C51 vs Neo7x

Quick verdict

Which is better?

Neo7x leads the measured specs 14-4.

Measured wins

C51: 4Neo7x: 14Ties: 4

Choose C51 for

SD card
Weight
Screen size

Choose Neo7x for

5G support
Peak brightness
Front camera

Biggest differences

5G supportNeo7x

NovsYes+100%

SD cardC51

YesvsNo+100%

Peak brightnessNeo7x

560 nitsvs2,000 nits+72%

C51

Realme

AView Details

Neo7x

Realme

BView Details

Head-to-head comparison

C51

4

spec wins

Ties

4

equal specs

Neo7x

14

spec wins

Overall winner

Display

Screen size

C516.7"+1%

Neo7x6.7"

Specifications Comparison

Network

Technology

C51

GSM / HSPA / LTE

Neo7x

GSM / HSPA / LTE / 5G

2G bands

C51

GSM 850 / 900 / 1800 / 1900

Neo7x

GSM 850 / 900 / 1800 / 1900

3G bands

C51

HSDPA 850 / 900 / 2100

Neo7x

HSDPA 850 / 900 / 2100

4G bands

C51

1, 3, 5, 8, 38, 40, 41 - Africa, India, 1, 3, 5, 7, 8, 20, 28, 38, 40, 41 - Asia

Front camera

Neo7x

5.0 MPvs16.0 MP+69%

Resolution

C51720 × 1600 px

Neo7x1080 × 2400 px+56%

Refresh rate

C5190 Hz

Neo7x120 Hz+25%

Peak brightness

C51560 nits

Neo7x2,000 nits+72%

Pixel density

C51260 ppi

Neo7x395 ppi+34%

Performance

CPU speed

C51Octa-core (2x1.8 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55)

Neo7xOcta-core (1x2.3 GHz Cortex-A720s & 3x2.2 GHz Cortex-A720s & 4x1.8 GHz Cortex-A520s)+22%

RAM

C513.0 GB

Neo7x8.0 GB+63%

Storage

C5164 GB

Neo7x128 GB+50%

Cameras

Main camera

equal specs

C5150.0 MP

Neo7x50.0 MP

Front camera

C515.0 MP

Neo7x16.0 MP+69%

Battery

C515,000 mAh

Neo7x6,000 mAh+17%

Wired charging

C5133 W

Neo7x45 W+27%

Build

Weight

C51186 g+4.3%

Neo7x194 g

Thickness

equal specs

C518.0 mm

Neo7x8.0 mm

IP rating

C51Glass front, plastic frame, plastic back

Neo7xIP69/IP68

Connectivity

Wi‑Fi

C51Wi-Fi 802.11 a/b/g/n/ac, dual-band

Neo7xWi-Fi 802.11 a/b/g/n/ac, dual-band

Bluetooth

C515.0, A2DP, LE

Neo7x5.2, A2DP, LE+3.8%

USB

C51USB Type-C 2.0, OTG

Neo7xUSB Type-C

5G support

C51No

Neo7xYes+100%

NFC

equal specs

C51Yes

Neo7xYes

3.5mm jack

equal specs

C51Yes

Neo7xYes

SD card

C51Yes+100%

Neo7xNo

Stereo speakers

C51—

Neo7xYes

C51SpecNeo7x

Display

6.7"+1%

Screen size

6.7"

720 × 1600 px

Resolution

1080 × 2400 px+56%

90 Hz

Refresh rate

120 Hz+25%

560 nits

Peak brightness

2,000 nits+72%

260 ppi

Pixel density

395 ppi+34%

Performance

Octa-core (2x1.8 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55)

CPU speed

Octa-core (1x2.3 GHz Cortex-A720s & 3x2.2 GHz Cortex-A720s & 4x1.8 GHz Cortex-A520s)+22%

