Nokia Lumia 635 (RAM 1 GB) Specifications, Tests and Review

Display
4.5", 480 x 854
Main Camera
5 Megapixel
Operating System
Windows Phone OS 8.1
Storage
8 GB
RAM
1 GB
Processor
Qualcomm Snapdragon 400
Battery
1830 mAh

Other Variants:

Complete technical specifications, details, expert ratings and review of Nokia Lumia 635 (RAM 1 GB). Find out how your chosen phone stacks up against the competition and whether it's the one that best meets your expectations with the phone comparison feature.

DESIGN AND DIMENSIONS Nokia Lumia 635 (RAM 1 GB)
Product Type Smartphone
Form Factor Touch
Height 129.5 mm Worse than 55 % of phones rated.
Width 66.7 mm Worse than 53 % of phones rated.
Depth 9.2 mm Better than 59 % of phones rated.
Weight 134 g Better than 58 % of phones rated.
Body Colour Black
Waterproof (Water-resistant) -
SAR Value 0.79 W/kg (body), 0.75 W/kg (head)
Integrated Components FM radio
Connector Type Micro-USB - 5 pin Micro-USB Type B
Headset / AV composite out - mini-phone 3.5mm
SIM Card Type (Size) Micro SIM

The Nokia Lumia 635 (RAM 1 GB) has a height of 129.5 mm, a width of 66.7 mm and a thickness of 9.2 mm. The weight of the phone is 134 g.

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DISPLAY Nokia Lumia 635 (RAM 1 GB)
Display Type LCD display
Display Technology IPS
Screen Size (Display Size) 4.5" Worse than 59 % of phones rated.
Screen Resolution (Display Resolution) 480 x 854 pixels Worse than 53 % of phones rated.
Pixel Density 221 ppi Worse than 93 % of phones rated.
Colour Depth 16.7 million colours Better than 98 % of phones rated.
Display Features ClearBlack
Display Protection (Screen Protector) Corning Gorilla Glass 3 (scratch resistant glass)

The screen size reaches 4.5" inches. Phones with smaller displays are easier to use with one hand. The experience is less pleasant compared to phones with large displays. However, if you're buying a phone for basic use and don't want, for example, a good gaming experience or a large screen for watching movies, this size should be good enough for you. The disadvantage of LCD displays is the relatively lower color contrast displayed, as the technology cannot display absolute black well. Also due to the higher power consumption, LCD displays are no longer as common in phones. Even so, some manufacturers still equip their phones with LCD technology. However, modern smartphones are already using OLED technology. The advantage of LCD phones is that they tend to be cheaper to build than OLED technology.

Display Resolution of Nokia Lumia 635 (RAM 1 GB) is 480 x 854 pixels. A higher display resolution is a prerequisite for a sharper image. The standard for mid-range phones today is a Full HD resolution of 1920 × 1080 px. Cheaper phones, which usually have a smaller diagonal, have an HD resolution of 1280 × 720 px. Smaller resolutions can only be found in older models. Best phones, on the other hand, have a 4K resolution of 3840 x 2160 px. Display´s pixel density is 221 ppi and represents another significant factor affecting image sharpness besides resolution. The higher the value, the sharper the image. Average value is currently about 350-400 ppi, which guarantees a fine and sufficiently sharp image. Finest modern phone displays reach 450 ppi and above.

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PROCESSOR Nokia Lumia 635 (RAM 1 GB)
Processor Type (CPU) Qualcomm Snapdragon 400
Clock Speed 1.2 GHz Worse than 67 % of phones rated.
Processor Core Qty Quad-core Worse than 57 % of phones rated.

Nokia Lumia 635 (RAM 1 GB) is equipped with Qualcomm Snapdragon 400. The number of processor cores is 4. It is a number of cores that plays an important role in evaluating the performance of phone as it is responsible for computing operations. Smartphones already commonly have a core count of around 4 to 8. Multi-core processors can perform better and reduce the processing time of a request to a minimum, which is reflected in the responsiveness of the phone, e.g. in the speed of opening applications. The processor frequency indicates how many instructions phone can process in 1 second. The higher the frequency, the better the performance. Standard processor frequency range today is between 1.8 GHz and 2.8 GHz. Nokia Lumia 635 (RAM 1 GB) reaches the frequency of 1.2 GHz.

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MEMORY Nokia Lumia 635 (RAM 1 GB)
RAM 1 GB Worse than 61 % of phones rated.
Internal Memory Size (Storage Capacity) 8 GB Worse than 72 % of phones rated.
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSDXC - up to 128 GB

The phone´s internal memory capacity is 8 GB. The size of the internal storage determines e.g., how many photos, songs, movies, or applications you can store on your phone. This memory capacity is ideal for those who have a few basic apps and a few dozen photos on their phone. If you don't expect to use your phone to play games or need to store high-resolution photos, this size should be sufficient. There is almost no probability you're likely to see this low capacity on new smartphones. The standard memory today is around 64 and 128 GB. The best phones have internal memory of 256 GB or more. Luckily, most smartphone manufacturers nowadays offer models with different memory sizes to suit every user.

An additional option to increase the storage capacity of this model is to insert a memory card.

RAM memory of the Nokia Lumia 635 (RAM 1 GB) is 1 GB. Most powerful phones currently have an operating memory of 12 GB or more, which is especially useful for demanding users such as gaming enthusiasts. Normally, phones nowadays have 6 to 8 GB of RAM, which means that the phone can easily handle normal operation and more demanding applications. Operating memory of less than 4 GB is found in lower-end phones or older models, and they are suitable for low-end users who don't use demanding applications and have the phone more for basic use.

