Nothing Phone (4b) vs Oppo K13

The Nothing Phone (4b) (2026) runs on the Qualcomm Snapdragon 6 Gen 4, while the Oppo K13 (2025) runs on the Qualcomm Snapdragon 6 Gen 4. Both devices score the same overall rating of 55/100. Key differences: the Oppo K13 has the bigger battery (7000 mAh vs 5200).

Both devices scored the same rating of 55/100 — the choice comes down to your priorities.
Profile comparison
Category scores
Nothing Phone (4b)
Performance 58
Display 79
Camera 35
Battery 59
Portability 47
Value for money 50
Oppo K13
Performance 58
Display 79
Camera 32
Battery 68
Portability 49
Value for money
What makes Nothing Phone (4b) better?

  • Better camera (35/100 vs 32/100)
What makes Oppo K13 better?
  • Bigger battery: 7000 vs 5200 mAh
  • Faster charging: 80W vs 33W
  • Lighter: 208g vs 210g

  • Longer battery life (68/100 vs 59/100)
  • Better portability (49/100 vs 47/100)
Comparison verdict

The Nothing Phone (4b) and the Oppo K13 received the same MobileRank rating — 55/100. In the "performance" category, both devices are on the same level — 58/100. In the "display" category, both devices are on the same level — 79/100. In the "camera" category, the Nothing Phone (4b) and the Oppo K13 are nearly equal (35/100 vs 32/100). In the "battery" category, the Oppo K13 is a bit better (68/100 vs 59/100). In the "portability" category, the Oppo K13 and the Nothing Phone (4b) are nearly equal (49/100 vs 47/100).

Nothing Phone (4b): The Nothing Phone (4b) is a better fit for everyday use.
Oppo K13: The Oppo K13 is a better fit for everyday use.
Specs comparison
Specification Nothing Phone (4b) Oppo K13
Processor Qualcomm Snapdragon 6 Gen 4 Qualcomm Snapdragon 6 Gen 4
AnTuTu 969048 969048
Geekbench Single 1071 1071
Geekbench Multi 3057 3057
Display 6.8" AMOLED 6.7" AMOLED
Resolution 1080x2344 1080x2400
Refresh rate 120 Hz 120 Hz
Battery 5200 mAh 7000 mAh
Charging 33W 80W
Main camera 50 MP 50 MP
Ultrawide 8 MP 0 MP
Front camera 16 MP 16 MP
RAM 8GB 8GB
Storage 128GB / 256GB 128GB / 256GB
OS Android 16 Android 15, up to 2 major Android upgrades, ColorOS 15
Brightness (peak) 2000 nits 1200 nits
NFC yes
Protection IP64 IP65
Dimensions 164.4×78.2×8.6 mm 163.2×76.1×8.5 mm
Weight 210 g 208 g
Launch price $355
Camera comparison
Nothing Phone (4b)
  • Main: 50MP f/1.8
  • Ultrawide: 8MP
  • Front: 16MP
35
camera
Oppo K13
  • Main: 50MP f/f/1.9
  • Front: 16MP
32
camera
Display comparison
Nothing Phone (4b)
  • 6.8" AMOLED
  • Resolution: 1080x2344
  • Refresh rate: 120 Hz
79
display
Oppo K13
  • 6.7" AMOLED
  • Resolution: 1080x2400
  • Refresh rate: 120 Hz
79
display
Battery and charging
Nothing Phone (4b)
  • 5200 mAh
  • Wired: 33W
  • Wireless charging: no data
59
battery
Oppo K13
  • 7000 mAh
  • Wired: 80W
  • No wireless charging
68
battery
Overall performance score

We compared Nothing Phone (4b) and Oppo K13, covering their specs and all relevant benchmarks.

Nothing Phone (4b) Qualcomm Snapdragon 6 Gen 4
55/100
969048 AnTuTu
Oppo K13 Qualcomm Snapdragon 6 Gen 4
55/100
969048 AnTuTu

Equal performance based on benchmark results.

Benchmarks
Launch prices and where to check today's
Nothing Phone (4b)
$355
Oppo K13
Price unknown
Detailed category analysis
performance

In the "performance" category, both devices are on the same level — 58/100.

display

In the "display" category, both devices are on the same level — 79/100.

camera

In the "camera" category, the Nothing Phone (4b) and the Oppo K13 are nearly equal (35/100 vs 32/100).

battery

In the "battery" category, the Oppo K13 is a bit better (68/100 vs 59/100).

portability

In the "portability" category, the Oppo K13 and the Nothing Phone (4b) are nearly equal (49/100 vs 47/100).

Frequently asked questions
Which is better: the Nothing Phone (4b) or the Oppo K13?

Both devices scored 55/100. The choice depends on your priorities: if performance matters more — go with the Oppo K13.

What is the rating of the Nothing Phone (4b) and the Oppo K13?

The Nothing Phone (4b) has a MobileRank rating of 55/100, the Oppo K13 — 55/100.

Should you choose the Nothing Phone (4b) over the Oppo K13?

The Nothing Phone (4b) is a better fit for everyday use. The Oppo K13 is a better fit for everyday use.