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  3. Galaxy S21 Ultra 5G vs Galaxy S23 Ultra

Samsung Galaxy S21 Ultra 5G vs Samsung Galaxy S23 Ultra

What Galaxy S21 Ultra 5G does better (4) and where Galaxy S23 Ultra wins (12) — every spec side by side.

Samsung Galaxy S21 Ultra 5G
Samsung · 2021Galaxy S21 Ultra 5G
9.0Score
4 advantages≈ $260
vs
Samsung Galaxy S23 Ultra
Samsung · 2023Galaxy S23 Ultra
9.2Score
12 advantages≈ $430
Higher score
9.1Display9.2
6.7Performance7.9
9.8Camera9.8
6.2Battery6.5
9.4Features9.4
Dimensions

Size comparison

Galaxy S21 Ultra 5GGalaxy S23 Ultra
75.6 × 165.18.978.1 × 163.48.9
Galaxy S21 Ultra 5GGalaxy S23 UltraDifference
Height165.1 mm163.4 mm+1.7 mm
Width75.6 mm78.1 mm−2.5 mm
Thickness8.9 mm8.9 mm=
Weight227 g234 g−7 g

Drawn to the same scale from the official dimensions (front and side).

Why is Galaxy S21 Ultra 5G better than Galaxy S23 Ultra?

  1. RAM16 GB vs 12 GB+33%
  2. Selfie camera40 MP vs 12 MP3.3×
  3. Weight227 g vs 234 g+3%
  4. Pixel density515 ppi vs 500 ppi+3%

Why is Galaxy S23 Ultra better than Galaxy S21 Ultra 5G?

  1. AnTuTu score657,150 vs 1,241,531+89%
  2. Main camera108 MP vs 200 MP+85%
  3. Wired charging25 W vs 45 W+80%
  4. Storage (max)512 GB vs 1,024 GB2×
  5. Geekbench 6 (multi-core)3,518 vs 4,927+40%
  6. Measured brightness1,023 nits vs 1,274 nits+25%
  7. Storage (base)128 GB vs 256 GB2×
  8. Peak brightness1,500 nits vs 1,750 nits+17%
  9. CPU frequency2.9 GHz vs 3.36 GHz+16%
  10. Process5 nm vs 4 nm+25%
  11. Charged in 30 min54% vs 65%+20%
  12. Main camera aperturef/1.8 vs f/1.7+6%
Specifications

Side by side

Design
Weight227 g234 g
Thickness8.9 mm8.9 mm
Height165.1 mm163.4 mm
Width75.6 mm78.1 mm
FrameAluminiumAluminium
BackGlassGlass
Ingress protectionIP68IP68
Water resistance (IPx)IPx8IPx8
Glass protectionCorning Gorilla Glass VictusCorning Gorilla Glass Victus 2
ColoursPhantom Black, Phantom Silver, Phantom Titanium, Phantom Navy, Phantom Brown, NavyPhantom Black, Green, Cream, Lavender, Graphite, Sky Blue, Lime, Red, BMW M Edition
StylusYesYes
Display
Screen size6.8″6.8″
PanelDynamic AMOLED 2XDynamic AMOLED 2X
OLED panelYesYes
Resolution (width)1,440 px1,440 px
Resolution (height)3,200 px3,088 px
Pixel density515 ppi500 ppi
Refresh rate120 Hz120 Hz
Peak brightness1,500 nits1,750 nits
Measured brightness1,023 nits1,274 nits
Screen-to-body ratio89.8%89.9%
HDRYesYes
Performance
ChipsetExynos 2100 - InternationalQualcomm SM8550-AC Snapdragon 8 Gen 2
Chip makerQualcommQualcomm
Process5 nm4 nm
CPU cores88
CPU frequency2.9 GHz3.36 GHz
GPUMali-G78 MP14 - International Adreno 660 - USA/ChinaAdreno 740
AnTuTu score657,1501,241,531
Geekbench 6 (multi-core)3,5184,927
3DMark Wild Life Extreme—3,790
Memory
RAM16 GB12 GB
Storage (max)512 GB1,024 GB
Storage (base)128 GB256 GB
Storage typeUFS 3.1UFS 4.0
Memory card slotNoNo
Camera
Main camera108 MP200 MP
Main camera aperturef/1.8f/1.7
Main sensor size1/1.33"1/1.3"
Rear cameras44
Optical stabilisationYesYes
Ultra-wide cameraYesYes
Telephoto cameraYesYes
Optical zoom10×10×
Max video8K8K
4K video frame rate60 fps60 fps
Selfie camera40 MP12 MP
4K selfie videoYesYes
Battery
Battery capacity5,000 mAh5,000 mAh
Battery typeLi-IonLi-Ion
Active use (test)—13.4 h
Wired charging25 W45 W
Charged in 30 min54%65%
Wireless chargingYesYes
Wireless charging power15 W15 W
Reverse wireless chargingYesYes
Connectivity
5GYesYes
eSIMYesYes
Dual SIMYesYes
Wi-Fi standardWi-Fi 6EWi-Fi 6E
Bluetooth5.25.3
NFCYesYes
USBUSB Type-C 3.2USB Type-C 3.2
USB version3.23.2
Video output—Yes
Ultra WidebandYesYes
Satellite navigationGLONASS, GALILEO, BDSGLONASS, GALILEO, BDS, QZSS
Features
Stereo speakersYesYes
3.5 mm headphone jackNoNo
Loudspeaker loudness-25.5 LUFS-25.6 LUFS
Fingerprint sensorUnder display, ultrasonicUnder display, ultrasonic
BarometerYesYes
SensorsFingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometerFingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometer
SAR (head)0.71 W/kg0.96 W/kg
Software
OS at launchAndroid 11Android 13
PlatformAndroidAndroid
InterfaceOne UI 7One UI 9.0
Major OS updates promised44
To compare: 0up to 4 models
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