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CAMERA Nokia Lumia 635 (RAM 1 GB)
MAIN CAMERA
Number of Main Cameras 1
Sensor Resolution 5 Megapixel Worse than 60 % of phones rated.
Lens Aperture F/2.4 Worse than 89 % of phones rated.
Focus Adjustment Automatic
Minimum Focal Length (Focal Distance) 28 mm
Digital Zoom 4x Better than 57 % of phones rated.
Camera Modes Panoramic pictures, landscape/portrait mode
White Balance Automatic, presets
Video Resolutions 1280 x 720 (720p)
Camera Features (Functions) Auto exposure, exposure compensation, Nokia Refocus
FRONT CAMERA
Number of Front Cameras 0

The rear camera of the Nokia Lumia 635 (RAM 1 GB) has only one lens. Single lens is more typical for older phones or lower-end phones with lower quality cameras. The rear cameras of modern phones nowadays are usually equipped with two, three and sometimes even five rear camera lenses. The resolution of the main lens is 5 Megapixel. Higher resolution does not necessarily mean super high quality photos. Furthermore, it depends on the pixel size but also on other important factors. The aperture of main lens reaches F/2.4 value. The best phones have a lens with an aperture of up to F/1.5, where more light can pass through sensor and photos will be of a high quality even in low light conditions. However, lenses with apertures around F/1.8 to F/2.2 are the most common. The lower the number after the slash, the better the photo quality.

Digital zoom in this case offers zooming up to 4x. Of course, the higher the lens value, the more distant object can be zoomed in. Nonetheless, the disadvantage of digital zoom is that the quality and sharpness of photo deteriorates when using it.

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BATTERY AND CHARGING Nokia Lumia 635 (RAM 1 GB)
Battery Capacity (Battery Size) 1830 mAh Worse than 57 % of phones rated.
Standby Time 600 hours Better than 86 % of phones rated.
Talk Time 1140 minutes Better than 77 % of phones rated.
Run Time Details Talk (GSM): up to 1140 min
Talk (WCDMA): up to 780 min
Playback (Music): up to 58 hrs
Playback (video): up to 7 hrs
Active online usage (Wi-Fi): up to 9 hrs
Active online usage: up to 8.8 hrs
Standby: up to 600 hrs

The battery size of Nokia Lumia 635 (RAM 1 GB) is 1830 mAh. Nevertheless, battery capacity is not the only factor that affects the phone's battery life. For example - the size of the display, the performance of the processor, the use of data functions and, of course, the intensity of use of phone in general all have a significant impact on battery life. Standard for most smartphones today is a battery capacity of around 4500 to 5000 mAH. Phones with this battery size usually guarantee a phone life of at least 1 day. Older or cheaper smartphone models can then reach battery capacities typically around 2500 mAH and below. With this capacity, you may find that if you use your phone heavily, you may need to recharge your phone during the day.

Standby time is 600 hours and it expresses the maximum time your phone can last on a single charge when you are not actively using it. Talk time, or we can say battery life when making calls, then indicates amount of time your phone will last from a full charge if you are constantly on a call. Nokia Lumia 635 (RAM 1 GB) is provided with a talk time about 1140 minutes.

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CELLULAR Nokia Lumia 635 (RAM 1 GB)
Technology WCDMA (UMTS) / GSM
Mobile Broadband Generation 4G Better than 88 % of phones rated.
Operating System Windows Phone OS 8.1
Navigation A-GPS, GLONASS, BeiDou

Nokia Lumia 635 (RAM 1 GB) supports 4G. 5G connectivity, which is slowly replacing standard 4G connectivity, is still more the preserve of the latest phones. The operating system in this case is Windows Phone OS 8.1.

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COMMUNICATIONS Nokia Lumia 635 (RAM 1 GB)
Data Transmission GPRS, EDGE, HSDPA, HSUPA, FDD-LTE
2G Band 850 GSM, 900 GSM, 1800 GSM, 1900 GSM
4G LTE Band Band 3, Band 7, Band 20
4G LTE Frequency FDD 1800+, FDD 2600, FDD 800 DD
Wireless Interface IEEE 802.11b/g/n
Bluetooth Bluetooth 4.0
Bluetooth Profiles HFP, OPP, A2DP, AVRCP, PBAP, GATT
WLAN Security WEP, WPA, WPA2, TKIP, AES
Messaging Services Skype, WhatsApp, SMS, MMS

Basic connectivity standards also include Bluetooth 4.0, making it easy to communicate wirelessly with other devices such as headphones, tablets, speakers and smartwatches.

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MEDIA Nokia Lumia 635 (RAM 1 GB)
Supported Digital Audio Standards AAC, AMR, MP3, GSM FR
Supported Digital Video Standards VC-1, AVC, MPEG-4, WMV, H.264, H.263
FEATURES Nokia Lumia 635 (RAM 1 GB)
Phone Functions Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert
Sensors Accelerometer
Additional Phone Features TTY compatible, DLNA Certified, Text-to-Speech (text recognition), software updates FOTA (Firmware Over The Air), sharing media via DLNA, Kid's Corner, Noise Cancellation Technology, Lumia Color profile, Projection Screen
OTHERS Nokia Lumia 635 (RAM 1 GB)
Included Accessories USB cable, power adapter
Compliant Standards SSL v3, TLS v1.2, TLS v1.0, TLS v1.1, Suite B encryption

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