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Galaxy S26 Ultra Performance Deep Dive: Comparing Heat, Throttling, and AI Performance (vs S25U & iPhone 17 Pro Max)
This video focuses on analyzing the Snapdragon 8 Elite Gen5 chipset performance of the Galaxy S26 Ultra. Through comparisons with the previous S25 Ultra and iPhone 17 Pro Max, it covers GPU throttling, CPU core performance, 3DMark scores, AI performance, and thermal management in detail. Overall, the S26 Ultra shows improved performance compared to its predecessor, but shows some differences in comparison with the iPhone 17 Pro Max.
1. 🚀 Galaxy S26 Ultra Unveiled and Initial Performance Tests: In-depth GPU Throttling Analysis
- ✅ Galaxy S26 Ultra unveiled with Snapdragon 8 Elite Gen5.
- ✅ Performance comparison tests conducted with S25 Ultra and iPhone 17 Pro Max.
- ✅ Real-world performance assessed through GPU throttling tests that measure real-time 3D rendering speed.
00:00 - 00:33
1. 🚀 Galaxy S26 Ultra Unveiled and Initial Performance Tests: In-depth GPU Throttling Analysis
- ✅ Galaxy S26 Ultra unveiled with Snapdragon 8 Elite Gen5.
- ✅ Performance comparison tests conducted with S25 Ultra and iPhone 17 Pro Max.
- ✅ Real-world performance assessed through GPU throttling tests that measure real-time 3D rendering speed.
00:34 - 01:27
2. 📊 GPU Throttling and CPU Performance Benchmark Results Comparison: S26U vs S25U vs iPhone 17 Pro Max
- ✅ GPU throttling test results show that the real-time FPS of the S26 Ultra is maintained higher than the S25 Ultra.
- ✅ The practical performance of the S26 Ultra is improved by about 44% compared to its predecessor.
- ✅ Geekbench 6 score: Single core is 3% lower than iPhone 17 Pro Max, but multi-core is 13% higher.
| 항목 | S26 울트라 vs S25 울트라 | S26 울트라 vs 아이폰 17 프로맥스 |
|---|---|---|
| Single Core | 17% Improved | 3% Lower |
| Multi Core | 11% Improved | 13% Higher |
01:28 - 02:49
3. 🎮 Graphics Performance and Throttling Tests via 3DMark: Wildlife Extreme & Solarbay Comparison
- ✅ 3DMark score: 5~9% improvement compared to S25 Ultra.
- ✅ Wildlife Extreme Stress Test: Peak performance is 24% higher than iPhone 17 Pro Max, and real-world performance is 15% higher.
- ✅ Solarbay Stress Test: Peak performance is 11% higher than iPhone 17 Pro Max, and real-world performance is 6% higher.
| 테스트 | S26 울트라 vs S25 울트라 (최고 성능) | S26 울트라 vs S25 울트라 (실사용 성능) | S26 울트라 vs 아이폰 17 프로맥스 (최고 성능) | S26 울트라 vs 아이폰 17 프로맥스 (실사용 성능) |
|---|---|---|---|---|
| Wildlife Extreme | 9% Higher | 16% Higher | 24% Higher | 15% Higher |
| Solarbay | 9% Higher | 19% Higher | 11% Higher | 6% Higher |
02:50 - 03:41
4. 🧠 AI Performance Analysis: TensorFlow Lite and Apple Core ML Framework Comparison
- ✅ Qualcomm Neural Network CPU and GPU both scored higher than S25 Ultra.
- ✅ When compared to the iPhone 17 Pro Max, the iPhone leads in most areas, but the S26 Ultra is superior in the Quantize score of the Qualcomm Neural Network.
- ✅ Galaxy is rated as superior in terms of AI type, function, and user-perceived performance.
| 항목 | S26 울트라 vs S25 울트라 | S26 울트라 vs 아이폰 17 프로맥스 |
|---|---|---|
| CPU, GPU (Qualcomm) | Improved | iPhone Dominant |
| Quantize (Qualcomm vs Apple) | - | S26 Ultra Dominant |
03:42 - 04:32
5. 🌡️ Thermal Management Test: Measuring and Evaluating Temperature Changes During High-Load Operations
- ✅ Temperature measurement during 100% processor usage stress test, 4K video recording, and YouTube 4K video viewing.
- ✅ The thermal management level of the S26 Ultra is not bad, but it is slightly higher than the S25 Ultra and slightly lower than the iPhone 17 Pro Max.
- ✅ Despite the expansion of the vapor chamber area and the change of materials with excellent heat dissipation performance, the heat generation itself is slightly higher in the S26 Ultra.
04:33 - 05:33
6. ✅ Final Conclusion: Galaxy S26 Ultra Performance Summary and Overall Evaluation
- ✅ The S26 Ultra is improved by about 10~15% in peak performance and about 15~20% in sustained real-world performance compared to the S25 Ultra (up to 44% in some tests).
- ✅ Compared to the iPhone 17 Pro Max, the CPU single-core score is 3% lower, but in all other factors, the peak performance is about 11~24% better, and the sustained real-world performance is 6~15% better.
- ✅ There are some minor shortcomings in heat generation, but overall a satisfactory smartphone.