Xiaomi Redmi Note 4X vs ZTE Racer II: 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

Racer II: 65 g lighter

Redmi Note 4X:

165 g

Racer II:

100 g
Width

Racer II: 20.6 mm narrower

Redmi Note 4X:

76 mm

Racer II:

55.4 mm
Screen diagonal

Racer II: 2.7 in smaller diagonal

Redmi Note 4X:

5.5 in

Racer II:

2.8 in
Depth

Redmi Note 4X: 5 mm thinner

Redmi Note 4X:

8.5 mm

Racer II:

13.5 mm
Height

Racer II: 47 mm shorter

Redmi Note 4X:

151 mm

Racer II:

104 mm
Release year

Redmi Note 4X:

2017

Racer II:

2011

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. Redmi Note 4X

Height:

151 mm +47 mm versus Racer II
Width:

76 mm +20.6 mm versus Racer II
Depth:

8.5 mm
2. Racer II

Height:

104 mm
Width:

55.4 mm
Depth:

13.5 mm +5 mm versus Redmi Note 4X

Weight

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

1. Redmi Note 4X

165 g

+65 g versus Racer II
2. Racer II

100 g

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. Redmi Note 4X

Screen diagonal:

5.5 in

Aspect ratio (height:width):

16:9

Approximate rectangular screen area:

83.4 cm²
2. Racer II

Screen diagonal:

2.8 in

Aspect ratio (height:width):

4:3

Approximate rectangular screen area:

24.3 cm²

Redmi Note 4X has approximately 243.5% more rectangular screen area than Racer II.

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.

No unambiguous storage/RAM pairings are recorded. See the original specifications below.

Redmi Note 4X: Original memory entry

64 GB · 4 GB RAM 16/32 GB · 3 RAM

Racer II: Original memory entry

256 MB · 512 MB 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. Redmi Note 4X

NFC:: Unknown
Headphone jack:: Yes
Memory card support:: See details microSD · up to 256 GB (uses SIM 2 slot)

2. Racer II

NFC:: See details Optional
Headphone jack:: Yes
Memory card support:: See details microSD · up to 32 GB (dedicated slot)

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. Redmi Note 4X

4100 mAh

+3000 mAh versus Racer II
2. Racer II

1100 mAh

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. Redmi Note 4X2. Racer II

Everyday essentials

Everyday essentials — specifications for Redmi Note 4X, Racer II.
Specification	Redmi Note 4X	Racer II
Dimensions (HxWxD)	151 Х 76 Х 8.5 mm	104 Х 55.4 Х 13.5 mm
Weight	165 g	100 g
Technology	IPS LCD	TFT
Screen size	5.5" inch	2.8" inch
Screen resolution	1080 x 1920 px	240 x 320 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.	64 GB 4 GB RAM 16/32 GB 3 RAM	256 MB 512 MB RAM
Memory card support	microSD up to 256 GB (uses SIM 2 slot)	microSD up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.	4100 mAh Non-removable Li-Po	1100 mAh Removable Li-Ion
Operating system OS	Android 6.0 (Marshmallow) upgradable to 7.0 (Nougat); MIUI 10	Android 2.2 (Froyo)
Chipset	Qualcomm MSM8953 Snapdragon 625 (14 nm)	Unknown
NFC	Unknown	Optional
Headphone jack	Yes	Yes

Display

Display — specifications for Redmi Note 4X, Racer II.
Specification	Redmi Note 4X	Racer II
Touchscreen	capacitive touchscreen	capacitive touchscreen
Display colors	16M	256K
Screen area	83.4 cm2	24.3 cm2
Screen format	16:9 (height:width)	4:3 (height:width)
Screen to body ratio	72.7%	42.1%
PPI /points per inch/	401 PPI	143 PPI

Camera and Video

Camera and Video — specifications for Redmi Note 4X, Racer II.
Specification	Redmi Note 4X	Racer II
Rear camera, main	13 MP Single	3.15 MP Single
Camera specs	13 MP f/2.0 1.12µm PDAF	3.15 MP
Functions	Dual-LED dual-tone flash panorama HDR	Unknown
Video	1080p@30fps	Yes
Front camera, selfie	5 MP Single	0 MP,
Specifications	5 MP f/2.0	Unknown

Performance

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

Performance — specifications for Redmi Note 4X, Racer II.
Specification	Redmi Note 4X	Racer II
Processor CPU	Octa-core 2.0 GHz Cortex-A53	500 MHz ARM 11
Graphics processor GPU	Adreno 506	Unknown
Antutu 7 score *	90236	Unknown
GeekBench 4 Single Core *	832	Unknown
GeekBench 4 Multi-Core *	3415	Unknown
GeekBench 4 RenderScript *	3045	Unknown
GeekBench 5 Single Core *	170	Unknown
GeekBench 5 Multi-Core *	944	Unknown

General specs

General specs — specifications for Redmi Note 4X, Racer II.
Specification	Redmi Note 4X	Racer II
Release date	2017 February	2011 August
Colors	Platinum Silver Champagne Gold Matte Black Hatsune Miku Sakura Powder	Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.	130 EUR	200 EUR
Battery life	Unknown	Stand by time- Up to 166 h Talking time- Up to 4 h 35 min
Body build	Front glass aluminum body	Unknown

Communication and Connectivity

Communication and Connectivity — specifications for Redmi Note 4X, Racer II.
Specification	Redmi Note 4X	Racer II
SIM card	Hybrid Dual SIM (Micro-SIM/Nano-SIM dual stand-by)	Mini-SIM
Network	Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMA -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100) 3(1800) 5(850) 7(2600) 38(2600) 39(1900) 40(2300) 41(2500) - Snapdragon model LTE band 1(2100) 8(900) 41(2500) - Mediatek model	Show all network frequencies: -2G - GSM 900 / 1800 / 1900
Speed	HSPA 42.2/5.76 Mbps LTE-A (2CA) Cat6 300/50 Mbps	HSPA 3.6/0.384 Mbps
GPRS	Yes	Yes
Edge	Yes	Yes
Wi-Fi	Wi-Fi 802.11 a/b/g/n Wi-Fi Direct hotspot	Wi-Fi 802.11 b/g
GPS	Yes with A-GPS GLONASS BDS	Yes with A-GPS
USB	microUSB 2.0 USB On-The-Go	microUSB
Bluetooth	4.2 A2DP LE	2.1 A2DP EDR

Music and Audio

Music and Audio — specifications for Redmi Note 4X, Racer II.
Specification	Redmi Note 4X	Racer II
Radio	FM radio	Stereo FM radio RDS
Others	24-bit/192kHz audio -Active noise cancellation with dedicated mic	Unknown

Other features

Other features — specifications for Redmi Note 4X, Racer II.
Specification	Redmi Note 4X	Racer II
Dop	Sensors Fingerprint (rear-mounted) accelerometer gyro proximity compass Infrared port - For China	Sensors Accelerometer proximity compass - MP4/H.264 player -MP3/WAV/eAAC+ player -Organizer -Document viewer -Voice memo -Predictive text input - Also known as ZTE Meteor Racer II

Xiaomi Redmi Note 4X vs ZTE Racer II