Realme GT7 (China) vs Vivo Y21

The Realme GT7 (China) (2025) runs on the MediaTek Dimensity 9400+, while the Vivo Y21 (2026) runs on the MediaTek Dimensity 6300. By overall MobileRank rating, the Realme GT7 (China) leads — 71/100 vs 44/100 (a 27-point difference). Key differences: the Realme GT7 (China) has the bigger battery (7200 mAh vs 6500); the Realme GT7 (China) is faster in AnTuTu (2,835,794 vs 524,785).

The Realme GT7 (China) significantly outperforms the Vivo Y21 by 27 points (71/100 vs 44/100).
Profile comparison
Category scores
Realme GT7 (China)
Performance 89
Display 94
Camera 35
Battery 72
Portability 54
Value for money
Vivo Y21
Performance 43
Display 55
Camera 30
Battery 58
Portability 49
Value for money 56
What makes Realme GT7 (China) better?
  • Higher AnTuTu: 2835794 vs 524785
  • Better Geekbench Single: 2729 vs 771
  • Better Geekbench Multi: 8430 vs 1980
  • Bigger battery: 7200 vs 6500 mAh
  • Faster charging: 100W vs 44W
  • Higher refresh rate: 144Hz vs 120Hz
  • Lighter: 203g vs 209g

  • Higher performance (89/100 vs 43/100)
  • Better camera (35/100 vs 30/100)
  • Longer battery life (72/100 vs 58/100)
  • Better display (94/100 vs 55/100)
  • Better portability (54/100 vs 49/100)
What makes Vivo Y21 better?

  • Overall rating 44/100
Comparison verdict

Comparing the Realme GT7 (China) vs the Vivo Y21, the Realme GT7 (China) scores 27 points higher (71/100 vs 44/100). In the "performance" category, the Realme GT7 (China) leads (89/100 vs 43/100). In the "battery" category, the Realme GT7 (China) leads (72/100 vs 58/100). In the "performance" category, the Realme GT7 (China) significantly outperforms the Vivo Y21 (89/100 vs 43/100). In the "display" category, the Realme GT7 (China) significantly outperforms the Vivo Y21 (94/100 vs 55/100). In the "camera" category, the Realme GT7 (China) is a bit better (35/100 vs 30/100). In the "battery" category, the Realme GT7 (China) is a bit better (72/100 vs 58/100). In the "portability" category, the Realme GT7 (China) is a bit better (54/100 vs 49/100).

Realme GT7 (China): The Realme GT7 (China) is a better fit for gamers and power users.
Vivo Y21: The Vivo Y21 is a better fit for everyday use.
Specs comparison
Specification Realme GT7 (China) Vivo Y21
Processor MediaTek Dimensity 9400+ MediaTek Dimensity 6300
AnTuTu 2835794 524785
Geekbench Single 2729 771
Geekbench Multi 8430 1980
Display 6.8" AMOLED 6.7" IPS LCD
Resolution 1280x2800 720x1600
Refresh rate 144 Hz 120 Hz
Battery 7200 mAh 6500 mAh
Charging 100W 44W
Main camera 50 MP 50 MP
Ultrawide 8 MP 0 MP
Front camera 16 MP 5 MP
RAM 12GB / 16GB 4GB / 6GB / 8GB
Storage 256GB / 512GB / 1TB 128GB
OS Android 15, Realme UI 6.0 Android 16, OriginOS 6
Brightness (peak) 6500 nits 1200 nits
NFC yes yes
Protection IP68 IP65
Dimensions 162.4×76.0×8.3 mm 167.4×77.1×8.4 mm
Weight 203 g 209 g
Launch price $178
Camera comparison
Realme GT7 (China)
  • Main: 50MP f/f/1.8
  • Ultrawide: 8MP
  • Front: 16MP
35
camera
Vivo Y21
  • Main: 50MP f/f/1.8
  • Front: 5MP
30
camera
Display comparison
Realme GT7 (China)
  • 6.8" AMOLED
  • Resolution: 1280x2800
  • Refresh rate: 144 Hz
94
display
Vivo Y21
  • 6.7" IPS LCD
  • Resolution: 720x1600
  • Refresh rate: 120 Hz
55
display
Battery and charging
Realme GT7 (China)
  • 7200 mAh
  • Wired: 100W
  • No wireless charging
72
battery
Vivo Y21
  • 6500 mAh
  • Wired: 44W
  • No wireless charging
58
battery
Overall performance score

We compared Realme GT7 (China) and Vivo Y21, covering their specs and all relevant benchmarks.

Realme GT7 (China) MediaTek Dimensity 9400+
71/100
2835794 AnTuTu
Vivo Y21 MediaTek Dimensity 6300
44/100 -440.4%
524785 AnTuTu

Realme GT7 (China) leads Vivo Y21 by 440.4% in our overall performance rating.

Benchmarks
Launch prices and where to check today's
Realme GT7 (China)
Price unknown
Vivo Y21
$178
Detailed category analysis
performance

In the "performance" category, the Realme GT7 (China) significantly outperforms the Vivo Y21 (89/100 vs 43/100).

display

In the "display" category, the Realme GT7 (China) significantly outperforms the Vivo Y21 (94/100 vs 55/100).

camera

In the "camera" category, the Realme GT7 (China) is a bit better (35/100 vs 30/100).

battery

In the "battery" category, the Realme GT7 (China) is a bit better (72/100 vs 58/100).

portability

In the "portability" category, the Realme GT7 (China) is a bit better (54/100 vs 49/100).

Frequently asked questions
Which is better: the Realme GT7 (China) or the Vivo Y21?

The Realme GT7 (China) significantly outperforms the Vivo Y21 by 27 points (71/100 vs 44/100).

What is the rating of the Realme GT7 (China) and the Vivo Y21?

The Realme GT7 (China) has a MobileRank rating of 71/100, the Vivo Y21 — 44/100.

Which has the better camera: the Realme GT7 (China) or the Vivo Y21?

The Realme GT7 (China) leads on camera score (35/100 vs 30/100).

Which is more powerful: the Realme GT7 (China) or the Vivo Y21?

The Realme GT7 (China) leads on performance (89/100 vs 43/100).

Should you choose the Realme GT7 (China) over the Vivo Y21?

The Realme GT7 (China) is a better fit for gamers and power users. The Vivo Y21 is a better fit for everyday use.