaxy S21 5G is powered by the Exynos 2100 chipset on the international model, paired with 8GB of RAM. The Exynos 2100 is a 5 nm processor, which helps balance high-end performance with improved power efficiency. This configuration is suitable for multitasking, streaming, social apps, and demanding Android games.
How much storage does the Samsung Galaxy S21 5G offer?
The Samsung Galaxy S21 5G configuration listed here includes 128GB of internal storage. That capacity is enough for a large collection of apps, photos, videos, and downloaded media for most users. Buyers who record a lot of high-resolution video or keep large offline libraries should consider how much storage they typically use before purchasing.
How good is the battery life on the Samsung Galaxy S21 5G?
The Samsung Galaxy S21 5G has a 4000mAh battery, which is sized for a full day of typical smartphone use. Battery life will vary depending on 5G usage, screen brightness, gaming, navigation, and whether the 120Hz display setting is used heavily. Its 6.2-inch screen and efficient 5 nm Exynos 2100 chipset help keep the phone practical for everyday use.
Is the Samsung Galaxy S21 5G still a good buy for the price?
The Samsung Galaxy S21 5G can be a strong value if you want a compact flagship-style Android phone with 5G, 8GB RAM, and a 120Hz display. The listed prices are EUR 379.9, GBP 229, INR 34999, and USD 364, which position it as a more affordable alternative to newer premium models. It is best suited for buyers who prioritize performance, display smoothness, and Samsung Galaxy features without paying current flagship launch prices.
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