Motorola Moto G Fast vs Redmi K90

The Motorola Moto G Fast (2020) runs on the Qualcomm Snapdragon 665, while the Redmi K90 (2025) runs on the Qualcomm Snapdragon 8 Elite. By overall MobileRank rating, the Redmi K90 leads — 68/100 vs 8/100 (a 60-point difference). Key differences: the Redmi K90 has the bigger battery (7100 mAh vs 4000); the main camera is 16 MP vs 50 MP; the Redmi K90 is faster in AnTuTu (3,088,357 vs 329,457); the Redmi K90 has NFC for contactless payments, the Motorola Moto G Fast doesn't; the Motorola Moto G Fast is noticeably lighter (189g vs 206g).

The Redmi K90 significantly outperforms the Motorola Moto G Fast by 60 points (68/100 vs 8/100).
Profile comparison
Category scores
Motorola Moto G Fast
Performance 0
Display 0
Camera 5
Battery 12
Design 63
Value for money 55
Redmi K90
Performance 69
Display 100
Camera 53
Battery 71
Design 42
Value for money 82
What makes Motorola Moto G Fast better?
  • Lighter: 189g vs 206g

  • Better design/ergonomics (63/100 vs 42/100)
What makes Redmi K90 better?
  • Higher AnTuTu: 3088357 vs 329457
  • Better Geekbench Single: 3050 vs 321
  • Better Geekbench Multi: 9300 vs 1128
  • Bigger battery: 7100 vs 4000 mAh
  • Faster charging: 100W vs 10W
  • Better main camera: 50MP vs 16MP

  • Higher performance (69/100 vs 0/100)
  • Better camera (53/100 vs 5/100)
  • Longer battery life (71/100 vs 12/100)
  • Better display (100/100 vs 0/100)
  • Better value for money (82/100 vs 55/100)
Comparison verdict

Comparing the Motorola Moto G Fast vs the Redmi K90, the Redmi K90 scores 60 points higher (68/100 vs 8/100). In the "performance" category, the Redmi K90 leads (69/100 vs 0/100). In the "camera" category, the Redmi K90 leads (53/100 vs 5/100). In the "battery" category, the Redmi K90 leads (71/100 vs 12/100). In the "value for money" category, the Redmi K90 leads (82/100 vs 55/100). In the "performance" category, the Redmi K90 significantly outperforms the Motorola Moto G Fast (69/100 vs 0/100). In the "display" category, the Redmi K90 significantly outperforms the Motorola Moto G Fast (100/100 vs 0/100). In the "camera" category, the Redmi K90 significantly outperforms the Motorola Moto G Fast (53/100 vs 5/100). In the "battery" category, the Redmi K90 significantly outperforms the Motorola Moto G Fast (71/100 vs 12/100). In the "design" category, the Motorola Moto G Fast notably outperforms the Redmi K90 (63/100 vs 42/100). In the "value for money" category, the Redmi K90 notably outperforms the Motorola Moto G Fast (82/100 vs 55/100).

Motorola Moto G Fast: The Motorola Moto G Fast is a better fit for everyday use.
Redmi K90: The Redmi K90 is a better fit for active users, budget-conscious buyers.
Specs comparison
Specification Motorola Moto G Fast Redmi K90
Processor Qualcomm Snapdragon 665 Qualcomm Snapdragon 8 Elite
AnTuTu 329457 3088357
Geekbench Single 321 3050
Geekbench Multi 1128 9300
Display 6.4" IPS LCD 6.6" AMOLED
Resolution 720x1560 2510x1156
Refresh rate 120 Hz
Battery 4000 mAh 7100 mAh
Charging 10W 100W
Main camera 16 MP 50 MP
Ultrawide 8 MP 8 MP
Telephoto 0 MP 50 MP
Front camera 8 MP 20 MP
RAM 3GB 12GB / 16GB
Storage 32GB 256GB / 512GB
OS Android 10 Android 16
Brightness (peak) 3500 nits
NFC no yes
Protection IP68
Dimensions 161.9×75.7×9.1 mm 157.5×75.3×8.0 mm
Weight 189 g 206 g
Price $401
Camera comparison
Motorola Moto G Fast
  • Main: 16MP f/f/1.7
  • Ultrawide: 8MP
  • Front: 8MP
5
camera
Redmi K90
  • Main: 50MP f/f/1.9
  • Ultrawide: 8MP
  • Telephoto: 50MP
  • Front: 20MP
53
camera
Display comparison
Motorola Moto G Fast
  • 6.4" IPS LCD
  • Resolution: 720x1560
  • Refresh rate: —
0
display
Redmi K90
  • 6.6" AMOLED
  • Resolution: 2510x1156
  • Refresh rate: 120 Hz
100
display
Battery and charging
Motorola Moto G Fast
  • 4000 mAh
  • Wired: 10W
  • No wireless charging
12
battery
Redmi K90
  • 7100 mAh
  • Wired: 100W
  • No wireless charging
71
battery
Overall performance score

We compared Motorola Moto G Fast and Redmi K90, covering their specs and all relevant benchmarks.

Motorola Moto G Fast Qualcomm Snapdragon 665
8/100
329457 AnTuTu
Redmi K90 Qualcomm Snapdragon 8 Elite
68/100 +89.3%
3088357 AnTuTu

Redmi K90 leads Motorola Moto G Fast by 89.3% in our overall performance rating.

Benchmarks
Price and availability
Motorola Moto G Fast
Price unknown
Redmi K90
$401
Detailed category analysis
performance

In the "performance" category, the Redmi K90 significantly outperforms the Motorola Moto G Fast (69/100 vs 0/100).

display

In the "display" category, the Redmi K90 significantly outperforms the Motorola Moto G Fast (100/100 vs 0/100).

camera

In the "camera" category, the Redmi K90 significantly outperforms the Motorola Moto G Fast (53/100 vs 5/100).

battery

In the "battery" category, the Redmi K90 significantly outperforms the Motorola Moto G Fast (71/100 vs 12/100).

design

In the "design" category, the Motorola Moto G Fast notably outperforms the Redmi K90 (63/100 vs 42/100).

value for money

In the "value for money" category, the Redmi K90 notably outperforms the Motorola Moto G Fast (82/100 vs 55/100).

Frequently asked questions
Which is better: the Motorola Moto G Fast or the Redmi K90?

The Redmi K90 significantly outperforms the Motorola Moto G Fast by 60 points (68/100 vs 8/100).

What is the rating of the Motorola Moto G Fast and the Redmi K90?

The Motorola Moto G Fast has a MobileRank rating of 8/100, the Redmi K90 — 68/100.

Which has the better camera: the Motorola Moto G Fast or the Redmi K90?

The Redmi K90 leads on camera score (53/100 vs 5/100).

Which is more powerful: the Motorola Moto G Fast or the Redmi K90?

The Redmi K90 leads on performance (69/100 vs 0/100).

Should you choose the Motorola Moto G Fast over the Redmi K90?

The Motorola Moto G Fast is a better fit for everyday use. The Redmi K90 is a better fit for active users, budget-conscious buyers.