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Nokia Lumia 730 Dual SIM 8GB vs Nokia Lumia 638 8GB: Full Comparison!

Created date: 2018-09-30 22:17:24, Updated date: 2020-04-16 18:34:46

Nokia Lumia 730 Dual SIM 8GBNokia Lumia 638 8GB
Nokia Lumia 730 Dual SIM 8GBNokia Lumia 638 8GB

Are you having trouble comparing the differences in features and performance of the "Nokia Lumia 730 Dual SIM 8GB" and "Nokia Lumia 638 8GB", or unsure about their differences in ease-of-use, and wondering which to buy? We did a deep-dive comparison of the features, specs, and capabilities of these two smartphone, and provided our rating of which one was a better buy.

Nokia Lumia 730 Dual SIM 8GBNokia Lumia 638 8GB
Nokia Lumia 730 Dual SIM 8GB

Nokia Lumia 638 8GB

General rating:
Holding comfortrating-image3.7
73/100
rating-image3.8
75/100
Weightrating-image3.9
78/100
rating-image3.8
75/100
Screen sizerating-image3.5
69/100
rating-image3.3
66/100
Display qualityrating-image3.2
64/100
rating-image1.8
35/100
Battery liferating-image2.7
53/100
rating-image2.2
44/100
Processing powerrating-image1
14/100
rating-image1
14/100
Memory capacityrating-image1.0
20/100
rating-image1.0
20/100
Storage capacityrating-image1.2
24/100
rating-image1.2
24/100
Rear camera performancerating-image2.1
42/100
rating-image1.4
27/100
Front camera performancerating-image2.5
50/100
rating-image
- /100

"Nokia Lumia 730 Dual SIM 8GB" and "Nokia Lumia 638 8GB", performance comparison

"Nokia Lumia 730 Dual SIM 8GB" and "Nokia Lumia 638 8GB" size comparison. Which to choose?

The size of the body has a big influence on the ease of carrying and one-handed operation. The narrower the width, the easier it is to firmly grasp and hold, but you also have to take into account the device's thickness. Also, if the width and height are smaller, its easier to operate one-handed since its easier to extend your fingers. On the contrary, if the width and height are large, it's difficult to fit in your pocket and is bulky even when put in a bag, and portability is impaired.

The "Nokia Lumia 730 Dual SIM 8GB" has a width of 68.5mm, a length of 134.7mm, and a thickness of 8.7mm. Also, the "Nokia Lumia 638 8GB" has a width of 66.7mm, a length of 129.5mm, and a thickness of 9.2mm.

Comparing the width and thickness of the body, there isn't much difference between the "Nokia Lumia 730 Dual SIM 8GB" and "Nokia Lumia 638 8GB" in terms of size. For that reason, the ease of gripping and carrying the devices in one hand is about the same for both. Therefore it's better to compare them in terms of performance and functionality.

Comparing the width and thickness of the body, the "Nokia Lumia 638 8GB" is a more compact size than the "Nokia Lumia 730 Dual SIM 8GB". For that reason the "Nokia Lumia 638 8GB" has higher one-handed operability, and has greater portability, being less likely to get in the way when being carried. For these reasons, we recommend the "Nokia Lumia 638 8GB".

Comparing the overall size of the two devices, there isn't a big difference in size between the "Nokia Lumia 730 Dual SIM 8GB" and the "Nokia Lumia 638 8GB". For that reason the ease of carrying and use with one hand is about the same for both. That's why it is better to compare the two in terms of other aspects of performance and functionality.

ScoreDimensions (width x height x thickness)
Nokia Lumia 730 Dual SIM 8GB73/10068.5mm x 134.7mm x 8.7mm
Nokia Lumia 638 8GB75/10066.7mm x 129.5mm x 9.2mm

"Nokia Lumia 730 Dual SIM 8GB" and "Nokia Lumia 638 8GB", which is more comfortable to hold? Weight comparison

The weight of the device affects hand fatigue and the burden placed upon the wrist. The lighter it is, the longer you'll be able to operate the device without tiring. Also, if the burden placed on the wrist is lower, you'll be able to use the device more comfortably. However if the weight isn't right for you, it could place more of a burden on your body, causing you to feel stress.

The weight of the "Nokia Lumia 730 Dual SIM 8GB" is about 130.0g, and the weight of the "Nokia Lumia 638 8GB" is about 136.0g. Comparing the weight of the two devices, there isn't much difference in weight between the "Nokia Lumia 730 Dual SIM 8GB" and "Nokia Lumia 638 8GB". That's why the likelihood of fatigue in the fingers and wrists after extended use is about the same for both. That's why it is better to compare the two in terms of other aspects of performance and functionality.

