Looking for an honest Samsung Galaxy S24 Fe Fully 6.7in vs Samsung Galaxy S21 Ultra 5G comparison in 2026? We scored both smartphones on the same six-dimension framework — performance, battery, display, camera, design and value — using identical methodology, so the numbers below are directly comparable. In our overall scoring the Samsung Galaxy S24 Fe Fully 6.7in comes out ahead 75/100 to 52/100 — a 23-point gap. The widest gap is in performance, where the Samsung Galaxy S24 Fe Fully 6.7in pulls noticeably ahead. On price the Samsung Galaxy S21 Ultra 5G undercuts the Samsung Galaxy S24 Fe Fully 6.7in by 6% ($249.99 vs $265), which materially changes the value calculus for budget-conscious buyers.

Prices may vary · We may earn a commission on purchases. Learn more
Samsung Galaxy S24 Fe Fully 6.7in clearly outperforms the Samsung Galaxy S21 Ultra 5G in the smartphones category, especially in performance (benchmark 210 vs 75), scoring 75 vs 52. If you want the better overall smartphones, Samsung Galaxy S24 Fe Fully 6.7in is the recommended choice.
Picking Samsung Galaxy S24 Fe Fully 6.7in over Samsung Galaxy S21 Ultra 5G means trading these off.
Samsung
$265
Scores are relative within the smartphonescategory. Percentages show each dimension's weight in the overall score. A difference of less than 0.5 points is considered a tie.
✓ Pros
✗ Cons
✓ Pros
✗ Cons
| Spec | Samsung Galaxy S24 Fe Fully 6.7inW | Samsung Galaxy S21 Ultra 5G |
|---|---|---|
| Display | 6.2" | 6.8"✓ |
| Display Type | — | Dynamic AMOLED 2X |
| Resolution | — | 3200 x 1440 pixels |
| Refresh Rate | 120Hz | 120Hz |
| Brightness | — | 1750nits |
| HDR | — | HDR10+ |
| Protection | — | Gorilla Glass Victus |
| Chipset | Snapdragon 8 Gen 3 | Snapdragon 888 |
| CPU | — | Octa-core (2.9 GHz + 2.80 GHz + 2.2 GHz) |
| GPU | — | Mali-G78 MP14 / Adreno 660 |
| RAM | 8GB | 12GB✓ |
| Storage | 128GB | 128GB |
| Storage Options | — | 128GB, 256GB, 512GB |
| Main Camera | 50MP | 108MP✓ |
| Aperture | — | f/1.8 |
| OIS | — | Yes |
| Zoom | — | 10x optical |
| Video | — | 8K@24fps, 4K@60fps |
| Front Camera | 12MP | 40MP✓ |
| Battery | 4000mAh | 5000mAh✓ |
| Charging | 25W | 25W |
| Wireless Charging | — | 15W |
| OS | Android 14 | Android 11, upgradable to Android 14 |
| Wi-Fi | — | Wi-Fi 6E (802.11ax) |
| Bluetooth | — | Bluetooth 5.2 |
| NFC | — | Yes |
| USB | — | USB Type-C 3.2 |
| Water Resistance | IP68 | IP68 |
| Biometrics | — | Under-display fingerprint |
| Dimensions | — | 165.1 x 75.6 x 8.9 mm |
| Weight | 167g✓ | 228g |
| Colors | — | Phantom Black, Phantom Silver, Phantom Navy, Phantom Brown |
| Price | 265$ | 249.99$✓ |
Buy Samsung Galaxy S24 Fe Fully 6.7in if…
Buy the Samsung Galaxy S24 Fe Fully 6.7in if you want the best performance in this comparison. It scores higher overall and is the recommended choice for most buyers.
Buy Samsung Galaxy S21 Ultra 5G if…
The Samsung Galaxy S21 Ultra 5G is worth considering if you prefer its specific design, ecosystem, or brand — though it scores lower overall in our comparison.
Samsung Galaxy S24 Fe Fully 6.7in clearly outperforms the Samsung Galaxy S21 Ultra 5G in the smartphones category, especially in performance (benchmark 210 vs 75), scoring 75 vs 52. If you want the better overall smartphones, Samsung Galaxy S24 Fe Fully 6.7in is the recommended choice.
Yes, Samsung Galaxy S24 Fe Fully 6.7in scores higher overall (75 vs 52).
Samsung Galaxy S21 Ultra 5G is cheaper at $249.99 vs $265 for the Samsung Galaxy S24 Fe Fully 6.7in.
Buy the Samsung Galaxy S24 Fe Fully 6.7in if you want the best performance in this comparison. It scores higher overall and is the recommended choice for most buyers.
The Samsung Galaxy S21 Ultra 5G is worth considering if you prefer its specific design, ecosystem, or brand — though it scores lower overall in our comparison.
Samsung Galaxy S21 Ultra 5G has a larger battery (5,000mAh vs 4,000mAh for the Samsung Galaxy S24 Fe Fully 6.7in), which generally means longer use between charges.
Samsung Galaxy S21 Ultra 5G has the larger display (6.8" vs 6.2").
Samsung Galaxy S21 Ultra 5G has a higher-resolution main camera (108MP vs 50MP). Note that megapixels are one factor — sensor quality and processing also matter.
Samsung Galaxy S24 Fe Fully 6.7in is lighter at 167g vs 228g.
Samsung Galaxy S21 Ultra 5G has more RAM (12GB vs 8GB), which helps with multitasking.
Reviewed by VersusMatrix Editorial Team
Last updated: May 11, 2026
Methodology: AI-powered analysis of technical specifications from manufacturer data. Scores are calculated by comparing products across multiple dimensions and normalized relative to the full category database. Our editorial process is independent and not influenced by affiliate partnerships.