3.0 GB

RAM

8.0 GB+63%

64 GB

Storage

Cameras

50.0 MP

Main cameraequal specs

50.0 MP

5.0 MP

Front camera

16.0 MP+69%

Battery

5,000 mAh

Battery

6,000 mAh+17%

33 W

Wired charging

45 W+27%

Build

186 g+4.3%

Weight

194 g

8.0 mm

Thicknessequal specs

8.0 mm

Glass front, plastic frame, plastic back

IP rating

IP69/IP68

Connectivity

Wi-Fi 802.11 a/b/g/n/ac, dual-band

Wi‑Fi

Wi-Fi 802.11 a/b/g/n/ac, dual-band

5.0, A2DP, LE

Bluetooth

5.2, A2DP, LE+3.8%

USB Type-C 2.0, OTG

USB

USB Type-C

Neo7x

1, 3, 5, 8, 28, 34, 38, 39, 40, 41

Speed

C51

HSPA, LTE

Neo7x

HSPA, LTE, 5G

5G bands

C51

-

Neo7x

1, 5, 8, 28, 41, 77, 78 SA/NSA

GSM / HSPA / LTETechnologyGSM / HSPA / LTE / 5G

GSM 850 / 900 / 1800 / 1900 2G bandsGSM 850 / 900 / 1800 / 1900

HSDPA 850 / 900 / 2100 3G bandsHSDPA 850 / 900 / 2100

1, 3, 5, 8, 38, 40, 41 - Africa, India, 1, 3, 5, 7, 8, 20, 28, 38, 40, 41 - Asia4G bands1, 3, 5, 8, 28, 34, 38, 39, 40, 41

HSPA, LTESpeedHSPA, LTE, 5G

-5G bands1, 5, 8, 28, 41, 77, 78 SA/NSA

Launch

Announced

C51

2023, July 24

Neo7x

2025, February 25

Status

C51

Available. Released 2023, August

Neo7x

Available. Released 2025, February 25

2023, July 24Announced2025, February 25

Available. Released 2023, AugustStatusAvailable. Released 2025, February 25

Body

Dimensions

C51

167.2 x 76.7 x 8 mm (6.58 x 3.02 x 0.31 in)

Neo7x

163.2 x 75.7 x 8 mm (6.43 x 2.98 x 0.31 in)

Weight

C51

186 g (6.56 oz)

Neo7x

194 g (6.84 oz)

Build

C51

Glass front, plastic frame, plastic back

Neo7x

-

SIM

C51

Nano-SIM + Nano-SIM

Neo7x

Nano-SIM + Nano-SIM

Other

C51

-

Neo7x

IP68/IP69 dust tight and water resistant (high pressure water jets; immersible up to 2.5m for 30 min)

167.2 x 76.7 x 8 mm (6.58 x 3.02 x 0.31 in)Dimensions163.2 x 75.7 x 8 mm (6.43 x 2.98 x 0.31 in)

186 g (6.56 oz)Weight194 g (6.84 oz)

Glass front, plastic frame, plastic backBuild-

Nano-SIM + Nano-SIMSIMNano-SIM + Nano-SIM

-OtherIP68/IP69 dust tight and water resistant (high pressure water jets; immersible up to 2.5m for 30 min)

Display

Type

C51

IPS LCD, 90Hz, 560 nits (peak)

Neo7x

AMOLED, 120Hz, 2000 nits (peak)

Size

C51

6.74 inches, 109.7 cm2 (~85.5% screen-to-body ratio)

Neo7x

6.67 inches, 107.4 cm2 (~86.9% screen-to-body ratio)

Resolution

C51

720 x 1600 pixels, 20:9 ratio (~260 ppi density)

Neo7x

1080 x 2400 pixels, 20:9 ratio (~395 ppi density)

Other

C51

-

Neo7x

HDR image support

IPS LCD, 90Hz, 560 nits (peak)TypeAMOLED, 120Hz, 2000 nits (peak)

6.74 inches, 109.7 cm2 (~85.5% screen-to-body ratio)Size6.67 inches, 107.4 cm2 (~86.9% screen-to-body ratio)

720 x 1600 pixels, 20:9 ratio (~260 ppi density)Resolution1080 x 2400 pixels, 20:9 ratio (~395 ppi density)

-OtherHDR image support

Platform

OS

C51

Android 13, Realme UI T

Neo7x

Android 15, Realme UI 6.0

Chipset

C51

Unisoc Tiger T612 (12 nm)

Neo7x

Qualcomm Snapdragon 6 Gen 4 (4 nm)

CPU

C51

Octa-core (2x1.8 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55)

Neo7x

Octa-core (1x2.3 GHz Cortex-A720s & 3x2.2 GHz Cortex-A720s & 4x1.8 GHz Cortex-A520s)

GPU

C51

Mali-G57

Neo7x

Adreno 810

Android 13, Realme UI TOSAndroid 15, Realme UI 6.0

Unisoc Tiger T612 (12 nm)ChipsetQualcomm Snapdragon 6 Gen 4 (4 nm)

Octa-core (2x1.8 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55)CPUOcta-core (1x2.3 GHz Cortex-A720s & 3x2.2 GHz Cortex-A720s & 4x1.8 GHz Cortex-A520s)

Mali-G57GPUAdreno 810

Memory

Card slot

C51

microSDXC (dedicated slot)

