Realme GT7 (China) vs Vivo X21i

The Realme GT7 (China) (2025) runs on the MediaTek Dimensity 9400+, while the Vivo X21i (2018) runs on the MediaTek Helio P60. By overall MobileRank rating, the Realme GT7 (China) leads — 71/100 vs 29/100 (a 42-point difference). Key differences: the Realme GT7 (China) has the bigger battery (7200 mAh vs 3425); the main camera is 50 MP vs 12 MP; the Realme GT7 (China) is faster in AnTuTu (2,835,794 vs 232,802); the Realme GT7 (China) has NFC for contactless payments, the Vivo X21i doesn't; the Vivo X21i is noticeably lighter (159g vs 203g).

The Realme GT7 (China) significantly outperforms the Vivo X21i by 42 points (71/100 vs 29/100).
Profile comparison
Category scores
Realme GT7 (China)
Performance 89
Display 94
Camera 35
Battery 72
Portability 54
Value for money
Vivo X21i
Performance 17
Display 82
Camera 15
Battery 15
Portability 94
Value for money
What makes Realme GT7 (China) better?
  • Higher AnTuTu: 2835794 vs 232802
  • Better Geekbench Single: 2729 vs 341
  • Better Geekbench Multi: 8430 vs 779
  • Bigger battery: 7200 vs 3425 mAh
  • Better main camera: 50MP vs 12MP

  • Higher performance (89/100 vs 17/100)
  • Better camera (35/100 vs 15/100)
  • Longer battery life (72/100 vs 15/100)
  • Better display (94/100 vs 82/100)
What makes Vivo X21i better?
  • Lighter: 159g vs 203g

  • Better portability (94/100 vs 54/100)
Comparison verdict

Comparing the Realme GT7 (China) vs the Vivo X21i, the Realme GT7 (China) scores 42 points higher (71/100 vs 29/100). In the "performance" category, the Realme GT7 (China) leads (89/100 vs 17/100). In the "camera" category, the Realme GT7 (China) leads (35/100 vs 15/100). In the "battery" category, the Realme GT7 (China) leads (72/100 vs 15/100). In the "performance" category, the Realme GT7 (China) significantly outperforms the Vivo X21i (89/100 vs 17/100). In the "display" category, the Realme GT7 (China) is a bit better (94/100 vs 82/100). In the "camera" category, the Realme GT7 (China) notably outperforms the Vivo X21i (35/100 vs 15/100). In the "battery" category, the Realme GT7 (China) significantly outperforms the Vivo X21i (72/100 vs 15/100). In the "portability" category, the Vivo X21i significantly outperforms the Realme GT7 (China) (94/100 vs 54/100).

Realme GT7 (China): The Realme GT7 (China) is a better fit for gamers and power users.
Vivo X21i: The Vivo X21i is a better fit for everyday use.
Specs comparison
Specification Realme GT7 (China) Vivo X21i
Processor MediaTek Dimensity 9400+ MediaTek Helio P60
AnTuTu 2835794 232802
Geekbench Single 2729 341
Geekbench Multi 8430 779
Display 6.8" AMOLED 6.3" Super AMOLED
Resolution 1280x2800 1080x2280
Refresh rate 144 Hz
Battery 7200 mAh 3425 mAh
Charging 100W
Main camera 50 MP 12 MP
Ultrawide 8 MP 0 MP
Front camera 16 MP 24 MP
RAM 12GB / 16GB 4GB / 6GB
Storage 256GB / 512GB / 1TB 64GB / 128GB
OS Android 15, Realme UI 6.0 Android 8.1 (Oreo); Funtouch 4
Brightness (peak) 6500 nits
NFC yes no
Protection IP68
Dimensions 162.4×76.0×8.3 mm 154.4×75.0×7.0 mm
Weight 203 g 159 g
Launch price
Camera comparison
Realme GT7 (China)
  • Main: 50MP f/f/1.8
  • Ultrawide: 8MP
  • Front: 16MP
35
camera
Vivo X21i
  • Main: 12MP f/f/1.8
  • Front: 24MP
15
camera
Display comparison
Realme GT7 (China)
  • 6.8" AMOLED
  • Resolution: 1280x2800
  • Refresh rate: 144 Hz
94
display
Vivo X21i
  • 6.3" Super AMOLED
  • Resolution: 1080x2280
  • Refresh rate: —
82
display
Battery and charging
Realme GT7 (China)
  • 7200 mAh
  • Wired: 100W
  • No wireless charging
72
battery
Vivo X21i
  • 3425 mAh
  • Wireless charging: no data
15
battery
Overall performance score

We compared Realme GT7 (China) and Vivo X21i, covering their specs and all relevant benchmarks.

Realme GT7 (China) MediaTek Dimensity 9400+
71/100
2835794 AnTuTu
Vivo X21i MediaTek Helio P60
29/100 -1118.1%
232802 AnTuTu

Realme GT7 (China) leads Vivo X21i by 1118.1% in our overall performance rating.

Benchmarks
Detailed category analysis
performance

In the "performance" category, the Realme GT7 (China) significantly outperforms the Vivo X21i (89/100 vs 17/100).

display

In the "display" category, the Realme GT7 (China) is a bit better (94/100 vs 82/100).

camera

In the "camera" category, the Realme GT7 (China) notably outperforms the Vivo X21i (35/100 vs 15/100).

battery

In the "battery" category, the Realme GT7 (China) significantly outperforms the Vivo X21i (72/100 vs 15/100).

portability

In the "portability" category, the Vivo X21i significantly outperforms the Realme GT7 (China) (94/100 vs 54/100).

Frequently asked questions
Which is better: the Realme GT7 (China) or the Vivo X21i?

The Realme GT7 (China) significantly outperforms the Vivo X21i by 42 points (71/100 vs 29/100).

What is the rating of the Realme GT7 (China) and the Vivo X21i?

The Realme GT7 (China) has a MobileRank rating of 71/100, the Vivo X21i — 29/100.

Which has the better camera: the Realme GT7 (China) or the Vivo X21i?

The Realme GT7 (China) leads on camera score (35/100 vs 15/100).

Which is more powerful: the Realme GT7 (China) or the Vivo X21i?

The Realme GT7 (China) leads on performance (89/100 vs 17/100).

Should you choose the Realme GT7 (China) over the Vivo X21i?

The Realme GT7 (China) is a better fit for gamers and power users. The Vivo X21i is a better fit for everyday use.