Oppo Reno12 vs Realme C75 5G – Price, Specs & Features

Q: Which phone has better performance, the Oppo Reno12 or the Realme C75 5G?

In this performance comparison, the Oppo Reno12 with its Dimensity 7300 Energy (4nm) performs better than the Realme C75 5G with the Dimensity 6300 (6nm), thanks to superior chipset efficiency.

Oppo Reno12 alternatives

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Oppo Reno14

Realme C75 5G alternatives

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Oppo Reno12

Dimensity 7300 Energy
4 nm
5000 mAh
80W
6.7"
1080x2412 pixels
50 MP
4K@30fps
Specs

Realme C75 5G

Dimensity 6300
6 nm
6000 mAh
45W
6.67"
720 x 1604 pixels
32 MP
1080p@30fps
Specs

Realme C75 5G

General

Launch Date

July 12, 2024

May 02, 2025

Availability

Available Now

Android 14

Android 15

Custom UI

ColorOS 14.1

Realme UI 6.0

OS Updates

3 Years

2 Years

Security Updates

4 Years

3 Years

AI Features

AI Eraser 2.0, AI Studio, AI Recording Summary

Body

Dimensions

161.4 x 74.1 x 7.6 mm

165.7 x 76.2 x 7.9 mm

Thickness

7.6 mm

7.9 mm

Weight

177 g

190 g

Build Details

Plastic Frame, Plastic Back

IP Rating

IP65

IP64 (Dust-tight and water-resistant (protected against splashes), drop-resistant up to 2 meters, MIL-STD-810H compliant.*)

Display

Size

6.7 inches

6.67 inches

Type

AMOLED, HDR10

IPS LCD

Refresh Rate

120 Hz

Peak Brightness

1200 nits

625 nits

Resolution

1080x2412 pixels

720 x 1604 pixels

Pixel Density

394 ppi

264 ppi

Aspect Ratio

20:9

Screen to Body Ratio

90.3 %

84.9 %

Protection

Gorilla Glass 7i

Performance

Chipset¹

Mediatek Dimensity 7300 Energy

Mediatek Dimensity 6300

Process Size

4 nm

6 nm

CPU

Octa-core
4x2.5 GHz Cortex-A78
4x2.0 GHz Cortex-A55

Octa-core
2x2.4 GHz Cortex-A76
6x2.0 GHz Cortex-A55

GPU

Mali-G615 MC2

Mali-G57 MC2

RAM & Storage

12GB 256GB (UFS 3.1)
12GB 512GB (UFS 3.1)

4GB 128GB
6GB 128GB

RAM Type

LPDDR4X

Expandable Memory

Yes

Camera

Main Camera

50 MP
f/1.8, 26mm (wide), 1/1.95", 0.8µm, multi-directional PDAF, OIS

8 MP
f/2.2, 16mm, 112˚ (ultrawide), 1/4.0", 1.12µm

2 MP
f/2.4, (macro)

32 MP
f/1.8, 27mm (wide), 1/3.1", GalaxyCoreGC32E2, PDAF

OIS

Yes

Features

LED flash, HDR, panorama, Digital Zoom, Auto Flash, Face detection, Touch to focus

LED flash, panorama

Video Recording

4K@30fps
1080p@30/60/120/480fps
720p@960fps

1080p@30fps

Video Recording Features

Dual Video Recording, Slo-motion, Extra HD

Selfie Camera

32 MP
f/2.0, 21mm (wide), 1/3.1", PDAF

8 MP
f/2.0, (wide)

Selfie Features

Panorama, HDR

Panorama

Selfie Video Recording

4K@30fps
1080p@30fps

1080p@30fps

Connectivity

SIM

Dual SIM, GSM+GSM
SIM1: Nano, SIM2: Nano

Dual SIM
SIM1: Nano, SIM2: Nano (Hybrid)

SIM 1

16 5G Bands

FDD: N1, N2, N3, N5, N7, N8, N12, N20, N26, N28
TDD: N38, N40, N41, N66, N77, N78

9 5G Bands

FDD: N1, N3, N5, N8, N28
TDD: N40, N41, N77, N78

SIM 2

16 5G Bands

FDD: N1, N2, N3, N5, N7, N8, N12, N20, N26, N28
TDD: N38, N40, N41, N66, N77, N78

9 5G Bands

FDD: N1, N3, N5, N8, N28
TDD: N40, N41, N77, N78

VoLTE

Yes

Wi-Fi

Wi-Fi 6

Wi-Fi 5

Wi-Fi Details

802.11 a/b/g/n/ac/ax 5GHz 6GHz, MIMO

802.11 a/b/g/n/ac 5GHz

Wi-Fi Features

Mobile Hotspot

USB

USB Type-C 2.0, OTG

Bluetooth

5.4

5.3

NFC

Yes

GPS

Yes with A-GPS, Glonass

Infrared

Yes

UWB (Ultra Wideband)

Battery

Capacity

5000 mAh

6000 mAh

Type

Li-Po

Removable

Wired charging

80W

45W

Charging Speed

47% in 18 min,100% in 46 min

Wireless Charging

Reverse Wireless Charging

Charger in the Box

Yes

Sound

Stereo Speakers

Yes

3.5mm Headphone Jack

Yes

FM Radio

Extra Features

Sensors

Fingerprint (under display, optical), accelerometer, gyro, proximity, compass

Side-mounted fingerprint sensor, accelerometer, proximity, compass

Others

BeaconLink calls via bluetooth (up to 200m)

Colors and Pricing

Colors

Matte Brown, Sunset Pink, Astro Silver

Midnight Lily, Purple Blossom, Lily White

Price in India

₹23499

₹12565

FAQs

Which phone has better performance?

In this performance comparison, the Oppo Reno12 with its Mediatek Dimensity 7300 Energy (4nm) performs better than the Realme C75 5G with the Mediatek Dimensity 6300 (6nm), thanks to superior chipset efficiency.

Which phone offers longer software support?

Oppo Reno12 offers 3 years of OS updates, whereas Realme C75 5G provides 2 years. For security updates, Oppo Reno12 offers 4 years of support compared to Realme C75 5G's 3 years.

Which phone has a better display?

Oppo Reno12 features a superior AMOLED display, while Realme C75 5G comes with an LCD panel. Both smartphones offer the same 120 Hz refresh rate. Oppo Reno12 also boasts a brighter screen with 1200 nits of peak brightness, enhancing outdoor visibility. Notably, Oppo Reno12 offers a higher screen resolution, resulting in sharper visuals and more detailed content.

Which phone has a bigger battery and faster charging?

Realme C75 5G features a larger 6000 mAh battery, potentially delivering better battery life. Oppo Reno12 also supports faster wired charging at 80W, compared to 45W on Realme C75 5G.

Which phone has better water and dust resistance?

Oppo Reno12 offers better protection against water and dust with an IP65 rating.

Can I buy these phones on Amazon?

Oppo Reno12 – Check price here
Realme C75 5G – Check price here

¹ Scores can vary even with the same chipset due to RAM, thermals, and software optimization.