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Our Verdict
Analysis
Samsung Galaxy S21 Ultra 5G has the bigger display.
Overall Winner
Samsung Galaxy S21 Ultra 5G
Display Winner
Samsung Galaxy S21 Ultra 5G
Performance Winner
Tie
Camera Winner
Tie
Battery Winner
Tie
Value Winner
Tie
Specifications Comparison
| Feature | Samsung Galaxy S21 Ultra 5G | Google Pixel 9 Pro |
|---|---|---|
| Display size (in) | 6.80 | 6.30 |
| Charging (W) | 25 | 27 |
| Main camera (MP) | 108.00 | 50.00 |
| Selfie (MP) | 40.00 | 42.00 |
| Weight (g) | 227 | 199 |
| Thickness (mm) | 8.90 | 8.50 |
| Chipset | Exynos 2100 (5 nm) - InternationalQualcomm SM8350 Snapdragon 888 5G (5 nm) - USA/China | Google Tensor G4 |
| OS | Android 11, up to 4 major Android upgrades, One UI 7 | Android 14 |
Pros & Cons
Samsung Galaxy S21 Ultra 5G
Google Pixel 9 Pro
- Best-in-class image processing
- Clean software
- Long updates
- Battery life trails rivals
- Slow charging
- Tensor still trails Snapdragon in raw perf
Every Spec, Side by Side
Specification
Samsung
Samsung Galaxy S21 Ultra 5G
Google
Google Pixel 9 Pro
Battery 3 specs
Type
Li-Ion 5000 mAh
Li-Ion 4700 mAh
Charging
25W wired, PD3.0
15W wireless (Qi)
4.5W reverse wireless
27W wired, 21W wireless
Capacity
—
4700 mAh
Body 5 specs
Dimensions
165.1 x 75.6 x 8.9 mm (6.5 x 2.98 x 0.35 in)
152.8 x 72 x 8.5 mm
Weight
227 g (Sub6), 229 g (mmWave) (8.01 oz)
199 g
Build
Glass front (Gorilla Glass Victus), glass back (Gorilla Glass Victus), aluminum frame
Glass front (Gorilla Glass Victus 2), glass back (Gorilla Glass Victus 2), aluminum frame
SIM
· Nano-SIM + eSIM· Nano-SIM + Nano-SIM + eSIM (max 2 at a time)
Nano-SIM + eSIM
IP68 dust tight and water resistant (immersible up to 1.5m for 30 min)
Stylus support
IP68 dust tight and water resistant (immersible up to 1.5m for 30 min)
Connectivity 7 specs
WLAN
Wi-Fi 802.11 a/b/g/n/ac/6e, dual-band, Wi-Fi Direct
Wi-Fi 802.11 a/b/g/n/ac/6e/7, tri-band
Bluetooth
5.2, A2DP, LE
5.3, A2DP, LE, aptX HD
Positioning
GPS, GLONASS, BDS, GALILEO
GPS (L1+L5), GLONASS, GALILEO, BDS, QZSS, NavIC
NFC
Yes
Yes
Radio
FM radio (Snapdragon model only; market/operator dependent)
No
USB
USB Type-C 3.2, OTG
USB Type-C 3.2
5G
—
Yes
Display 4 specs
Type
Dynamic AMOLED 2X, 120Hz, HDR10+, 1500 nits (peak)
LTPO OLED
Size
6.8 inches, 112.1 cm2 (~89.8% screen-to-body ratio)
6.3 inches
Resolution
1440 x 3200 pixels, 20:9 ratio (~515 ppi density)
1280 x 2856 pixels
Protection
Corning Gorilla Glass Victus
Corning Gorilla Glass Victus 2, Mohs level 4
Features 2 specs
Sensors
Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometer
Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometer, thermometer (skin temperature)
Samsung DeX, Samsung Wireless DeX (desktop experience support)
Ultra Wideband (UWB) support
Ultra Wideband (UWB) support
Satellite SOS service
Launch 2 specs
Announced
2021, January 14
2024, August 13
Status
Available. Released 2021, January 29
Available. Released 2024, September 09
Main Camera 4 specs
Quad
108 MP, f/1.8, 24mm (wide), 1/1.33", 0.8µm, PDAF, OIS
10 MP, f/2.4, 72mm (telephoto), 1/3.24", 1.22µm, dual pixel PDAF, OIS, 3x optical zoom
10 MP, f/4.9, 240mm (periscope telephoto), 1/3.24", 1.22µm, dual pixel PDAF, OIS, 10x optical zoom
12 MP, f/2.2, 13mm (ultrawide), 1/2.55", 1.4µm, dual pixel PDAF, Super Steady video
—
Features
Laser AF, LED flash, auto-HDR, panorama
Multi-zone Laser AF, LED flash, Pixel Shift, Ultra-HDR, panorama, Best Take, Zoom Enhance
Video
