Apple
Side-by-side technical data
Apple iPhone 4 CDMA vs Apple iPhone Duo
Compare up to four phones using typed, normalized technical data. Measurements stay numeric, capabilities stay boolean, and options stay comparable.
The verdict
Neither runs away with it: each wins something.
Which one is for you?
Apple iPhone 4 CDMA, if you care about…
- Weight
- 137 g
- against 254 g
- Body Thickness
- 9.3 mm
- against 11.3 mm
Apple iPhone Duo, if you care about…
- Battery Capacity
- 5,400 mAh
- against 1,420 mAh
- RAM Capacity
- 12 GB
- against 512 MB
- Wi-Fi Standards
- Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax), Wi-Fi 6E, Wi-Fi 7 (802.11be)
- against Wi-Fi 802.11 b/g/n
- Display Technology
- OLED
- against IPS LCD
Specification comparison
Battery
| Specification | iPhone 4 CDMA | iPhone Duo |
|---|---|---|
| Battery Efficiency Rating | — | — |
| Battery Capacity | 1,420 mAh | 5,400 mAh Best value |
| Battery Type | Li-Po | Li-Ion |
| Fast Charge Power | — | 40 W |
| Battery Features | — | Non-Removable, Rechargeable, Fast Charging, Wireless Charging, Battery Level Indicator |
| Battery Endurance | — | — |
| Wireless charging power | — | 25 W |
| Charge cycles | — | — |
| Talk time | — | — |
| Standby time | — | — |
| Music playback time | — | — |
Design
| Specification | iPhone 4 CDMA | iPhone Duo |
|---|---|---|
| Body Colors | Black, White | Black, White |
| Body Thickness | 9.3 mm Best value | 11.3 mm |
| Body Width | 58.6 mm | 117.8 mm |
| Body Height | 115.2 mm | 164.6 mm |
| Weight | 137 g Best value | 254 g |
| Usable Surface | 54 % | 90.4 % Best value |
| Body Materials | — | Glass, Titanium, Aluminium Alloy |
| Resistance Features | — | IP68, Stylus Support |
| Waterproof Depth | — | 6 m |
| Drop Resistance Class | — | — |
| Repairability Class | — | — |
| Foldable | No | Yes |
| Rugged Build | No | No |
| Drop Test Count | — | — |
| Unfolded thickness | — | 5.2 mm |
| QWERTY keyboard | — | — |
Performance
| Specification | iPhone 4 CDMA | iPhone Duo |
|---|---|---|
| Processor Model | Apple A4 | Apple A20 Pro |
| Processor Process Size | 45 nm | 2 nm Best value |
| Graphics GPU | PowerVR SGX535 | Apple GPU (7-core graphics) |
| Storage Type | — | NVMe |
| Maximum CPU Clock | 1 GHz | 3.5 GHz Best value |
| Maximum Storage Capacity | 32 GB | 2 TB Best value |
| AnTuTu Score | — | 3,010,000 |
| Geekbench 6 Single-Core | — | 4,459 |
| Geekbench 6 Multi-Core | — | 13,493 |
| CPU Description | 1.0 GHz Cortex-A8 | Hexa-core CPU with 2 high-performance cores and 4 efficiency cores. |
| Processor Type | Single-Core | Hexa-Core |
| 64-Bit Processor | — | Yes |
| RAM Capacity | 512 MB | 12 GB Best value |
| RAM Type | — | DDR5 |
| Expandable Storage | No | No |
| AnTuTu version | — | v11 |
| 3DMark Wild Life Extreme | — | — |
| Maximum memory card | — | — |
Sensors
| Specification | iPhone 4 CDMA | iPhone Duo |
|---|---|---|
| Fingerprint Sensor Placement | — | Side |
Display
| Specification | iPhone 4 CDMA | iPhone Duo |
|---|---|---|
| Display Aspect Ratio | 3:2 | 3:2 |
| Peak Display Brightness | — | 3,000 nits |
| Display Technology | IPS LCD | OLED Best value |
| Display Diagonal | 3.5″ | 7.6″ Best value |
