Nokia E51 camera-free vs Xiaomi Redmi Note 4
Compare recorded specifications, size and practical differences.
Xiaomi Redmi Note 4
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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
E51 camera-free: 65 g lighter
- E51 camera-free:
- 100 g
- Redmi Note 4:
- 165 g
-
Width
E51 camera-free: 30 mm narrower
- E51 camera-free:
- 46 mm
- Redmi Note 4:
- 76 mm
-
Screen diagonal
E51 camera-free: 3.5 in smaller diagonal
- E51 camera-free:
- 2 in
- Redmi Note 4:
- 5.5 in
-
Depth
Redmi Note 4: 3.5 mm thinner
- E51 camera-free:
- 12 mm
- Redmi Note 4:
- 8.5 mm
-
Height
E51 camera-free: 36.2 mm shorter
- E51 camera-free:
- 114.8 mm
- Redmi Note 4:
- 151 mm
-
Release year
- E51 camera-free:
- 2008
- Redmi Note 4:
- 2017
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. E51 camera-free
- Height:
- 114.8 mm
- Width:
- 46 mm
- Depth:
- 12 mm +3.5 mm versus Redmi Note 4
2. Redmi Note 4
- Height:
- 151 mm +36.2 mm versus E51 camera-free
- Width:
- 76 mm +30 mm versus E51 camera-free
- Depth:
- 8.5 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. E51 camera-free
- Screen diagonal:
- 2 in
- Aspect ratio (height:width):
- 4:3
- Approximate rectangular screen area:
- 12.4 cm²
2. Redmi Note 4
- Screen diagonal:
- 5.5 in
- Aspect ratio (height:width):
- 16:9
- Approximate rectangular screen area:
- 83.4 cm²
Redmi Note 4 has approximately 573.2% more rectangular screen area than E51 camera-free.
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.
E51 camera-free: Original memory entry
130 MB · 96 MB RAM
Redmi Note 4: Original memory entry
64 GB · 4 GB RAM 32 GB · 3 GB RAM; 64 GB · 3 GB RAM (China only)
Practical features
Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.
1. E51 camera-free
- NFC:
- Unknown
- Headphone jack:
- No
- Memory card support:
- See details microSD · up to 16 GB (dedicated slot)
2. Redmi Note 4
- NFC:
- Unknown
- Headphone jack:
- Yes
- Memory card support:
- See details microSD · up to 256 GB (uses SIM 2 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 | E51 camera-free | Redmi Note 4 |
|---|---|---|
| Dimensions (HxWxD) |
|
|
| Weight |
|
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| Technology |
|
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| Screen size |
|
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| Screen resolution |
|
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| Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded. |
|
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| Memory card support |
|
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| Battery Capacity is not battery life. No endurance test is implied. |
|
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| Operating system OS |
|
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| Chipset | Unknown |
|
| Headphone jack |
|
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Display
| Specification | E51 camera-free | Redmi Note 4 |
|---|---|---|
| Touchscreen | Unknown |
|
| Display colors |
|
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| Screen area |
|
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| Screen format |
|
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| Screen to body ratio |
|
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| PPI /points per inch/ |
|
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Camera and Video
| Specification | E51 camera-free | Redmi Note 4 |
|---|---|---|
| Rear camera, main |
|
|
| Camera specs | Unknown |
|
| Functions | Unknown |
|
| Video | Unknown |
|
| Front camera, selfie |
|
|
| Specifications | Unknown |
|
Performance
Scores marked * are historical catalogue entries. Test conditions are unspecified; no new testing is implied.
| Specification | E51 camera-free | Redmi Note 4 |
|---|---|---|
| Processor CPU |
|
|
| Graphics processor GPU | Unknown |
|
| Antutu 7 score * | Unknown |
|
| GeekBench 4 Single Core * | Unknown |
|
| GeekBench 4 Multi-Core * | Unknown |
|
| GeekBench 4 RenderScript * | Unknown |
|
| Antutu 8 score * | Unknown |
|
| GeekBench 5 Single Core * | Unknown |
|
| GeekBench 5 Multi-Core * | Unknown |
|
General specs
| Specification | E51 camera-free | Redmi Note 4 |
|---|---|---|
| Release date |
|
|
| Colors |
|
|
| Historical recorded price Legacy catalogue value; date unknown. Not a current offer. |
|
|
| Battery life |
|
Unknown |
| Body build | Unknown |
|
Communication and Connectivity
| Specification | E51 camera-free | Redmi Note 4 |
|---|---|---|
| SIM card |
|
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| Network |
|
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| Speed |
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| GPRS |
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| Edge |
|
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| Wi-Fi |
|
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| GPS |
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| USB |
|
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| Bluetooth |
|
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| Harmful irradiation |
|
Unknown |
Music and Audio
| Specification | E51 camera-free | Redmi Note 4 |
|---|---|---|
| Radio |
|
|
| Others |
|
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Other features
| Specification | E51 camera-free | Redmi Note 4 |
|---|---|---|
| Dop |
|
|