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iPhone 13 Pro Max vs C21

Apple iPhone 13 Pro Max vs Realme C21

What iPhone 13 Pro Max does better (28) and where C21 wins (6) — every spec side by side.

Apple · 2021iPhone 13 Pro Max

8.3Score

28 advantages≈ $420

Higher score

Realme · 2021C21

4.1Score

6 advantages≈ $440

8.3Display2.4

8.6Camera2.7

3.9Battery3.5

9.4Features2.4

Dimensions

Size comparison

iPhone 13 Pro MaxC21

	iPhone 13 Pro Max	C21	Difference
Height	160.8 mm	165.2 mm	−4.4 mm
Width	78.1 mm	76.4 mm	+1.7 mm
Thickness	7.7 mm	8.9 mm	−1.2 mm
Weight	240 g	190 g	+50 g

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

Why is iPhone 13 Pro Max better than C21?

Refresh rate120 Hz vs 60 Hz2×
Wired charging20 W vs 10 W2×
Peak brightness1,200 nits vs 400 nits3×
Storage (max)1,024 GB vs 64 GB16×
RAM6 GB vs 4 GB+50%
OLED panelYes · C21: No
Optical stabilisationYes · C21: No
Telephoto cameraYes · C21: No
Wireless chargingYes · C21: No
5GYes · C21: No
NFCYes · C21: No
Stereo speakersYes · C21: No

Why is C21 better than iPhone 13 Pro Max?

Battery capacity4,352 mAh vs 5,000 mAh+15%
Main camera12 MP vs 13 MP+8%
Weight240 g vs 190 g+26%
Memory card slotNo · iPhone 13 Pro Max: Yes
3.5 mm headphone jackNo · iPhone 13 Pro Max: Yes
CPU cores6 vs 8+33%

Specifications

Side by side

Only differences	Apple iPhone 13 Pro Max≈ $4208.3	Realme C21≈ $4404.1
Design
Weight	240 g	190 g
Thickness	7.7 mm	8.9 mm
Height	160.8 mm	165.2 mm
Width	78.1 mm	76.4 mm
Frame	Stainless steel	Plastic
Back	Glass	Plastic
Ingress protection	IP68	—
Water resistance (IPx)	IPx8	—
Glass protection	Ceramic Shield glass	Corning Gorilla Glass 3
Colours	Graphite, Gold, Silver, Sierra Blue, Alpine Green	Cross Black, Cross Blue
Display
Screen size	6.7″	6.5″
Panel	Super Retina XDR OLED	IPS LCD
OLED panel	Yes	No
Resolution (width)	1,284 px	720 px
Resolution (height)	2,778 px	1,600 px
Pixel density	458 ppi	270 ppi
Refresh rate	120 Hz	60 Hz
Peak brightness	1,200 nits	400 nits
Measured brightness	1,050 nits	—
Screen-to-body ratio	87.4%	80.8%
HDR	Yes	—
Performance
Chipset	Apple A15 Bionic	Mediatek MT6765G Helio G35
Chip maker	Apple	MediaTek
Process	5 nm	12 nm
CPU cores	6	8
CPU frequency	3.23 GHz	2.3 GHz
GPU	Apple GPU	PowerVR GE8320
AnTuTu score	801,691	—
Geekbench 6 (multi-core)	4,706	—
3DMark Wild Life Extreme	2,960	—
Memory
RAM	6 GB	4 GB
Storage (max)	1,024 GB	64 GB
Storage (base)	128 GB	32 GB
Storage type	NVMe	eMMC 5.1
Memory card slot	No	Yes
Camera
Main camera	12 MP	13 MP
Main camera aperture	f/1.5	f/2.2
Main sensor size	1/1.7"	1/3.06"
Rear cameras	3	1
Optical stabilisation	Yes	No
Ultra-wide camera	Yes	No
Telephoto camera	Yes	No
Optical zoom	3×	—
Max video	4K	1080p
4K video frame rate	60 fps	—
Selfie camera	12 MP	5 MP
4K selfie video	Yes	No
Battery
Battery capacity	4,352 mAh	5,000 mAh
Battery type	Li-Ion	—
Wired charging	20 W	10 W
Charged in 30 min	50%	—
Wireless charging	Yes	No
Wireless charging power	15 W	—
Connectivity
5G	Yes	No
eSIM	Yes	No
Dual SIM	Yes	Yes
Wi-Fi standard	Wi-Fi 6	Wi-Fi 4
Bluetooth	5	5
NFC	Yes	No
USB	Lightning	microUSB 2.0
USB version	2	—
Ultra Wideband	Yes	—
Satellite navigation	GLONASS, GALILEO, BDS, QZSS	GLONASS, BDS
Features
Stereo speakers	Yes	No
3.5 mm headphone jack	No	Yes
Loudspeaker loudness	-24 LUFS	—
Fingerprint sensor	—	Rear
3D face unlock	Yes	—
Barometer	Yes	—
Sensors	Face ID, accelerometer, gyro, proximity, compass, barometer	Fingerprint (rear-mounted), accelerometer, proximity, compass
SAR (head)	0.99 W/kg	—
Software
OS at launch	iOS 15	Android 10
Platform	iOS	Android