Vivo iQOO 15T vs Vivo X300 E
The Vivo iQOO 15T (2026) runs on the MediaTek Dimensity 9500, while the Vivo X300 E (2026) runs on the Qualcomm Snapdragon 8 Gen 5; launch prices were $499 and $651. By overall MobileRank rating, the Vivo iQOO 15T leads — 82/100 vs 79/100 (a 3-point difference). Key differences: the Vivo iQOO 15T has the bigger battery (8000 mAh vs 7200); the main camera is 200 MP vs 50 MP; the Vivo iQOO 15T is faster in AnTuTu (4,704,310 vs 2,886,527); the Vivo X300 E is noticeably lighter (200g vs 216g).
Profile comparison
Category scores
Vivo iQOO 15T
Vivo X300 E
What makes Vivo iQOO 15T better?
- Higher AnTuTu: 4704310 vs 2886527
- Better Geekbench Single: 3293 vs 2833
- Better Geekbench Multi: 10243 vs 9119
- Bigger battery: 8000 vs 7200 mAh
- Faster charging: 100W vs 90W
- Better main camera: 200MP vs 50MP
- Cheaper at launch: $499 vs $651
- Higher performance (97/100 vs 90/100)
- Better camera (65/100 vs 64/100)
- Longer battery life (75/100 vs 70/100)
- Better display (99/100 vs 94/100)
What makes Vivo X300 E better?
- Lighter: 200g vs 216g
- Better portability (61/100 vs 44/100)
Comparison verdict
Comparing the Vivo iQOO 15T vs the Vivo X300 E, the Vivo iQOO 15T scores 3 points higher (82/100 vs 79/100). Value score: Vivo iQOO 15T — 86/100, Vivo X300 E — 72/100; it shows how far a model sits above or below the usual level for its price, and is not part of the overall rating. In the "performance" category, the Vivo iQOO 15T is a bit better (97/100 vs 90/100). In the "display" category, the Vivo iQOO 15T is a bit better (99/100 vs 94/100). In the "camera" category, the Vivo iQOO 15T and the Vivo X300 E are nearly equal (65/100 vs 64/100). In the "battery" category, the Vivo iQOO 15T is a bit better (75/100 vs 70/100). In the "portability" category, the Vivo X300 E notably outperforms the Vivo iQOO 15T (61/100 vs 44/100).
Specs comparison
| Specification | Vivo iQOO 15T | Vivo X300 E | |
|---|---|---|---|
| Processor | MediaTek Dimensity 9500 | Qualcomm Snapdragon 8 Gen 5 | |
| AnTuTu | 4704310 | 2886527 | |
| Geekbench Single | 3293 | 2833 | |
| Geekbench Multi | 10243 | 9119 | |
| Display | 6.8" LTPO AMOLED | 6.6" AMOLED | |
| Resolution | 1440x3168 | 1260x2750 | |
| Refresh rate | 144 Hz | 144 Hz | |
| Battery | 8000 mAh | 7200 mAh | |
| Charging | 100W | 90W | |
| Main camera | 200 MP | 50 MP | |
| Ultrawide | 50 MP | 8 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 16 MP | 50 MP | |
| RAM | 12GB / 16GB | 12GB | |
| Storage | 256GB / 512GB / 1TB | 256GB / 512GB | |
| OS | Android 16 | Android 16 | |
| Brightness (peak) | — | 5000 nits | |
| NFC | yes | yes | |
| Protection | IP68 | IP68/IP69 | |
| Dimensions | — | 157.5×74.3×7.8 mm | |
| Weight | 216 g | 200 g | |
| Launch price | $499 | $651 |
Camera comparison
Vivo iQOO 15T
- Main: 200MP f/1.8
- Ultrawide: 50MP
- Front: 16MP
Vivo X300 E
- Main: 50MP f/1.9
- Ultrawide: 8MP
- Telephoto: 50MP
- Front: 50MP
Display comparison
Vivo iQOO 15T
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
Vivo X300 E
- 6.6" AMOLED
- Resolution: 1260x2750
- Refresh rate: 144 Hz
Battery and charging
Vivo iQOO 15T
- 8000 mAh
- Wired: 100W
- No wireless charging
Vivo X300 E
- 7200 mAh
- Wired: 90W
- No wireless charging
Overall performance score
We compared Vivo iQOO 15T and Vivo X300 E, covering their specs and all relevant benchmarks.
Vivo iQOO 15T leads Vivo X300 E by 63.0% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $152. Vivo iQOO 15T was $152 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Vivo iQOO 15T is a bit better (97/100 vs 90/100).
display
In the "display" category, the Vivo iQOO 15T is a bit better (99/100 vs 94/100).
camera
In the "camera" category, the Vivo iQOO 15T and the Vivo X300 E are nearly equal (65/100 vs 64/100).
battery
In the "battery" category, the Vivo iQOO 15T is a bit better (75/100 vs 70/100).
portability
In the "portability" category, the Vivo X300 E notably outperforms the Vivo iQOO 15T (61/100 vs 44/100).
Frequently asked questions
Which is better: the Vivo iQOO 15T or the Vivo X300 E?
The Vivo iQOO 15T edges out the Vivo X300 E by just 3 points — the two devices are very close in overall level.
What is the rating of the Vivo iQOO 15T and the Vivo X300 E?
The Vivo iQOO 15T has a MobileRank rating of 82/100, the Vivo X300 E — 79/100.
Which is more powerful: the Vivo iQOO 15T or the Vivo X300 E?
The Vivo iQOO 15T leads on performance (97/100 vs 90/100).
Should you choose the Vivo iQOO 15T over the Vivo X300 E?
The Vivo iQOO 15T is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers. The Vivo X300 E is a better fit for gamers and power users.