Oppo K13 Turbo vs Vivo S21

Quick Comparison

Both Oppo K13 Turbo and Vivo S21 comes with same RAM. In terms of display resolution, Oppo K13 Turbo has better resolution of 2800 x 1280 than Vivo S21 which has resolution of 2800 x 1260. Vivo S21 has more internal memory than Oppo K13 Turbo

Name	Oppo K13 Turbo	Vivo S21
RAM	8 GB	8 GB
Display	6.8 in	6.78 in
Internal Memory	128 GB	256 GB
Battery	7000 mAh	6700 mAh
Camera	50 MP + 2 MP Dual	50 MP + 50 MP Dual
Price	Rs. 33998	Rs. 29990

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Detailed Comparison

Price And Launch

The launch Date of the first phone is July 21, 2025. The cost of Oppo K13 Turbo is Rs. 33998. The launch Date of the second phone is expected to be November 28, 2026 (Expected). The cost of Vivo S21 is Rs. 29990.

Display comparison

Vivo S21 has screen size of 6.78 inches which falls short to Oppo K13 Turbo's 6.8 inch screen. Both the phones have AMOLED Screen Type. Both have same 453 PPI. In terms of screen to body ratio, Vivo's phone has better screen to body ratio of ~ 90.2% than OPPO's phone ~ 89.8%. Both mobiles have same aspect ratio of 20:9.

Memory comparison

Both mobiles come with 8 GB RAM Vivo S21 has more Internal Memory (256 GB) than Oppo K13 Turbo (128 GB).

Camera comparison

They both have the same 50 MP + 2 MP Dual Rear Camera. Vivo S21 will be better choice if you're looking to click lot of selfies as it has better 50 MP Front Camera in comparison to Oppo K13 Turbo's 16 MP Front Camera.

Technical comparison

Both the phones run on Android Operating System Version 15.

