Celkon Millennia Hero vs Oppo Reno3 Pro 5G: specs comparison

Key differences

Calculated from recorded specifications using minimum difference thresholds. These are differences, not an overall ranking. For three phones, numeric highlights compare the two extremes.

Weight

Millennia Hero: 58 g lighter

Millennia Hero:

113 g

Reno3 Pro 5G:

171 g
Width

Millennia Hero: 8.4 mm narrower

Millennia Hero:

64 mm

Reno3 Pro 5G:

72.4 mm
Screen diagonal

Millennia Hero: 2.5 in smaller diagonal

Millennia Hero:

4 in

Reno3 Pro 5G:

6.5 in
Rear camera layout

Millennia Hero:

Single

Reno3 Pro 5G:

Quad
Depth

Reno3 Pro 5G: 3.3 mm thinner

Millennia Hero:

11 mm

Reno3 Pro 5G:

7.7 mm
Height

Millennia Hero: 34.4 mm shorter

Millennia Hero:

125 mm

Reno3 Pro 5G:

159.4 mm

Physical size

Relative size, not calibrated actual size. Front and side outlines share one scale and a bottom baseline. Generic outlines use recorded body dimensions, excluding camera bumps.

1. Millennia Hero

Height:

125 mm
Width:

64 mm
Depth:

11 mm +3.3 mm versus Reno3 Pro 5G
2. Reno3 Pro 5G

Height:

159.4 mm +34.4 mm versus Millennia Hero
Width:

72.4 mm +8.4 mm versus Millennia Hero
Depth:

7.7 mm

Weight

Bars start at zero and share a scale within this chart.

1. Millennia Hero

113 g
2. Reno3 Pro 5G

171 g

+58 g versus Millennia Hero

Screen size

Approximate rectangular screens calculated from recorded diagonal and aspect ratio at one relative scale. Rounded corners and cutouts are not subtracted. These are not phone outlines or calibrated actual sizes.

1. Millennia Hero

Screen diagonal:

4 in

Aspect ratio (height:width):

5:3

Approximate rectangular screen area:

45.5 cm²
2. Reno3 Pro 5G

Screen diagonal:

6.5 in

Aspect ratio (height:width):

20:9

Approximate rectangular screen area:

102 cm²

Reno3 Pro 5G has approximately 124% more rectangular screen area than Millennia Hero.

Memory variants

Each row compares the same storage capacity. Cells show recorded RAM alternatives, not combined maxima. Not recorded does not mean unavailable in every market.

Recorded RAM for Millennia Hero, Reno3 Pro 5G, compared at the same storage capacity.
Storage	Millennia Hero	Reno3 Pro 5G
8 GB	1 GB RAM	Not recorded
128 GB	Not recorded	8 GB RAM
256 GB	Not recorded	12 GB RAM

Practical features

Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.

1. Millennia Hero

NFC:: Unknown
Headphone jack:: Yes
Memory card support:: See details microSD · up to 32 GB

2. Reno3 Pro 5G

NFC:: Yes
Headphone jack:: No
Memory card support:: No

Battery capacity

Capacity is not battery life. No endurance test is implied.

Recorded battery capacity

Bars start at zero and share a scale within this chart.

1. Millennia Hero

1700 mAh
2. Reno3 Pro 5G

4025 mAh

+2325 mAh versus Millennia Hero

Specifications

Open a section for more detail. On narrow screens, swipe sideways or use Left/Right arrow keys while the table is focused. Unknown means missing data, not No. Recorded zero values are shown as recorded.

1. Millennia Hero2. Reno3 Pro 5G

Everyday essentials

Everyday essentials — specifications for Millennia Hero, Reno3 Pro 5G.
Specification	Millennia Hero	Reno3 Pro 5G
Dimensions (HxWxD)	125 Х 64 Х 11 mm	159.4 Х 72.4 Х 7.7 mm
Weight	113 g	171 g
Technology	Unknown	AMOLED
Screen size	4" inch	6.5" inch
Screen resolution	480 x 800 px	1080 x 2400 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.	8 GB 1 GB RAM	128GB 8GB RAM 256GB 12GB RAM
Memory card support	microSD up to 32 GB	No
Battery Capacity is not battery life. No endurance test is implied.	1700 mAh Li-Ion	4025 mAh Non-removable Li-Po
Operating system OS	Android 5.1 (Lollipop)	Android 10.0; ColorOS 7
Chipset	Unknown	Qualcomm SDM765 Snapdragon 765G (7 nm)
NFC	Unknown	Yes
Headphone jack	Yes	No

