T-Mobile MDA Compact IV vs Xiaomi Redmi Note 9S
Compare recorded specifications, size and practical differences.
Xiaomi Redmi Note 9S
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Key differences
Calculated from recorded specifications using minimum difference thresholds. These are differences, not an overall ranking. For three phones, numeric highlights compare the two extremes.
-
Weight
MDA Compact IV: 111 g lighter
- MDA Compact IV:
- 98 g
- Redmi Note 9S:
- 209 g
-
Width
MDA Compact IV: 24.7 mm narrower
- MDA Compact IV:
- 52 mm
- Redmi Note 9S:
- 76.7 mm
-
Screen diagonal
MDA Compact IV: 3.87 in smaller diagonal
- MDA Compact IV:
- 2.8 in
- Redmi Note 9S:
- 6.67 in
-
Chipset
- MDA Compact IV:
- Qualcomm MSM7201A
- Redmi Note 9S:
- Qualcomm SM7125 Snapdragon 720G (8 nm)
-
Rear camera layout
- MDA Compact IV:
- Single
- Redmi Note 9S:
- Quad
-
Depth
Redmi Note 9S: 3.2 mm thinner
- MDA Compact IV:
- 12 mm
- Redmi Note 9S:
- 8.8 mm
Physical size
Relative size, not calibrated actual size. Front and side outlines share one scale and a bottom baseline. Generic outlines use recorded body dimensions, excluding camera bumps.
1. MDA Compact IV
- Height:
- 110 mm
- Width:
- 52 mm
- Depth:
- 12 mm +3.2 mm versus Redmi Note 9S
2. Redmi Note 9S
- Height:
- 165.8 mm +55.8 mm versus MDA Compact IV
- Width:
- 76.7 mm +24.7 mm versus MDA Compact IV
- Depth:
- 8.8 mm
Weight
Bars start at zero and share a scale within this chart.
Screen size
Approximate rectangular screens calculated from recorded diagonal and aspect ratio at one relative scale. Rounded corners and cutouts are not subtracted. These are not phone outlines or calibrated actual sizes.
1. MDA Compact IV
- Screen diagonal:
- 2.8 in
- Aspect ratio (height:width):
- 4:3
- Approximate rectangular screen area:
- 24.3 cm²
2. Redmi Note 9S
- Screen diagonal:
- 6.67 in
- Aspect ratio (height:width):
- 20:9
- Approximate rectangular screen area:
- 107.4 cm²
Redmi Note 9S has approximately 342.4% more rectangular screen area than MDA Compact IV.
Memory variants
Each row compares the same storage capacity. Cells show recorded RAM alternatives, not combined maxima. Not recorded does not mean unavailable in every market.
| Storage | MDA Compact IV | Redmi Note 9S |
|---|---|---|
| 64 GB | Unknown | 4 GB RAM |
| 128 GB | Unknown | 6 GB RAM |
MDA Compact IV: Original memory entry
4 GB · 128 MB RAM · 256 MB ROM
Practical features
Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.
1. MDA Compact IV
- NFC:
- Unknown
- Headphone jack:
- No
- Memory card support:
- No
2. Redmi Note 9S
- NFC:
- Unknown
- Headphone jack:
- Yes
- Memory card support:
- See details microSDXC (dedicated slot)
Battery capacity
Capacity is not battery life. No endurance test is implied.
Recorded battery capacity
Bars start at zero and share a scale within this chart.
Specifications
Open a section for more detail. On narrow screens, swipe sideways or use Left/Right arrow keys while the table is focused. Unknown means missing data, not No. Recorded zero values are shown as recorded.
Everyday essentials
| Specification | MDA Compact IV | Redmi Note 9S |
|---|---|---|
| Dimensions (HxWxD) |
|
|
| Weight |
|
|
| Technology |
|
|
| Screen size |
|
|
| Screen resolution |
|
|
| Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded. |
|
|
| Memory card support |
|
|
| Battery Capacity is not battery life. No endurance test is implied. |
|
|
| Operating system OS |
|
|
| Chipset |
|
|
| Headphone jack |
|
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Display
| Specification | MDA Compact IV | Redmi Note 9S |
|---|---|---|
| Touchscreen |
|
|
| Display colors |
|
|
| Screen area |
|
|
| Screen format |
|
|
| Screen to body ratio |
|
|
| PPI /points per inch/ |
|
|
| Screen protection | Unknown |
|
Camera and Video
| Specification | MDA Compact IV | Redmi Note 9S |
|---|---|---|
| Rear camera, main |
|
|
| Camera specs |
|
|
| Functions | Unknown |
|
| Video |
|
|
| Front camera, selfie |
|
|
| Specifications |
|
|
Performance
| Specification | MDA Compact IV | Redmi Note 9S |
|---|---|---|
| Processor CPU |
|
|
| Graphics processor GPU |
|
|
General specs
| Specification | MDA Compact IV | Redmi Note 9S |
|---|---|---|
| Release date |
|
|
| Colors |
|
|
| Historical recorded price Legacy catalogue value; date unknown. Not a current offer. | Unknown |
|
| Battery life |
|
Unknown |
| Body build | Unknown |
|
Communication and Connectivity
| Specification | MDA Compact IV | Redmi Note 9S |
|---|---|---|
| SIM card |
|
|
| Network |
|
|
| Speed |
|
|
| GPRS |
|
|
| Edge |
|
|
| Wi-Fi |
|
|
| GPS |
|
|
| USB |
|
|
| Bluetooth |
|
|
| Harmful irradiation |
|
Unknown |
Music and Audio
| Specification | MDA Compact IV | Redmi Note 9S |
|---|---|---|
| Radio |
|
|
| Others |
|
|
Other features
| Specification | MDA Compact IV | Redmi Note 9S |
|---|---|---|
| Dop |
|
|