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Full Comparison

Name	Oppo K13 Turbo	Vivo S21
General
Country of Origin	India
Model	PLM110	S21
Sim Type	Dual Sim, GSM+GSM	Dual Sim, GSM+GSM
Dual Sim	Yes	Yes
Sim Size	Nano+Nano SIM	Nano+Nano SIM
SAR	1.19 W/kg (Head) 0.75 W/kg (Body)
Device Type	Smartphone	Smartphone
Release Date	July 21, 2025	November 28, 2026 (Expected)
In The Box	Phone x 1, Charger x 1, USB data cable x 1, Quick Guide x 1, SIM Ejector Tool x 1, Protective Case x 1, Fan Cleaning Brush
Design
Dimensions	77.2 x 162.8 x 8.31 mm
Weight	207 g
Bezel less	No	Yes
Colors	Black Warrior, Purple No. 1, Knight White
Display
Type	Color AMOLED Screen (1.07B)	Color AMOLED Screen (1B Colors)
Touch	Yes, 240 Hz Touch Sampling Rate	Yes
Size	6.8 inches, 1280 x 2800 pixels, 120 Hz	6.78 inches, 1260 x 2800 pixels, 120 Hz
Aspect Ratio	20:9	20:9
PPI	~ 453 PPI	~ 453 PPI
Screen to Body Ratio	~ 89.8%	~ 90.2%
Glass Type	AGC DT-Star D+
Brightness	Normal brightness: 600nits (Typical), HBM: 1600nits (Typical)
Features	Vivid mode: 100% DCI-P3, Natural mode: 100% DCI-P3, Cinematic mode: 100% DCI-P3, Colourful mode: 100% DCI-P3	5000 nits (peak)
Notch	Yes, Punch Hole	Yes, Punch Hole
Curved Display	No	Yes
Memory
RAM	8 GB	8 GB
RAM Type	LPDDR5X
Storage	128 GB	256 GB
Storage Type	UFS 3.1
Card Slot	No
Connectivity
GPRS	Yes	Yes
EDGE	Yes	Yes
3G	Yes	Yes
4G	Yes	Yes
5G	Yes	Yes
5G Bands	5G NR: n1/n3/n5/n8/n28B/n38/n40/n41/n48/n77/n78	n1/n3/n5/n8/n28A/n38/n40/n41/n77/n78
VoLTE	Yes, Dual Stand-By	Yes, Dual Stand-By
Wifi	Yes, with wifi-hotspot	Yes, with wifi-hotspot
Wifi Version	Wi-Fi 6 (802.11ax) Supported, Wi-Fi 5 (802.11ac) Supported, 802.11a/b/g/n Supported, Wi-Fi Display Supported, WLAN Tethering Supported, Wi-Fi 5GHz 160MHz Supported, 2 × 2 MIMO Supported	Wi-Fi 7
Bluetooth	Yes, v5.4, SBC, AAC, LDAC, aptX, aptX HD, LHDC 5.0	Yes, v6.0, A2DP, LE, aptX HD
USB	Yes, USB-C v2.0	Yes, USB-C v2.0
USB Features	USB Tethering, USB on-the-go, USB Charging	USB on-the-go
IR Blaster	Yes	Yes
Performance
AnTuTu Score	1,622,459 (Total) (v10) 405,523 (CPU) 660,135 (GPU) 267,279 (Memory) 289,522 (UX)
AnTuTu Storage Score	157,486
Geekbench Score	5,975 (Multi Core) (v6) 1,424 (Single Core) 12,232 (OpenCL) 12,693 (Vulkan)
3DMark Score	3,986 (Wild Life Extreme)
Extra
GPS	Single band: Beidou, GPS, GLONASS, Galileo, QZSS	Yes, with A-GPS, GLONASS, GALILEO, BDS, QZSS
Fingerprint Sensor	Yes, In Display	Yes, In Display
Face Unlock	Yes	Yes
Sensors	Proximity Sensor, Ambient Light Sensor, Color temperature Sensor, E-Compass, Accelerometer, Gyroscope, In Display Optical Fingerprint Sensor, Infrared Remote Control	Accelerometer, Gyro, proximity, Compass
3.5mm Headphone Jack	No	No
NFC		Yes
AI Features	AI Eraser 2.0, AI Unblur, AI Reflection Remover, AI Clarity Enhancer, Game Camera, AI Screen Detectors, Splash Touch, Glove Mode
Water Resistance	Yes, 2 m upto 30 min	Yes
IP Rating	IPX9 and IPX8 and IPX6	IP64
Dust Resistant	Yes	Yes
Extra Features	Bypass Charging, Turbo Breathing Light, Touch Optimization, Ultra-performance Outdoor Mode 2.0, X-axis Linear Motor, In-Built Cooling Fan, Best-in-Class Passive Cooling System, Intelligent Charging Engine 5.0, Charging deceleration, Extended charging protection
Camera
Rear Camera	50 MP ƒ/1.8 (Wide Angle) FOV 76°; 5P lens; AF Supported 2 MP FOV 89°; 3P lens	50 MP ƒ/1.9 (Wide Angle) 50 MP ƒ/2.2 (Ultra Wide)
OIS		Yes
Auto Focus	Yes	Yes
Features	Photo, Video, Portrait, Night, PRO, Panorama, SLO-MO, Dual-view video, TIME-LAPSE, STICKER, HI-RES, DOC SCANNER, Google Lens	HDR
Video Recording	4K, 1080p	4K, 1080p
Flash	Yes, LED	Yes, LED
Front Camera	16 MP ƒ/2.4 (Wide Angle) FOV 85°; 4P lens Punch Hole	50 MP ƒ/2 (Wide Angle) Punch Hole
Front Video Recording	1080p	4K, 1080p
Technical
OS	Android v15	Android v15
Custom UI	ColorOS 15	OriginOS 6
Chipset	Mediatek Dimensity 8450
CPU	3.25 GHz, Octa Core Processor	Octa Core Processor
Core Details	1x3.21 GHz Cortex-X4 & 3x3.0 GHz Cortex-A720 & 2x2.8 GHz Cortex-A720 & 2x2.0 GHz Cortex-A720)
Fabrication Node	4nm
GPU	Mali-G720 MC7
Java	No	No
Browser	Yes	Yes
Multimedia
Email	Yes	Yes
Music	MP3, AMR, APE, OGG, FLAC, WAV, MIDI, WMA	Yes
Video	AVI, 3GP, MP4, WMV, MKV, MOV, ASF, FLV	Yes
FM Radio	No	No
Speaker Type	Stereo
Audio Features	An Immersive Surround Sound Experience
Audio Jack Type	USB Type-C
Document Reader	Yes	Yes
Battery
Type	Non-Removable Battery	Non-Removable Battery
Size	7000 mAh, BLPC37 Lithium Ion Polymer Battery	6700 mAh, SI/C
Fast Charging	Yes, 80W	Yes, 100W Fast Charging
Reverse Charging	Yes	Yes
Bypass Charging	Yes