Microsoft
Side-by-side technical data
Microsoft Lumia 950 vs Microsoft Lumia 640 Dual SIM
Compare up to four phones using typed, normalized technical data. Measurements stay numeric, capabilities stay boolean, and options stay comparable.
The verdict
Your pick: Microsoft Lumia 950, ahead on Design & display, Performance & hardware, Camera, Connectivity and Battery & charging.
| Category | Lumia 950 | Lumia 640 Dual SIM |
|---|---|---|
| Design & display | 7.2 | 4.8 |
| Performance & hardware | 1.6 | 1.2 |
| Camera | 5.0 | 2.1 |
| Connectivity | 4.8 | 2.3 |
| Battery & charging | 3.4 | 1.4 |
Which one is for you?
Microsoft Lumia 950, if you care about…
- Battery Capacity
- 3,000 mAh
- against 2,500 mAh
- RAM Capacity
- 3 GB
- against 1 GB
- Wi-Fi Standards
- Wi-Fi 802.11a/b/g/n/ac, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac)
- against Wi-Fi 802.11 b/g/n
- Storage Type
- eMMC 5.0
- against eMMC 4.5
Microsoft Lumia 640 Dual SIM, if you care about…
- Weight
- 145 g
- against 150 g
- Talk time
- 27.5 h
- against 23 h
- Standby time
- 840 h
- against 288 h
Specification comparison
Battery
| Specification | Lumia 950 | Lumia 640 Dual SIM |
|---|---|---|
| Battery Efficiency Rating | — | — |
| Battery Capacity | 3,000 mAh Best value | 2,500 mAh |
| Battery Type | Li-Ion | Li-Ion |
| Fast Charge Power | 18 W | — |
| Battery Features | Wireless Charging, Battery Level Indicator, Fast Charging, Rechargeable, Removable | — |
| Battery Endurance | — | — |
| Wireless charging power | 18 W | — |
| Charge cycles | — | — |
| Talk time | 23 h | 27.5 h Best value |
| Standby time | 288 h | 840 h Best value |
| Music playback time | 67 h | — |
Design
| Specification | Lumia 950 | Lumia 640 Dual SIM |
|---|---|---|
| Body Colors | Black, White | Cyan, Orange, White, Black |
| Body Thickness | 8.2 mm Best value | 8.8 mm |
| Body Width | 73.2 mm | 72.2 mm |
| Body Height | 145 mm | 141.3 mm |
| Weight | 150 g | 145 g Best value |
| Usable Surface | 70.2 % Best value | 67.6 % |
| Body Materials | — | — |
| Resistance Features | — | — |
| Waterproof Depth | — | — |
| Drop Resistance Class | — | — |
| Repairability Class | — | — |
| Foldable | No | No |
| Rugged Build | No | No |
| Drop Test Count | — | — |
| Unfolded thickness | 8.2 mm | — |
| QWERTY keyboard | — | — |
Performance
| Specification | Lumia 950 | Lumia 640 Dual SIM |
|---|---|---|
| Processor Model | Qualcomm Snapdragon 808 | Qualcomm MSM8926 Snapdragon 400 |
| Processor Process Size | 20 nm Best value | 28 nm |
| Graphics GPU | Qualcomm Adreno 418 | Qualcomm Adreno 305 |
| Storage Type | eMMC 5.0 Best value | eMMC 4.5 |
| Maximum CPU Clock | 1.8 GHz Best value | 1.2 GHz |
| Maximum Storage Capacity | 32 GB Best value | 8 GB |
| AnTuTu Score | 67,981 | — |
| Geekbench 6 Single-Core | — | — |
| Geekbench 6 Multi-Core | — | — |
| CPU Description | Hexa-core CPU with 4×1.4 GHz Cortex-A53 cores and 2×1.8 GHz Cortex-A57 cores | Quad-core 1.2 GHz Cortex-A7 |
| Processor Type | Hexa-Core | Quad-Core |
| 64-Bit Processor | Yes | — |
| RAM Capacity | 3 GB Best value | 1 GB |
| RAM Type | — | — |
| Expandable Storage | Yes | Yes |
| AnTuTu version | — | — |
| 3DMark Wild Life Extreme | — | — |
| Maximum memory card | 200 GB | — |
Sensors
| Specification | Lumia 950 | Lumia 640 Dual SIM |
|---|---|---|
| Fingerprint Sensor Placement | — | — |
