Home/Xiaomi/Xiaomi Mi 10 Ultra vs Xiaomi Redmi K40S
Xiaomi Mi 10 Ultra

Xiaomi Mi 10 Ultra

#312
Xiaomi Redmi K40S

Xiaomi Redmi K40S

#580

Category Breakdown

Xiaomi Mi 10 Ultra
Xiaomi Redmi K40S
Performance
88.890.5
Camera
97.785.7
Display
93.393.2
Battery
91.230.6
Build
81.173.7
Connectivity
84.483.9
Audio
87.687.6
Overall
81.574.1

Summary

  • The Xiaomi Mi 10 Ultra features a premium build with Gorilla Glass 5 front and Gorilla Glass 6 back, weighing 221.8g, while the Xiaomi Redmi K40S has a lighter design with a plastic back, weighing 195g.
  • Both smartphones have a 6.67" display, but the Mi 10 Ultra uses an OLED panel with a peak brightness of 1120 nits, compared to the K40S's AMOLED display with a higher peak brightness of 1300 nits.
  • In terms of performance, the Mi 10 Ultra is powered by the Snapdragon 865, while the K40S utilizes the Snapdragon 870, offering slightly better efficiency.
  • Camera capabilities are robust on both, with the Mi 10 Ultra providing a more versatile setup including a periscope telephoto lens, while the K40S has a simpler configuration.
  • Both devices have a 4500mAh battery, but the Mi 10 Ultra supports faster charging at 120W versus the K40S's 67W.
  • Software-wise, the Mi 10 Ultra runs Android 10 with MIUI 12.5, while the K40S comes with Android 12 and MIUI 13, offering a more updated software experience.

Side-by-side Specification Comparison

Xiaomi Mi 10 Ultra
Xiaomi Redmi K40S

General

Release Date

2020, August 11
2022, March 17

Announced

2020, August 11
2022, March 17

Description

N/A
N/A

Display

Size

6.67"
6.67"

Type

OLED, 1B colors, 120Hz, HDR10+, 800 nits (HBM), 1120 nits (peak)
AMOLED, 120Hz, HDR10+, 1300 nits (peak)

Resolution

1080 x 2340 pixels, 19.5:9 ratio (~386 ppi density)
1080 x 2400 pixels, 20:9 ratio (~395 ppi density)

PPI

1080
1080

Refresh Rate

120Hz
120Hz

HDR Support

Protection

Corning Gorilla Glass 5
Corning Gorilla Glass 5

Performance

Chipset

Qualcomm SM8250 Snapdragon 865 5G (7 nm+)
Qualcomm SM8250-AC Snapdragon 870 5G (7 nm)

CPU

Octa-core (1x2.84 GHz Cortex-A77 & 3x2.42 GHz Cortex-A77 & 4x1.80 GHz Cortex-A55)
Octa-core (1x3.2 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.80 GHz Kryo 585)

GPU

Adreno 650
Adreno 650

Memory

128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM, 512GB 16GB RAM
128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM

Expandable Storage

Card Slot

No
No

Camera

Main Camera

48 MP, f/1.9, 25mm (wide), 1/1.32", 1.2µm, PDAF, OIS48 MP, f/4.1, 120mm (periscope telephoto), 1/2.0", 0.8µm, PDAF, OIS, 5x optical zoom12 MP, f/2.0, 50mm (telephoto), 1/2.55", 1.4µm, dual pixel PDAF, 2x optical zoom20 MP, f/2.2, 128˚, 12mm (ultrawide), 1/2.8", 1.0µm, PDAF
48 MP, f/1.8, (wide), 1/2.0", 0.8µm, PDAF, OIS8 MP, 119˚ (ultrawide)2 MP, f/2.4, (macro)

Main Camera Features

Laser AF, color spectrum sensor, Dual-LED flash, HDR, panorama
Color spectrum sensor, Dual-LED dual-tone flash, HDR, panorama

Front Camera

20 MP, f/2.3, (wide), 1/3.4", 0.8µm
20 MP, (wide)

Front Camera Features

HDR
N/A

Video Recording

8K@24fps, 4K@30/60fps, 1080p@30/60/120/240/960fps, gyro-EIS, HDR10 rec.
4K@30fps, 1080p@30/60/120fps, 720p@960fps; gyro-EIS

Selfie Video

1080p@30fps, 720p@120fps, gyro-EIS
1080p@30/120fps

Optical Stabilization

Night Mode

Raw Photo Support

Battery

Capacity

4500 mAh
4500 mAh

Battery Details

Li-Ion 4500 mAh, graphene-enhanced
Li-Po 4500 mAh

Charging Details

120W wired, PD3.0, QC5, 41% in 5 min, 100% in 23 min50W wireless, 100% in 40 min10W reverse wireless
67W wired, PD3.0, QC3, 100% in 38 min

Fast Charging

Wireless Charging

Build & Safety

Dimensions

162.4 x 75.1 x 9.5 mm (6.39 x 2.96 x 0.37 in)
163.2 x 76 x 7.7 mm (6.43 x 2.99 x 0.30 in)

Weight

221.8 g
195 g

Materials

Glass front (Gorilla Glass 5), glass back (Gorilla Glass 6), aluminum frame
Glass front (Gorilla Glass 5), plastic back

Colors

Obsidian Black, Mercury Silver, Transparent Edition
Black, Gray, Blue, Green

Foldable

SAR

N/A
N/A

Connectivity

SIM

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

Network

GSM / CDMA / HSPA / EVDO / LTE / 5G
GSM / CDMA / HSPA / CDMA2000 / LTE / 5G

Network Speed

HSPA, LTE, 5G
HSPA, LTE, 5G

5G

4G

WiFi

Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct, DLNA
Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct

Bluetooth

5.1, A2DP, LE, aptX HD
5.2, A2DP, LE

NFC

USB

USB Type-C 2.0, OTG
USB Type-C 2.0, OTG

IR Blaster

Headphone Jack

Radio

Positioning

GPS (L1+L5), GLONASS (G1), BDS (B1I+B2a), GALILEO (E1+E5a), QZSS (L1+L5)
GPS (L1+L5), GLONASS (L1), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5)

Audio

Stereo Speakers

Loudspeaker

Yes, with stereo speakers
Yes, with stereo speakers

Audio Jack

No
No

Software & Security

Operating System

Android 10, MIUI 12.5
Android 12, MIUI 13

Fingerprint

Face Unlock

Sensors

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