Galaxy S25 Case Compatibility: Does Your S24 or S23 Case Fit?
By WillItSnap Team · March 15, 2026
Samsung's Galaxy S25 series brings refinements across the board, but the big question for upgraders remains: will your old Galaxy case fit? Whether you're coming from the S24 or the S23, this guide uses real dimension data from our database to give you a definitive answer for every S25 model.
The standard Galaxy S25 measures 146.9mm x 70.5mm x 7.2mm with a vertical-triple camera layout and usb-c port. It weighs 162g.
Quick answer for S24 owners: A Galaxy S24 case on the S25 scores 100/100 — it should fit perfectly.
Galaxy S25 Series: Full Dimensions
Samsung's S25 lineup includes 3 models. Here are their exact dimensions:
| Model | Height (mm) | Width (mm) | Thickness (mm) | Weight (g) | Camera Layout | Port |
|---|---|---|---|---|---|---|
| Samsung Galaxy S25 | 146.9 | 70.5 | 7.2 | 162 | vertical-triple | usb-c |
| Samsung Galaxy S25+ | 158.4 | 75.8 | 7.3 | 190 | vertical-triple | usb-c |
| Samsung Galaxy S25 Ultra | 162.8 | 77.6 | 8.2 | 218 | vertical-quad | usb-c |
Galaxy S24 vs S25: Case Compatibility
The S24 to S25 is the most common upgrade path. Let's examine each model pairing:
✅ Galaxy S24 Case on Galaxy S25
Height difference: 0.1mm | Width difference: 0.1mm | Thickness difference: 0.4mm
Compatibility Score: 100/100 — Yes — Perfect Fit
A Galaxy S24 case should fit the Galaxy S25 with no issues. The phones share nearly identical dimensions and features.
View full compatibility details →✅ Galaxy S24+ Case on Galaxy S25+
Compatibility Score: 100/100 — Yes — Perfect Fit
A Galaxy S24+ case should fit the Galaxy S25+ with no issues. The phones share nearly identical dimensions and features.
View full compatibility details →❌ Galaxy S24 Ultra Case on Galaxy S25 Ultra
The S25 Ultra is 77.6mm wide vs 79mm for the S24 Ultra — a 1.4mm difference.
Compatibility Score: 60/100 — No — Will Not Fit
- Width difference too large — case won't fit
A Galaxy S24 Ultra case will NOT fit the Galaxy S25 Ultra. Key issues: Width difference too large — case won't fit. You'll need a new case designed for the Galaxy S25 Ultra.
View full compatibility details →S24 vs S25 Side-by-Side
| Model | Height (mm) | Width (mm) | Thickness (mm) | Weight (g) | Camera Layout | Port |
|---|---|---|---|---|---|---|
| Samsung Galaxy S24 | 147 | 70.6 | 7.6 | 167 | vertical-triple | usb-c |
| Samsung Galaxy S24+ | 158.5 | 75.9 | 7.7 | 196 | vertical-triple | usb-c |
| Samsung Galaxy S24 Ultra | 162.3 | 79 | 8.6 | 232 | vertical-quad | usb-c |
| Samsung Galaxy S25 | 146.9 | 70.5 | 7.2 | 162 | vertical-triple | usb-c |
| Samsung Galaxy S25+ | 158.4 | 75.8 | 7.3 | 190 | vertical-triple | usb-c |
| Samsung Galaxy S25 Ultra | 162.8 | 77.6 | 8.2 | 218 | vertical-quad | usb-c |
Galaxy S23 to S25: Two Generations Apart
Skipping the S24 entirely? Here's how S23 cases hold up against the S25 series:
❌ Galaxy S23 Case on Galaxy S25
Compatibility Score: 65/100 — No — Will Not Fit
- Slight height difference — case may be tight or loose
- Slight width difference
A Galaxy S23 case will NOT fit the Galaxy S25. Key issues: Slight height difference — case may be tight or loose; Slight width difference. You'll need a new case designed for the Galaxy S25.
❌ Galaxy S23+ Case on Galaxy S25+
Compatibility Score: 65/100 — No — Will Not Fit
- Slight height difference — case may be tight or loose
- Slight width difference
A Galaxy S23+ case will NOT fit the Galaxy S25+. Key issues: Slight height difference — case may be tight or loose; Slight width difference. You'll need a new case designed for the Galaxy S25+.