| Display Horizontal Resolution | 640 px | 1,878 px Best value |
| Display Vertical Resolution | 960 px | 2,670 px Best value |
| Display Pixel Density | 330 ppi | 430 ppi Best value |
| Display Refresh Rate | — | 120 Hz |
| Touch Sampling Rate | — | — |
| Display Contrast Ratio | — | 2,000,000 :1 |
| Display Features | Gorilla Glass, Oleophobic Coating | HDR10, Dolby Vision, Always-On Display, LTPO, Variable Refresh Rate, Hole-Punch Notch, Capacitive Touch, Multi-Touch, Scratch Resistant, DCI-P3, Anti-reflective coating |
| Integrated Projector | No | No |
| Projector Brightness | — | — |
| Projector Horizontal Resolution | — | — |
| Projector Vertical Resolution | — | — |
| Cover display diagonal | — | 5.4″ |
| Cover display refresh rate | — | 120 Hz |
| Cover display peak brightness | — | 3,000 nits |
| Display colors | — | — |
Sensor
| Specification | iPhone 4 CDMA | iPhone Duo |
|---|---|---|
| Sensor Features | Accelerometer, Gyroscope, Proximity Sensor, Compass | Accelerometer, Gyroscope, Proximity Sensor, Compass, Barometer, Light Sensor, Cooling System, 3D face recognition |
Software
| Specification | iPhone 4 CDMA | iPhone Duo |
|---|---|---|
| Operating System | iOS 4 | iOS 27 |
| OS Family | iOS | iOS |
| OS Version | 4 | 27 Best value |
| OS Update Support | — | 7 years |
| Direct OS Updates | — | Yes |
| Google Services | — | — |
| Web browser | HTML5 | — |
| Java (J2ME) | — | — |
Connectivity
| Specification | iPhone 4 CDMA | iPhone Duo |
|---|---|---|
| SIM Configurations | Micro-SIM | Dual eSIM, Dual SIM Dual Standby Best value |
| Cellular Bands | 2G CDMA 800, 2G CDMA 1900, 2G CDMA2000 EV-DO | — |
| Cellular Technologies | CDMA, EVDO | GSM, HSPA, LTE, 5G Best value |
| Wi-Fi Standards | Wi-Fi 802.11 b/g/n | Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax), Wi-Fi 6E, Wi-Fi 7 (802.11be) Best value |
| Wi-Fi Features | Wi-Fi 802.11 b/g/n | Tri-Band, Wi-Fi Hotspot, Dual Band, MIMO |
| Bluetooth Version | Bluetooth 2.1 | Bluetooth 6.0 Best value |
| Bluetooth Profiles | A2DP | A2DP, LE |
| Navigation Systems | GPS, A-GPS | GPS, A-GPS, GLONASS, Galileo, BeiDou, QZSS, NavIC Best value |
| Connectivity Features | 3.5 mm Audio Jack, MP3 Player, MP4/3GP Player, USB 2.0 | UWB, Satellite Connectivity, NFC, USB Type-C, DisplayPort output, USB Mass Storage, USB Host 3.2, eSIM, VoLTE, VoWiFi, Tethering, OTA Sync, Computer Sync, USB Charging |
| USB Version | USB 2.0 | USB 3.2 Gen 2 Best value |
| SAR American Head | 1.18 W/kg | — |
| SAR American Body | 0.87 W/kg | — |
| SAR (EU) head | — | — |
| SAR (EU) body | — | — |
| Messaging | — | — |
Audio
| Specification | iPhone 4 CDMA | iPhone Duo |
|---|---|---|
| Microphone Count | — | — |
| Audio Features | A2DP | Stereo Speakers, Dolby Atmos, Noise-Cancellation Microphone, Three Microphones, A2DP, LE |
| Alert types | — | — |
Technical
| Specification | iPhone 4 CDMA | iPhone Duo |
|---|---|---|
| EAN / GTIN | — | — |
| UPC | — | — |
| Launch price | — | 2,399 € |
| MPN | — | — |
| Launch price (USD) | — | — |
Features
| Specification | iPhone 4 CDMA | iPhone Duo |
|---|---|---|
| Built-in functions | MP3 player, Audio/video player, Document viewer | — |
