Should you buy Xiaomi Redmi 7A or Xiaomi Mi 9? Compare the differences in functions and specifications/performances thoroughly

Created date: 05/27/2019, 20:31:44, Updated date: 04/16/2020, 07:54:35

Xiaomi Redmi 7AXiaomi Mi 9
Xiaomi Redmi 7AXiaomi Mi 9

Here's our thorough comparison of the difference in performance and function between the Xiaomi Redmi 7A and Xiaomi Mi 9. Which one should you buy? We'll compare and explain what differs between the Xiaomi Redmi 7A and Xiaomi Mi 9 in a way that even people who aren't used to choosing between two similar products can understand.

Xiaomi Redmi 7AXiaomi Mi 9
Xiaomi Redmi 7A

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Xiaomi Mi 9

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General rating:

74/100

(The - of all smartphones)

81/100

(The 30th of all smartphones)

Holding comfort
68/100
63/100
Weight
64/100
61/100
Screen size
81/100
90/100
Display quality
60/100
84/100
Battery life
80/100
69/100
Processing power
71/100
96/100
Memory capacity
60/100
93/100
Storage capacity
55/100
91/100
Rear camera performance
61/100
97/100
Front camera performance
50/100
81/100

Xiaomi Redmi 7A and Xiaomi Mi 9, performance comparison

Xiaomi Redmi 7A and Xiaomi Mi 9 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 Xiaomi Redmi 7A has a width of 2.8 inches (70.4 mm), a length of 5.8 inches (146.3 mm), and a thickness of 0.4 inches (9.6 mm). Also, the Xiaomi Mi 9 has a width of 2.9 inches (74.7 mm), a length of 6.2 inches (157.5 mm), and a thickness of 0.3 inches (7.6 mm).

Comparing the width and thickness of the body, there isn't much difference between the Xiaomi Redmi 7A and Xiaomi Mi 9 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, there isn't a large difference in size between the Xiaomi Redmi 7A and the Xiaomi Mi 9. For that reason their one-handed operability, portability, and bulkiness when carried is about the same. That's why I think it's better to compare them in terms of other aspects of performance and functionality.

Comparing the overall size of the two devices, there isn't a big difference in size between the Xiaomi Redmi 7A and the Xiaomi Mi 9. 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)
Xiaomi Redmi 7A68/1002.8 inches (70.4 mm) x 5.8 inches (146.3 mm) x 0.4 inches (9.6 mm)
Xiaomi Mi 963/1002.9 inches (74.7 mm) x 6.2 inches (157.5 mm) x 0.3 inches (7.6 mm)

Xiaomi Redmi 7A and Xiaomi Mi 9, 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 Xiaomi Redmi 7A is about 165 oz (165 g), and the weight of the Xiaomi Mi 9 is about 173 oz (173 g). Comparing the weight of the two devices, there isn't much difference in weight between the Xiaomi Redmi 7A and Xiaomi Mi 9. 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
Xiaomi Redmi 7A64/100165 oz (165 g)
Xiaomi Mi 961/100173 oz (173 g)

Xiaomi Redmi 7A and Xiaomi Mi 9, 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 Xiaomi Redmi 7A has a 5.45 inch display. Also, the Xiaomi Mi 9 has a 6.39 inch display. Comparing the screen size, the Xiaomi Mi 9 has a larger screen compared to the Xiaomi Redmi 7A, with a roughly 0.93 inch difference. As a result, the user is less likely to mistap when using apps on the Xiaomi Mi 9 than on the Xiaomi Redmi 7A, and is also able to enjoy videos and games on a larger screen. Therefore, we recommend the Xiaomi Mi 9.

ScoreDisplay size
Xiaomi Redmi 7A81/1005.45 inch
Xiaomi Mi 990/1006.39 inch

Xiaomi Redmi 7A and Xiaomi Mi 9, 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 Xiaomi Redmi 7A is 720 x 1440, and pixel density is 295 ppi. Also, the resolution on the Xiaomi Mi 9 is 1080 x 2340, and pixel density is 403 ppi. Comparing the pixel count, the Xiaomi Mi 9 has much higher pixel density than the Xiaomi Redmi 7A, with a difference of roughly 108 ppi. In terms of having better picture quality and exerting less strain on the eyes, the Xiaomi Mi 9 is superior to the Xiaomi Redmi 7A. If you are looking for a smartphone that is easy on the eyes, displaying texts and pictures clearly without any blurring, we recommend the Xiaomi Mi 9 over the Xiaomi Redmi 7A.

ScorePixel density
Xiaomi Redmi 7A60/100295 ppi
Xiaomi Mi 984/100403 ppi

Xiaomi Redmi 7A and Xiaomi Mi 9, 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 Xiaomi Redmi 7A is 4000 mAh, and the Xiaomi Mi 9 is 3300 mAh. Regarding battery capacity, the Xiaomi Redmi 7A has greater battery capacity than the Xiaomi Mi 9, with a 700 mAh difference. Since the Xiaomi Redmi 7A can be used for longer periods without recharging than the Xiaomi Mi 9, it is great for outdoor use. If you want a smartphone with a longer battery life, we recommend the Xiaomi Redmi 7A over the Xiaomi Mi 9.