❌ Galaxy S23 Ultra Case on Galaxy S25 Ultra
Compatibility Score: 45/100 — No — Will Not Fit
- Slight height difference — case may be tight or loose
- Slight width difference
- Thickness difference may cause loose fit
A Galaxy S23 Ultra case will NOT fit the Galaxy S25 Ultra. Key issues: Slight height difference — case may be tight or loose; Slight width difference; Thickness difference may cause loose fit. You'll need a new case designed for the Galaxy S25 Ultra.
Galaxy Ultra Evolution: S23 to S25
The Ultra line has seen notable design changes over the years. Here's how the dimensions have shifted:
| Model | Height (mm) | Width (mm) | Thickness (mm) | Weight (g) | Camera Layout | Port |
|---|---|---|---|---|---|---|
| Samsung Galaxy S23 Ultra | 163.4 | 78.1 | 8.9 | 234 | vertical-quad | usb-c |
| Samsung Galaxy S24 Ultra | 162.3 | 79 | 8.6 | 232 | vertical-quad | usb-c |
| Samsung Galaxy S25 Ultra | 162.8 | 77.6 | 8.2 | 218 | vertical-quad | usb-c |
Key dimension change: The S25 Ultra width is 77.6mm vs the S24 Ultra at 79mm — a 1.4mm difference. The height went from 162.3mm to 162.8mm.
Can S25 Models Share Cases?
Short answer: no. Each S25 model has different dimensions:
❌ Galaxy S25 ↔ Galaxy S25+
S25: 146.9 x 70.5mm vs S25+: 158.4 x 75.8mm. That's a 11.5mm height difference.
Score: 5/100. A Galaxy S25 case will NOT fit the Galaxy S25+. Key issues: Height difference too large — case won't fit; Width difference too large — case won't fit; Camera bump size slightly different. You'll need a new case designed for the Galaxy S25+.
❌ Galaxy S25 ↔ Galaxy S25 Ultra
S25: 146.9 x 70.5mm vs S25 Ultra: 162.8 x 77.6mm.
Score: 0/100. A Galaxy S25 case will NOT fit the Galaxy S25 Ultra. The camera layouts are completely different (vertical-triple vs vertical-quad), so the case cutout won't align with the cameras. You'll need a new case designed for the Galaxy S25 Ultra.
Shop Galaxy S25 Cases & Accessories
Ready for a new case? Here are our top picks on Amazon for each S25 model:
Shop Galaxy S25 Accessories
Shop Galaxy S25+ Accessories
Shop Galaxy S25 Ultra Accessories
Explore More Compatibility Tools
Frequently Asked Questions
Does a Galaxy S24 case fit the Galaxy S25?▼
Yes. Our compatibility score is 100/100. A Galaxy S24 case should fit the Galaxy S25 with no issues. The phones share nearly identical dimensions and features.
Can I use an S24 Ultra case on the S25 Ultra?▼
No. Score: 60/100. The S25 Ultra is 77.6mm wide vs 79mm for the S24 Ultra. A Galaxy S24 Ultra case will NOT fit the Galaxy S25 Ultra. Key issues: Width difference too large — case won't fit. You'll need a new case designed for the Galaxy S25 Ultra.
Does a Galaxy S23 case fit the Galaxy S25?▼
No. Score: 65/100. A Galaxy S23 case will NOT fit the Galaxy S25. Key issues: Slight height difference — case may be tight or loose; Slight width difference. You'll need a new case designed for the Galaxy S25.
Are Galaxy S25, S25+, and S25 Ultra cases interchangeable?▼
No. These are different-sized phones. The S25 is 146.9mm tall while the S25 Ultra is 162.8mm — that's a 15.9mm difference. You must buy a case made for your specific S25 model.
What changed in the Galaxy S25 Ultra design?▼
The S25 Ultra measures 162.8 x 77.6 x 8.2mm compared to the S24 Ultra at 162.3 x 79 x 8.6mm. The camera layout is vertical-quad.
The Bottom Line
Samsung's Galaxy S25 series brings enough design changes that older cases are rarely a perfect fit. The good news is that S24 cases score 100/100 on the S25 and should work.
The Ultra line sees the most changes generation to generation. The S25 Ultra's 77.6mm width vs the S24 Ultra's 79mm, combined with potential edge design changes, means dedicated S25 Ultra cases are strongly recommended.
Use our free compatibility checker to test any Samsung phone combination. We compare exact dimensions from our database of 170+ models.