ScoreWeight
Nokia Lumia 730 Dual SIM 8GB78/100130.0g
Nokia Lumia 638 8GB75/100136.0g

"Nokia Lumia 730 Dual SIM 8GB" and "Nokia Lumia 638 8GB", whose display is easier to use?

The size of the screen affects usability and screen visibility. A larger screen means larger letters and buttons on apps, so the user is less likely to tap adjacent buttons by mistake. In addition, the user can enjoy a more intense experience when playing games and watching videos.

The "Nokia Lumia 730 Dual SIM 8GB" has a 4.7inch display. Also, the "Nokia Lumia 638 8GB" has a 4.5inch display. Comparing the screen size, there is a negligible difference in screen size between the "Nokia Lumia 730 Dual SIM 8GB" and the "Nokia Lumia 638 8GB". As a result, the app buttons on both are equally easy to press. We recommend comparing them based on other aspects of performance and functionality.

ScoreDisplay size
Nokia Lumia 730 Dual SIM 8GB69/1004.7inch
Nokia Lumia 638 8GB66/1004.5inch

"Nokia Lumia 730 Dual SIM 8GB" and "Nokia Lumia 638 8GB", which has a clearer display?

Pixel density affects picture quality, and the higher the pixel density, the better the picture quality, which means the user can gain more enjoyment from games and videos. In addition, higher picture quality decreases eyestrain, which means that the user will experience less eye fatigue after prolonged use.

The resolution on the "Nokia Lumia 730 Dual SIM 8GB" is 720 x 1280, and pixel density is 312ppi. Also, the resolution on the "Nokia Lumia 638 8GB" is 480 x 854, and pixel density is 217ppi. Comparing the pixel count, the "Nokia Lumia 730 Dual SIM 8GB" has much higher pixel density than the "Nokia Lumia 638 8GB", with a difference of roughly 95ppi. In terms of having better picture quality and exerting less strain on the eyes, the "Nokia Lumia 730 Dual SIM 8GB" is superior to the "Nokia Lumia 638 8GB". If you are looking for a smartphone that is easy on the eyes, displaying texts and pictures clearly without any blurring, we recommend the "Nokia Lumia 730 Dual SIM 8GB" over the "Nokia Lumia 638 8GB".

ScorePixel density
Nokia Lumia 730 Dual SIM 8GB64/100312ppi
Nokia Lumia 638 8GB35/100217ppi

"Nokia Lumia 730 Dual SIM 8GB" and "Nokia Lumia 638 8GB", a summary of the differences in battery life

Battery performance greatly affects battery life, but greater battery capacity does not necessarily mean greater battery life, since battery efficiency should also be considered. Bigger screens and higher CPU performance will mean the batteries are depleted more quickly.

The "Nokia Lumia 730 Dual SIM 8GB" is 2200.0mAh, and the "Nokia Lumia 638 8GB" is 1830.0mAh. Regarding battery capacity, the "Nokia Lumia 730 Dual SIM 8GB" has greater battery capacity than the "Nokia Lumia 638 8GB", with a 370mAh difference. If battery is a priority, then the "Nokia Lumia 730 Dual SIM 8GB" is recommended over the "Nokia Lumia 638 8GB".

ScoreBattery capacity
Nokia Lumia 730 Dual SIM 8GB53/1002200.0mAh
Nokia Lumia 638 8GB44/1001830.0mAh

"Nokia Lumia 730 Dual SIM 8GB" and "Nokia Lumia 638 8GB", which has better CPU?

CPU performance affects the ability to process programs, and the ability to process programs is determined by the product of the number of cores in the CPU and the CPU frequency. The higher this performance is, the more smoothly apps and games will run, and with low performance apps and games become heavy and stress is experienced.

The "Nokia Lumia 730 Dual SIM 8GB"'s CPU is a Qualcomm Snapdragon 400, with performance measured at 1.2GHz×4(4.0-cores). Also, the "Nokia Lumia 638 8GB"'s CPU is a Qualcomm Snapdragon 400, with performance measured at 1.2GHz×4(4.0-cores). Comparing CPU performance, there is almost no difference in the specs of the "Nokia Lumia 730 Dual SIM 8GB" and the "Nokia Lumia 638 8GB". For that reason the level of smoothness felt when using apps and comfortable handling of games is about the same. For that reason it is better to compare them in terms of other aspects of performance and functionality.

ScoreCPU specs
Nokia Lumia 730 Dual SIM 8GB14/1001.2GHz×4(4.0-cores)
Nokia Lumia 638 8GB14/1001.2GHz×4(4.0-cores)

"Nokia Lumia 730 Dual SIM 8GB" and "Nokia Lumia 638 8GB", what's the difference in memory capacity?