Display
| Specification | Lumia 950 | Lumia 640 Dual SIM |
|---|---|---|
| Display Aspect Ratio | 16:9 | 16:9 |
| Peak Display Brightness | — | — |
| Display Technology | AMOLED Best value | IPS LCD |
| Display Diagonal | 5.2″ Best value | 5″ |
| Display Horizontal Resolution | 1,440 px Best value | 720 px |
| Display Vertical Resolution | 2,560 px Best value | 1,280 px |
| Display Pixel Density | 565 ppi Best value | 294 ppi |
| Display Refresh Rate | — | — |
| Touch Sampling Rate | — | — |
| Display Contrast Ratio | — | 1,034 :1 |
| Display Features | ClearBlack Display, Gorilla Glass 3, AMOLED, Always-On Display, Touchscreen | ClearBlack Display, Gorilla Glass 3 |
| Integrated Projector | No | No |
| Projector Brightness | — | — |
| Projector Horizontal Resolution | — | — |
| Projector Vertical Resolution | — | — |
| Cover display diagonal | — | — |
| Cover display refresh rate | — | — |
| Cover display peak brightness | — | — |
| Display colors | — | — |
Sensor
| Specification | Lumia 950 | Lumia 640 Dual SIM |
|---|---|---|
| Sensor Features | Accelerometer, Gyroscope, Proximity Sensor, Compass, Barometer | Accelerometer, Proximity Sensor, Compass |
Software
| Specification | Lumia 950 | Lumia 640 Dual SIM |
|---|---|---|
| Operating System | Windows 10 Mobile | Windows Phone 8.1 |
| OS Family | Windows Phone | Windows Phone |
| OS Version | 10 Best value | 8.1 |
| OS Update Support | — | — |
| Direct OS Updates | No | — |
| Google Services | — | — |
| Web browser | — | — |
| Java (J2ME) | — | — |
Connectivity
| Specification | Lumia 950 | Lumia 640 Dual SIM |
|---|---|---|
| SIM Configurations | Dual Nano-SIM | Dual SIM Dual Standby |
| Cellular Bands | 2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS B850, 3G UMTS B900, 3G UMTS 1700 AWS, 3G UMTS 1900, 3G UMTS 2100, 4G LTE B1, 4G LTE B2, 4G LTE B3, 4G LTE B4, 4G LTE B5, 4G LTE B7, 4G LTE B8, 4G LTE B12, 4G LTE B17, 4G LTE B20, LTE B28, 4G LTE B38, 4G LTE B40 | 2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS B850, 3G UMTS B900, 3G UMTS 1900, 3G UMTS 2100 |
| Cellular Technologies | GSM, HSPA, UMTS, LTE, 4G Best value | GSM, HSPA |
| Wi-Fi Standards | Wi-Fi 802.11a/b/g/n/ac, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac) Best value | Wi-Fi 802.11 b/g/n |
| Wi-Fi Features | Dual Band, Wi-Fi Hotspot | DLNA, Wi-Fi Hotspot |
| Bluetooth Version | Bluetooth 4.1 Best value | Bluetooth 4.0 |
| Bluetooth Profiles | A2DP | A2DP |
| Navigation Systems | GPS, GLONASS, BeiDou | GPS, GLONASS, BeiDou |
| Connectivity Features | 3.5 mm Audio Jack, Smart Connect Support, NFC, FM Radio, USB Type-C, DLNA | 3.5 mm Audio Jack, FM Radio, USB Charging |
| USB Version | USB 3.1 Best value | USB 2.0 |
| SAR American Head | — | — |
| SAR American Body | — | — |
| SAR (EU) head | — | — |
| SAR (EU) body | — | — |
| Messaging | — | — |
Audio
| Specification | Lumia 950 | Lumia 640 Dual SIM |
|---|---|---|
| Microphone Count | 2 | — |
| Audio Features | A2DP, Loudspeaker | A2DP, Loudspeaker |
| Alert types | — | — |
Technical
| Specification | Lumia 950 | Lumia 640 Dual SIM |
|---|---|---|
| EAN / GTIN | — | — |
| UPC | — | — |
| Launch price | — | — |
| MPN | — | — |
| Launch price (USD) | — | — |
Features
| Specification | Lumia 950 | Lumia 640 Dual SIM |
|---|---|---|
| Built-in functions | Microsoft Continuum Support | — |
