Realme GT 8 Pro vs Vivo X21i

The Realme GT 8 Pro (2025) runs on the Qualcomm Snapdragon 8 Elite Gen 5, while the Vivo X21i (2018) runs on the MediaTek Helio P60. By overall MobileRank rating, the Realme GT 8 Pro leads — 84/100 vs 29/100 (a 55-point difference). Key differences: the Realme GT 8 Pro has the bigger battery (6500 mAh vs 3425); the main camera is 50 MP vs 12 MP; the Realme GT 8 Pro is faster in AnTuTu (3,942,923 vs 232,802); the Vivo X21i is noticeably lighter (159g vs 207g).

The Realme GT 8 Pro significantly outperforms the Vivo X21i by 55 points (84/100 vs 29/100).
Profile comparison
Category scores
Realme GT 8 Pro
Performance 98
Display 84
Camera 73
Battery 83
Portability 52
Value for money 80
Vivo X21i
Performance 17
Display 82
Camera 15
Battery 15
Portability 94
Value for money
What makes Realme GT 8 Pro better?
  • Higher AnTuTu: 3942923 vs 232802
  • Better Geekbench Single: 3640 vs 341
  • Better Geekbench Multi: 11033 vs 779
  • Bigger battery: 6500 vs 3425 mAh
  • Better main camera: 50MP vs 12MP

  • Higher performance (98/100 vs 17/100)
  • Better camera (73/100 vs 15/100)
  • Longer battery life (83/100 vs 15/100)
  • Better display (84/100 vs 82/100)
What makes Vivo X21i better?
  • Lighter: 159g vs 207g

  • Better portability (94/100 vs 52/100)
Comparison verdict

Comparing the Realme GT 8 Pro vs the Vivo X21i, the Realme GT 8 Pro scores 55 points higher (84/100 vs 29/100). In the "performance" category, the Realme GT 8 Pro leads (98/100 vs 17/100). In the "camera" category, the Realme GT 8 Pro leads (73/100 vs 15/100). In the "battery" category, the Realme GT 8 Pro leads (83/100 vs 15/100). In the "performance" category, the Realme GT 8 Pro significantly outperforms the Vivo X21i (98/100 vs 17/100). In the "display" category, the Realme GT 8 Pro and the Vivo X21i are nearly equal (84/100 vs 82/100). In the "camera" category, the Realme GT 8 Pro significantly outperforms the Vivo X21i (73/100 vs 15/100). In the "battery" category, the Realme GT 8 Pro significantly outperforms the Vivo X21i (83/100 vs 15/100). In the "portability" category, the Vivo X21i significantly outperforms the Realme GT 8 Pro (94/100 vs 52/100).

Realme GT 8 Pro: The Realme GT 8 Pro is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.
Vivo X21i: The Vivo X21i is a better fit for everyday use.
Specs comparison
Specification Realme GT 8 Pro Vivo X21i
Processor Qualcomm Snapdragon 8 Elite Gen 5 MediaTek Helio P60
AnTuTu 3942923 232802
Geekbench Single 3640 341
Geekbench Multi 11033 779
Display 6.8" LTPO AMOLED 6.3" Super AMOLED
Resolution 2780x1264 1080x2280
Refresh rate 120 Hz
Battery 6500 mAh 3425 mAh
Charging 100W
Main camera 50 MP 12 MP
Ultrawide 50 MP 0 MP
Telephoto 50 MP 0 MP
Front camera 16 MP 24 MP
RAM 12GB / 16GB 4GB / 6GB
Storage 256GB / 512GB 64GB / 128GB
OS Android 15 Android 8.1 (Oreo); Funtouch 4
NFC no
Dimensions 154.4×75.0×7.0 mm
Weight 207 g 159 g
Launch price $599
Camera comparison
Realme GT 8 Pro
  • Main: 50MP f/1.6
  • Ultrawide: 50MP
  • Telephoto: 50MP
  • Front: 16MP
73
camera
Vivo X21i
  • Main: 12MP f/f/1.8
  • Front: 24MP
15
camera
Display comparison
Realme GT 8 Pro
  • 6.8" LTPO AMOLED
  • Resolution: 2780x1264
  • Refresh rate: 120 Hz
84
display
Vivo X21i
  • 6.3" Super AMOLED
  • Resolution: 1080x2280
  • Refresh rate: —
82
display
Battery and charging
Realme GT 8 Pro
  • 6500 mAh
  • Wired: 100W
  • Wireless charging: no data
83
battery
Vivo X21i
  • 3425 mAh
  • Wireless charging: no data
15
battery
Overall performance score

We compared Realme GT 8 Pro and Vivo X21i, covering their specs and all relevant benchmarks.

Realme GT 8 Pro Qualcomm Snapdragon 8 Elite Gen 5
84/100
3942923 AnTuTu
Vivo X21i MediaTek Helio P60
29/100 -1593.7%
232802 AnTuTu

Realme GT 8 Pro leads Vivo X21i by 1593.7% in our overall performance rating.

Benchmarks
Launch prices and where to check today's
Realme GT 8 Pro
$599
Vivo X21i
Price unknown
Detailed category analysis
performance

In the "performance" category, the Realme GT 8 Pro significantly outperforms the Vivo X21i (98/100 vs 17/100).

display

In the "display" category, the Realme GT 8 Pro and the Vivo X21i are nearly equal (84/100 vs 82/100).

camera

In the "camera" category, the Realme GT 8 Pro significantly outperforms the Vivo X21i (73/100 vs 15/100).

battery

In the "battery" category, the Realme GT 8 Pro significantly outperforms the Vivo X21i (83/100 vs 15/100).

portability

In the "portability" category, the Vivo X21i significantly outperforms the Realme GT 8 Pro (94/100 vs 52/100).

Frequently asked questions
Which is better: the Realme GT 8 Pro or the Vivo X21i?

The Realme GT 8 Pro significantly outperforms the Vivo X21i by 55 points (84/100 vs 29/100).

What is the rating of the Realme GT 8 Pro and the Vivo X21i?

The Realme GT 8 Pro has a MobileRank rating of 84/100, the Vivo X21i — 29/100.

Which has the better camera: the Realme GT 8 Pro or the Vivo X21i?

The Realme GT 8 Pro leads on camera score (73/100 vs 15/100).

Which is more powerful: the Realme GT 8 Pro or the Vivo X21i?

The Realme GT 8 Pro leads on performance (98/100 vs 17/100).

Should you choose the Realme GT 8 Pro over the Vivo X21i?

The Realme GT 8 Pro is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers. The Vivo X21i is a better fit for everyday use.