Micromax Bolt D321 vs Xiaomi Redmi Note 7S
Compare recorded specifications, size and practical differences.
Xiaomi Redmi Note 7S
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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.
-
Screen diagonal
Bolt D321: 1.3 in smaller diagonal
- Bolt D321:
- 5 in
- Redmi Note 7S:
- 6.3 in
-
Chipset
- Bolt D321:
- Mediatek MT6572 (28 nm)
- Redmi Note 7S:
- Qualcomm SDM660 Snapdragon 660 (14 nm)
-
Rear camera layout
- Bolt D321:
- Single
- Redmi Note 7S:
- Dual
-
Release year
- Bolt D321:
- 2015
- Redmi Note 7S:
- 2019
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. Bolt D321
- Height:
- Unknown
- Width:
- Unknown
- Depth:
- Unknown
- Weight:
- Unknown
Unavailable dimensions are omitted from the drawing.
2. Redmi Note 7S
- Height:
- 159.2 mm
- Width:
- 75.2 mm
- Depth:
- 8.1 mm
- Weight:
- 186 g
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. Bolt D321
- Screen diagonal:
- 5 in
- Aspect ratio (height:width):
- 16:9
- Approximate rectangular screen area:
- 68.9 cm²
2. Redmi Note 7S
- Screen diagonal:
- 6.3 in
- Aspect ratio (height:width):
- 19.5:9
- Approximate rectangular screen area:
- 97.4 cm²
Redmi Note 7S has approximately 41.4% more rectangular screen area than Bolt D321.
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.
No unambiguous storage/RAM pairings are recorded. See the original specifications below.
Bolt D321: Original memory entry
4 GB · 512 MB RAM
Redmi Note 7S: Original memory entry
64 GB · 4 GB RAM 32 GB · 3 GB RAM
Practical features
Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.
1. Bolt D321
- NFC:
- Unknown
- Headphone jack:
- Yes
- Memory card support:
- See details microSD · up to 32 GB
2. Redmi Note 7S
- NFC:
- Unknown
- Headphone jack:
- Yes
- Memory card support:
- See details microSD · up to 256 GB (uses shared SIM 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 | Bolt D321 | Redmi Note 7S |
|---|---|---|
| Dimensions (HxWxD) |
|
|
| Weight |
|
|
| Technology | Unknown |
|
| 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 |
|
|
Display
| Specification | Bolt D321 | Redmi Note 7S |
|---|---|---|
| Touchscreen |
|
|
| Display colors |
|
|
| Screen area |
|
|
| Screen format |
|
|
| Screen to body ratio | Unknown |
|
| PPI /points per inch/ |
|
|
| Screen protection | Unknown |
|
Camera and Video
| Specification | Bolt D321 | Redmi Note 7S |
|---|---|---|
| Rear camera, main |
|
|
| Camera specs |
|
|
| Functions |
|
|
| Video |
|
|
| Front camera, selfie |
|
|
| Specifications |
|
|
Performance
Scores marked * are historical catalogue entries. Test conditions are unspecified; no new testing is implied.
| Specification | Bolt D321 | Redmi Note 7S |
|---|---|---|
| Processor CPU |
|
|
| Graphics processor GPU |
|
|
| Antutu 8 score * | Unknown |
|
| GeekBench 5 Single Core * | Unknown |
|
| GeekBench 5 Multi-Core * | Unknown |
|
General specs
| Specification | Bolt D321 | Redmi Note 7S |
|---|---|---|
| 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 | Bolt D321 | Redmi Note 7S |
|---|---|---|
| SIM card |
|
|
| Network |
|
|
| Speed |
|
|
| GPRS |
|
|
| Edge |
|
|
| Wi-Fi |
|
|
| GPS |
|
|
| USB |
|
|
| Bluetooth |
|
|
| Harmful irradiation |
|
Unknown |
Music and Audio
| Specification | Bolt D321 | Redmi Note 7S |
|---|---|---|
| Radio |
|
|
| Others | Unknown |
|
Other features
| Specification | Bolt D321 | Redmi Note 7S |
|---|---|---|
| Dop |
|
|