Neo7x

No

Internal

C51

64GB 3GB RAM, 64GB 4GB RAM, 128GB 4GB RAM, 256GB 6GB RAM

Neo7x

128GB 8GB RAM, 256GB 8GB RAM, 512GB 12GB RAM

Other

C51

еMMC 5.1

Neo7x

-

microSDXC (dedicated slot)Card slotNo

64GB 3GB RAM, 64GB 4GB RAM, 128GB 4GB RAM, 256GB 6GB RAMInternal128GB 8GB RAM, 256GB 8GB RAM, 512GB 12GB RAM

еMMC 5.1Other-

Main Camera

Single

C51

50 MP, f/1.8, 27mm (wide), 1/2.76", 0.64µm, PDAF Auxiliary lens

Neo7x

50 MP, f/1.8, 27mm (wide), 1/2.88", 0.61µm, PDAF

Features

C51

LED flash, HDR, panorama

Neo7x

LED flash, HDR, panorama

Video

C51

1080p@30fps

Neo7x

4K@30fps, 1080p@30/60/120fps, gyro-EIS

50 MP, f/1.8, 27mm (wide), 1/2.76", 0.64µm, PDAF Auxiliary lensSingle50 MP, f/1.8, 27mm (wide), 1/2.88", 0.61µm, PDAF

LED flash, HDR, panoramaFeaturesLED flash, HDR, panorama

1080p@30fpsVideo4K@30fps, 1080p@30/60/120fps, gyro-EIS

Selfie camera

Single

C51

5 MP, f/2.2, 28mm (wide), 1/5.0", 1.12µm

Neo7x

16 MP, f/2.4, 23mm (wide), 1/3.09", 1.0µm

Features

C51

HDR

Neo7x

-

Video

C51

720p@30fps

Neo7x

1080p@30fps

5 MP, f/2.2, 28mm (wide), 1/5.0", 1.12µmSingle16 MP, f/2.4, 23mm (wide), 1/3.09", 1.0µm

HDRFeatures-

720p@30fpsVideo1080p@30fps

Sound

Loudspeaker

C51

Yes

Neo7x

Yes, with stereo speakers

3.5mm jack

C51

Yes

Neo7x

Yes

Other

C51

-

Neo7x

24-bit/192kHz Hi-Res audio

YesLoudspeakerYes, with stereo speakers

Yes3.5mm jackYes

-Other24-bit/192kHz Hi-Res audio

Comms

WLAN

C51

Wi-Fi 802.11 a/b/g/n/ac, dual-band

Neo7x

Wi-Fi 802.11 a/b/g/n/ac, dual-band

Bluetooth

C51

5.0, A2DP, LE

Neo7x

5.2, A2DP, LE

Positioning

C51

GPS, GLONASS, GALILEO

Neo7x

GPS, GLONASS, GALILEO, BDS, QZSS

NFC

C51

Yes, 360˚ (market/region dependent)

Neo7x

Yes

Radio

C51

Unspecified

Neo7x

No

USB

C51

USB Type-C 2.0, OTG

Neo7x

USB Type-C

Infrared port

C51

-

Neo7x

Yes

Wi-Fi 802.11 a/b/g/n/ac, dual-bandWLANWi-Fi 802.11 a/b/g/n/ac, dual-band

5.0, A2DP, LEBluetooth5.2, A2DP, LE

GPS, GLONASS, GALILEOPositioningGPS, GLONASS, GALILEO, BDS, QZSS

Yes, 360˚ (market/region dependent)NFCYes

UnspecifiedRadioNo

USB Type-C 2.0, OTGUSBUSB Type-C

-Infrared portYes

Features

Sensors

C51

Fingerprint (side-mounted), accelerometer, proximity, compass

Neo7x

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

Fingerprint (side-mounted), accelerometer, proximity, compassSensorsFingerprint (under display, optical), accelerometer, gyro, proximity, compass

Battery

Type

C51

5000 mAh

Neo7x

Si/C Li-Ion 6000 mAh

Charging

C51

33W wired, 0-50% in 28 min

Neo7x

45W wired, 50% in 30 min

5000 mAhTypeSi/C Li-Ion 6000 mAh

33W wired, 0-50% in 28 minCharging45W wired, 50% in 30 min

Misc

Colors

C51

Mint Green, Carbon Black

Neo7x

Gray, White

Models

C51

RMX3830

Neo7x

-

SAR

C51

1.18 W/kg (head) 0.78 W/kg (body)

Neo7x

-

Price

C51

About 410 EUR

Neo7x

About 170 EUR

Mint Green, Carbon BlackColorsGray, White

RMX3830Models-

1.18 W/kg (head) 0.78 W/kg (body) SAR-

About 410 EURPriceAbout 170 EUR

128 GB

+50%

No

5G support

Yes+100%

Yes

NFCequal specs

Yes

3.5mm jackequal specs

Yes

Yes+100%

SD card

No

—

Stereo speakers

Yes