Display

Display — specifications for Millennia Hero, Reno3 Pro 5G.
Specification	Millennia Hero	Reno3 Pro 5G
Touchscreen	capacitive touchscreen	capacitive touchscreen
Display colors	Unknown	16M
Screen area	45.5 cm2	103.5 cm2
Screen format	5:3 (height:width)	20:9 (height:width)
Screen to body ratio	56.9%	89.7%
PPI /points per inch/	233 PPI	402 PPI
Screen protection	Unknown	Corning Gorilla Glass 5

Camera and Video

Camera and Video — specifications for Millennia Hero, Reno3 Pro 5G.
Specification	Millennia Hero	Reno3 Pro 5G
Rear camera, main	5 MP Single	48 MP Quad
Camera specs	5 MP	48 MP f/1.7 26mm (wide) 1/2.0'' 0.8µm PDAF OIS -13 MP f/2.4 53mm (telephoto) 1/3.4'' 1.0µm 2x optical zoom -8 MP f/2.2 13mm (ultrawide) 1/3.2'' 1.4µm -2 MP B/W 1/5'' 1.75µm
Functions	LED flash	HDR
Video	Yes	1080p@30fps
Front camera, selfie	3.2 MP Single	32 MP Single
Specifications	3.2 MP	32 MP f/2.4 26mm (wide) 1/2.8'' 0.8µm

Performance

Scores marked * are historical catalogue entries. Test conditions are unspecified; no new testing is implied.

Performance — specifications for Millennia Hero, Reno3 Pro 5G.
Specification	Millennia Hero	Reno3 Pro 5G
Processor CPU	Quad-core 1.2 GHz	Octa-core (1x2.4 GHz Kryo 475 Prime & 1x2.2 GHz Kryo 475 Gold & 6x1.8 GHz Kryo 475 Silver)
Graphics processor GPU	Unknown	Adreno 620
Antutu 8 score *	Unknown	320822

General specs

General specs — specifications for Millennia Hero, Reno3 Pro 5G.
Specification	Millennia Hero	Reno3 Pro 5G
Release date	2015 August	2019 December
Colors	Black White/Gold White/Silver Black/Gold	Black White Starry Night Sunrise Classic Blue
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.	Unknown	520 EUR
Body build	Unknown	Front glass (Gorilla Glass 5) Back glass (Gorilla Glass 5) aluminum frame

Communication and Connectivity

Communication and Connectivity — specifications for Millennia Hero, Reno3 Pro 5G.
Specification	Millennia Hero	Reno3 Pro 5G
SIM card	Dual SIM	Dual SIM (Nano-SIM dual stand-by)
Network	Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2	Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMA -3G - HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100 CDMA2000 1xEV-DO -4G - LTE band 1(2100) 2(1900) 3(1800) 4(1700/2100) 5(850) 7(2600) 8(900) 12(700) 17(700) 20(800) 34(2000) 38(2600) 39(1900) 40(2300) 41(2500) -5G - 5G band 1(2100) 41(2500) 78(3500); SA/NSA
Speed	HSPA	HSPA 42.2/5.76 Mbps LTE-A 5G 3.7/1.6 Gbps
GPRS	Yes	Yes
Edge	Yes	Yes
Wi-Fi	Wi-Fi 802.11 b/g/n	Wi-Fi 802.11 a/b/g/n/ac/ax dual-band Wi-Fi Direct hotspot
GPS	A-GPS	Yes with A-GPS GLONASS GALILEO BDS
USB	microUSB 2.0	3.1 Type-C 1.0 reversible connector USB On-The-Go
Bluetooth	2.0	5.1 A2DP LE aptX HD
Harmful irradiation	SAR EU - 0.34 W/kg (head) 0.76 W/kg (body)	SAR EU - 0.82 W/kg (head) 1.29 W/kg (body)

Music and Audio

Music and Audio — specifications for Millennia Hero, Reno3 Pro 5G.
Specification	Millennia Hero	Reno3 Pro 5G
Radio	FM radio	Unknown
Others	Unknown	500 nits typ. brightness -800 nits max brightness -90Hz refresh rate Active noise cancellation with dedicated mic -Dolby Atmos sound

Other features

Other features — specifications for Millennia Hero, Reno3 Pro 5G.
Specification	Millennia Hero	Reno3 Pro 5G
Dop	Sensors Accelerometer	Sensors Fingerprint (under display optical) accelerometer gyro proximity compass - Fast battery charging 30W: 50% in 20min (VOOC Flash Charge 4.0)

Celkon Millennia Hero vs Oppo Reno3 Pro 5G