8K@24fps, 4K@30/60fps, 1080p@30/60/120/240fps, HDR10+, stereo sound rec., gyro-EIS
8K@30fps (via cloud-based upscaling), 4K@24/30/60fps, 1080p@24/30/60/120/240fps; gyro-EIS, OIS, 10-bit HDR
Triple
—
50 MP + 48 MP + 48 MP
Memory 5 specs
Card slot
No
No
Internal
128GB 8GB RAM, 128GB 12GB RAM, 256GB 12GB RAM, 256GB 16GB RAM, 512GB 12GB RAM, 512GB 16GB RAM
128GB 16GB RAM, 256GB 16GB RAM, 512GB 16GB RAM, 1TB 16GB RAM
UFS 3.1
UFS 3.1
RAM
—
16GB
Storage
—
256GB
Misc 5 specs
Colors
Phantom Black, Phantom Silver, Phantom Titanium, Phantom Navy, Phantom Brown, Navy
Porcelain, Rose Quartz, Hazel, Obsidian
Models
SM-G998B, SM-G998B/DS, SM-G998U, SM-G998U1, SM-G998W, SM-G998N, SM-G9980
GR83Y, GEC77, GWVK6
SAR
0.77 W/kg (head) 1.02 W/kg (body)
—
SAR EU
0.71 W/kg (head) 1.58 W/kg (body)
0.99 W/kg (head) 1.37 W/kg (body)
Price
$ 254.95 / £ 214.99 / € 247.17
$ 399.94 / C$ 667.99 / £ 391.97 / € 654.44 / ₹ 109,999
Network 7 specs
Technology
GSM / CDMA / HSPA / EVDO / LTE / 5G
GSM / HSPA / LTE / 5G
2G bands
GSM 850 / 900 / 1800 / 1900
GSM 850 / 900 / 1800 / 1900
1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78 SA/NSA/Sub6 - SM-G998B
1, 2, 3, 5, 7, 8, 12, 14, 20, 25, 26, 28, 30, 38, 40, 41, 66, 71, 75, 76, 77, 78, 79 SA/NSA/Sub6 - GEC77
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, 12, 13, 14, 18, 19, 20, 25, 26, 28, 30, 38, 39, 40, 41, 46, 48, 66, 71 - SM-G998U1
1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 19, 20, 25, 26, 28, 29, 30, 38, 40, 41, 48, 66, 71 - GR83Y
5G bands
2, 5, 25, 41, 66, 71, 260, 261 SA/NSA/Sub6/mmWave - SM-G998U1
1, 2, 3, 5, 7, 8, 12, 14, 20, 25, 26, 28, 29, 30, 38, 40, 41, 48, 66, 70, 71, 77, 78, 258, 260, 261 SA/NSA/Sub6/mmWave - GR83Y
Speed
HSPA 42.2/5.76 Mbps, LTE (7CA) Cat20 2000/200 Mbps, 5G (5+ Gbps DL)
HSPA, LTE, 5G
Our Tests 6 specs
Performance
AnTuTu: 657150 (v8)
GeekBench: 3518 (v5.1)
GFXBench: 33fps (ES 3.1 onscreen)
AnTuTu: 838931 (v9), 1088917
(v10)
GeekBench: 3850 (v5), 4728 (v6)
3DMark: 2574 (Wild Life Extreme)
Display
1023 nits max brightness (measured)
2331 nits max brightness (measured)
Camera
Photo / Video
—
Loudspeaker
-25.5 LUFS (Very good)
-24.3 LUFS (Very good)
Battery (old)
Endurance rating 114h
—
Battery
—
Active use score 13:11h
Platform 4 specs
OS
Android 11, up to 4 major Android upgrades, One UI 7
Android 14
Chipset
Exynos 2100 (5 nm) - InternationalQualcomm SM8350 Snapdragon 888 5G (5 nm) - USA/China
Google Tensor G4
CPU
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
Octa-core (1x3.1 GHz Cortex-X4 & 3x2.6 GHz Cortex-A720 & 4x1.92 GHz Cortex-A520)
GPU
Mali-G78 MP14 - InternationalAdreno 660 - USA/China
Mali-G715 MC7
Selfie Camera 3 specs
Single
40 MP, f/2.2, 26mm (wide), 1/2.8", 0.7µm, PDAF
42 MP
Features
HDR
HDR, panorama
Video
4K@30/60fps, 1080p@30fps
4K@30/60fps, 1080p@30/60fps
Sound 3 specs
Loudspeaker
Yes, with stereo speakers
Yes, with stereo speakers
3.5mm jack
No
No
High-bitrate audio support
—
Eu Label 4 specs
Energy
—
Class A
Battery
—
50:44h endurance, 1000 cycles
Free fall
—
Class A (270 falls)
Repairability
—
Class C
Similar Comparisons
Common Questions
Which phone is the best in this comparison?
Samsung Galaxy S21 Ultra 5G has the bigger display.
How are the comparison winners decided?
We compare measurable specs (display size, battery capacity, RAM, charging, weight) and price (USD). When two phones tie or data is missing we mark the category "Depends".
Which is more affordable?
The cheaper option is shown as the value winner above. Prices are USD and may vary by region or retailer.