RAM affects multitasking ability and the stability of apps. The larger the amount of RAM is, the more stability there will be even in situations where multiple apps are running simultaneously, allowing for comfortable use. In addition, animation will be more smooth, and apps will be less likely to freeze or crash. Also, without sufficient RAM, there are games you won't be able to run, so it is necessary to be careful.

The weight of the "Nokia Lumia 730 Dual SIM 8GB" is 1.0GB and the weight of the "Nokia Lumia 638 8GB" is 1.0GB. Comparing the devices in terms of RAM, there is almost no difference in the amount of RAM of the "Nokia Lumia 730 Dual SIM 8GB" and the "Nokia Lumia 638 8GB". For that reason they have about the same level of multitasking performance and 3D game and VR smoothness. That's why it is better to make a comparison in terms of other aspects of performance and functionality.

ScoreRAM size
Nokia Lumia 730 Dual SIM 8GB20/1001.0GB
Nokia Lumia 638 8GB20/1001.0GB

"Nokia Lumia 730 Dual SIM 8GB" and "Nokia Lumia 638 8GB", which has more data storage?

Storage capacity affects the amount of data that is capable of being stored. The larger the storage capacity, the more pictures you can take and the more applications you can install. In addition, if your smartphone accepts SD cards, then you can increase its storage capacity. However, there are performance related drawbacks, including a slower data transfer rate than the primary memory, and you cannot transfer all your data on the card, so be warned.

The data storage capacity of the "Nokia Lumia 730 Dual SIM 8GB" is 8.0GB. Also the "Nokia Lumia 638 8GB" is 8.0GB. Regarding storage capacity, there is a negligible difference in storage capacity between the "Nokia Lumia 730 Dual SIM 8GB" and "Nokia Lumia 638 8GB". As a result, you can save roughly the same amount of pictures, and install roughly the same amount of applications, on either phone. You are better off comparing them based on other aspects of performance and functionality.

ScoreStorage size
Nokia Lumia 730 Dual SIM 8GB24/1008.0GB
Nokia Lumia 638 8GB24/1008.0GB

"Nokia Lumia 730 Dual SIM 8GB" and "Nokia Lumia 638 8GB" rear camera performance comparison. Which has a higher resolution?

One factor that determines the performance of the exterior camera located on the back of the device (the rear/back camera) is the pixel count. The larger the pixel count, the higher the resolution of the pictures you can take, and the cleaner the pictures will look when printed.

"Nokia Lumia 730 Dual SIM 8GB" has a 7.0MP main camera. Also, "Nokia Lumia 638 8GB" has a 5.0MP main camera. Comparing rear camera performance, the "Nokia Lumia 730 Dual SIM 8GB" has a much higher pixel count compared to the "Nokia Lumia 638 8GB", with a roughly 2MP difference. In terms of taking or shooting high resolution pictures or videos that will look clean when printed, the "Nokia Lumia 730 Dual SIM 8GB" is superior to the "Nokia Lumia 638 8GB". If you are looking for a smartphone that is suited for shooting videos and taking pictures, we recommend the "Nokia Lumia 730 Dual SIM 8GB" over the "Nokia Lumia 638 8GB".

ScoreRear-camera resolution
Nokia Lumia 730 Dual SIM 8GB42/1007.0MP
Nokia Lumia 638 8GB27/1005.0MP

"Nokia Lumia 730 Dual SIM 8GB" and "Nokia Lumia 638 8GB", whose front camera has a better picture quality?

One factor that determines the performance of the exterior camera located on the front of the device (the in/front camera) is the pixel count. The larger the pixel count, the higher the resolution of the pictures you can take, and the cleaner the pictures will look when printed.

ScoreFront-camera resolution
Nokia Lumia 730 Dual SIM 8GB50/1005.0MP
Nokia Lumia 638 8GB - /100

"Nokia Lumia 730 Dual SIM 8GB" and "Nokia Lumia 638 8GB", performance comparison by specification sheet

Nokia Lumia 730 Dual SIM 8GBNokia Lumia 638 8GB
ImageNokia Lumia 730 Dual SIM 8GBNokia Lumia 638 8GB
MakerNokiaNokia
Release date2014-092014-12
ColorOrange/green/white/blackBlack
OSWindowsWindows
Dimensions (width x height x thickness)68.5mm x 134.7mm x 8.7mm66.7mm x 129.5mm x 9.2mm
Weight130.0g136.0g
Display size4.7inch4.5inch
Display typeOLEDIPS LCD
Screen resolution (width x height)720 x 1280480 x 854
Pixel density312ppi217ppi
Battery capacity2200.0mAh1830.0mAh
ChipsetQualcomm Snapdragon 400Qualcomm Snapdragon 400
CPU specs1.2GHz×4(4.0-cores)1.2GHz×4(4.0-cores)
RAM size1.0GB1.0GB
Storage size8.0GB8.0GB
Rear-camera resolution7.0MP5.0MP

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