QC Ultra Earbuds 2 Earbuds
In-ear TWS · ANC · 6.5h/24h · aptX Adaptive · BT 5.3
MSRP
Px7 S3 Headphones
Over-ear · ANC · 30h · aptX Adaptive · BT 5.2
MSRP
Our verdict
The QC Ultra Earbuds 2 Earbuds takes the performance lead with a 2% higher overall score, driven by its more shader cores, more of memory, and higher TFLOPS of compute power. In gaming benchmarks at 1440p, it delivers roughly 0% more frames per second across demanding titles like Cyberpunk 2077 and Alan Wake 2.
However, the QC Ultra Earbuds 2 Earbuds tells a compelling value story. At $300 versus the Px7 S3 Headphones's $400 price tag, it costs 33% less while delivering performance that's only 2% behind. Its of memory is still more than enough for 1440p and even 4K gaming in most titles.
Our recommendation: for the majority of gamers targeting 1440p or even 4K with upscaling enabled, the QC Ultra Earbuds 2 Earbuds is the smarter purchase. The Px7 S3 Headphones only makes sense if you need the absolute maximum performance for native 4K ray tracing, professional 3D rendering, or AI workloads where the extra VRAM and compute power provide a tangible advantage.
Performance winner
QC Ultra Earbuds 2 Earbuds
2% faster overall
Best value for money
QC Ultra Earbuds 2 Earbuds
9% better value per dollar
QC Ultra Earbuds 2 Earbuds best for
Value for money
2% faster overall
Audio
Battery
Comfort
Connectivity
Noise Cancellation
Frequently asked questions
Is the Px7 S3 Headphones worth $100 more than the QC Ultra Earbuds 2 Earbuds?
It depends on your needs. The Px7 S3 Headphones scores 86 overall vs 84 for the QC Ultra Earbuds 2 Earbuds. If you need the extra performance for demanding tasks, the premium is justified. For most users gaming at 1440p or below, the QC Ultra Earbuds 2 Earbuds offers better value.
Which GPU is better for 1440p gaming, the QC Ultra Earbuds 2 Earbuds or Px7 S3 Headphones?
The QC Ultra Earbuds 2 Earbuds delivers higher frame rates at 1440p, but both GPUs handle 1440p gaming well. The QC Ultra Earbuds 2 Earbuds provides more headroom for ray tracing and future titles, while the Px7 S3 Headphones still maintains smooth gameplay in current games.
Can the Px7 S3 Headphones handle 4K gaming?
The Px7 S3 Headphones can handle 4K gaming in less demanding titles and with upscaling technologies like DLSS or FSR. For native 4K at ultra settings in demanding games, the QC Ultra Earbuds 2 Earbuds is the better choice with its higher performance ceiling.
Which should I buy, the QC Ultra Earbuds 2 Earbuds or Px7 S3 Headphones?
Choose the QC Ultra Earbuds 2 Earbuds if you want the best value for money and primarily game at 1080p or 1440p. Choose the Px7 S3 Headphones if you need maximum performance, play at 4K, or do professional workloads like video editing and 3D rendering.
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