Energizer Ultimate U650S vs Xiaomi Redmi 4X
Compare recorded specifications, size and practical differences.
Xiaomi Redmi 4X
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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.
-
Width
Redmi 4X: 6.5 mm narrower
- Ultimate U650S:
- 76.5 mm
- Redmi 4X:
- 70 mm
-
Screen diagonal
Redmi 4X: 1.5 in smaller diagonal
- Ultimate U650S:
- 6.5 in
- Redmi 4X:
- 5 in
-
Chipset
- Ultimate U650S:
- Mediatek MT6762 Helio P22 (12 nm)
- Redmi 4X:
- Qualcomm MSM8940 Snapdragon 435 (28 nm)
-
Rear camera layout
- Ultimate U650S:
- Dual
- Redmi 4X:
- Single
-
Depth
Ultimate U650S: 0.5 mm thinner
- Ultimate U650S:
- 8.2 mm
- Redmi 4X:
- 8.7 mm
-
Height
Redmi 4X: 23.3 mm shorter
- Ultimate U650S:
- 162.5 mm
- Redmi 4X:
- 139.2 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. Ultimate U650S
- Height:
- 162.5 mm +23.3 mm versus Redmi 4X
- Width:
- 76.5 mm +6.5 mm versus Redmi 4X
- Depth:
- 8.2 mm
- Weight:
- Unknown
2. Redmi 4X
- Height:
- 139.2 mm
- Width:
- 70 mm
- Depth:
- 8.7 mm +0.5 mm versus Ultimate U650S
- Weight:
- 150 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. Ultimate U650S
- Screen diagonal:
- 6.5 in
- Aspect ratio (height:width):
- 18.5:9
- Approximate rectangular screen area:
- 107.2 cm²
2. Redmi 4X
- Screen diagonal:
- 5 in
- Aspect ratio (height:width):
- 16:9
- Approximate rectangular screen area:
- 68.9 cm²
Ultimate U650S has approximately 55.6% more rectangular screen area than Redmi 4X.
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.
Ultimate U650S: Original memory entry
128 GB · 512GB 4GB
Redmi 4X: Original memory entry
64 GB · 4 GB RAM 32 GB · 3 GB RAM 16 GB · 2 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. Ultimate U650S
- NFC:
- Unknown
- Headphone jack:
- No
- Memory card support:
- See details microSD · up to 256 GB (uses SIM 2 slot)
2. Redmi 4X
- NFC:
- Unknown
- Headphone jack:
- Yes
- Memory card support:
- See details microSD · up to 128 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 | Ultimate U650S | Redmi 4X |
|---|---|---|
| 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 |
|
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| Chipset |
|
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| Headphone jack |
|
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Display
| Specification | Ultimate U650S | Redmi 4X |
|---|---|---|
| Touchscreen |
|
|
| Display colors |
|
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| Screen area |
|
|
| Screen format |
|
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| Screen to body ratio |
|
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| PPI /points per inch/ |
|
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| Screen protection | Unknown |
|
Camera and Video
| Specification | Ultimate U650S | Redmi 4X |
|---|---|---|
| Rear camera, main |
|
|
| Camera specs |
|
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| Functions |
|
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| Video |
|
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| Front camera, selfie |
|
|
| Specifications |
|
|
Performance
Scores marked * are historical catalogue entries. Test conditions are unspecified; no new testing is implied.
| Specification | Ultimate U650S | Redmi 4X |
|---|---|---|
| Processor CPU |
|
|
| Graphics processor GPU |
|
|
| 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 | Ultimate U650S | Redmi 4X |
|---|---|---|
| Release date |
|
|
| Colors | Unknown |
|
| Historical recorded price Legacy catalogue value; date unknown. Not a current offer. | Unknown |
|
| Battery life | Unknown |
|
| Body build | Unknown |
|
Communication and Connectivity
| Specification | Ultimate U650S | Redmi 4X |
|---|---|---|
| SIM card |
|
|
| Network |
|
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| Speed |
|
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| GPRS |
|
|
| 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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Music and Audio
| Specification | Ultimate U650S | Redmi 4X |
|---|---|---|
| Radio |
|
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| Others |
|
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Other features
| Specification | Ultimate U650S | Redmi 4X |
|---|---|---|
| Dop |
|
|