ScoreBattery capacity
Xiaomi Redmi 7A80/1004000 mAh
Xiaomi Mi 969/1003300 mAh

Xiaomi Redmi 7A and Xiaomi Mi 9, 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 Xiaomi Redmi 7A's CPU is a Qualcomm SDM439 Snapdragon 439, with performance measured at 1.95GHz+1.45GHz×8(OctaCore). Also, the Xiaomi Mi 9's CPU is a Qualcomm SM8150 Snapdragon 855, with performance measured at 2.84GHz+2.42GHz+1.78GHz×8(OctaCore). Comparing CPU performance, the Xiaomi Mi 9 has considerably higher specs than the Xiaomi Redmi 7A. In terms of being able to comfortably play games and run apps smoothly, the Xiaomi Mi 9 is superior to the Xiaomi Redmi 7A. If you're going for a high spec smart phone that runs smoothly and comfortably handles games, we recommend purchasing the Xiaomi Mi 9 over the Xiaomi Redmi 7A.

ScoreCPU specs
Xiaomi Redmi 7A71/1001.95GHz+1.45GHz×8(OctaCore)
Xiaomi Mi 996/1002.84GHz+2.42GHz+1.78GHz×8(OctaCore)

Xiaomi Redmi 7A and Xiaomi Mi 9, 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 Xiaomi Redmi 7A is 3GB and the weight of the Xiaomi Mi 9 is 8GB. Comparing the devices in terms of RAM, the Xiaomi Mi 9 has a significantly larger amount of RAM than the Xiaomi Redmi 7A, with a difference of about 5GB. In terms of the unlikeliness of crashing and the ease of multitasking, 3D games and VR, the Xiaomi Mi 9 is superior to the Xiaomi Redmi 7A. If you're looking for a smart phone that can run multiple apps simultaneously with stability and also allows you to comfortably enjoy 3D games and VR, then we recommend purchasing the Xiaomi Mi 9 over the Xiaomi Redmi 7A.

ScoreRAM size
Xiaomi Redmi 7A60/1003GB
Xiaomi Mi 993/1008GB

Xiaomi Redmi 7A and Xiaomi Mi 9, 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 Xiaomi Redmi 7A is 32GB. Also the Xiaomi Mi 9 is 256GB. Regarding storage capacity, the Xiaomi Mi 9 has a much larger data storage capacity compared to the Xiaomi Redmi 7A, with a roughly 224GB difference. In terms of the number of pictures you can save and the applications that you can install, the Xiaomi Mi 9 is superior to the Xiaomi Redmi 7A. If you are looking for a smartphone that can save more data, we recommend the Xiaomi Mi 9 over the Xiaomi Redmi 7A.

ScoreStorage size
Xiaomi Redmi 7A55/10032GB
Xiaomi Mi 991/100256GB

Xiaomi Redmi 7A and Xiaomi Mi 9 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.

Xiaomi Redmi 7A has a 13 MP main camera. Also, Xiaomi Mi 9 has a 48 MP main camera. Comparing rear camera performance, the Xiaomi Mi 9 has a much higher pixel count compared to the Xiaomi Redmi 7A, with a roughly 35 MP difference. In terms of taking or shooting high resolution pictures or videos that will look clean when printed, the Xiaomi Mi 9 is superior to the Xiaomi Redmi 7A. If you are looking for a smartphone that is suited for shooting videos and taking pictures, we recommend the Xiaomi Mi 9 over the Xiaomi Redmi 7A.

ScoreRear-camera resolution
Xiaomi Redmi 7A61/10013 MP
Xiaomi Mi 997/10048 MP

Xiaomi Redmi 7A and Xiaomi Mi 9, 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.

Xiaomi Redmi 7A has an 5 MP front camera and Xiaomi Mi 9 has an 20 MP front camera. Comparing rear camera performance, the front camera of the Xiaomi Mi 9 has a much higher pixel count compared to the Xiaomi Redmi 7A, with a roughly 15 MP difference. As a result, the Xiaomi Mi 9 is more suited than the Xiaomi Redmi 7A for shooting videos and taking pictures. If you are looking for a smartphone that is suited for shooting high resolution selfies which will look clean when printed, we recommend the Xiaomi Mi 9 over the Xiaomi Redmi 7A.

ScoreFront-camera resolution
Xiaomi Redmi 7A50/1005 MP
Xiaomi Mi 981/10020 MP

Detailed comparison of Xiaomi Redmi 7A and Xiaomi Mi 9

Comparison for body size

ImageProduct nameReviewbody size

Xiaomi Redmi 7A

Score

57.6

Xiaomi Mi 9

Score

53.0

Comparison for body weight

ImageProduct nameReviewbody weight

Xiaomi Redmi 7A

Score

64.4

Xiaomi Mi 9

Score

61.2

Comparison for screen size

ImageProduct nameReviewscreen size

Xiaomi Redmi 7A

Score

81.2

Xiaomi Mi 9

Score

90.7

Comparison for screen resolution

ImageProduct nameReviewscreen resolution

Xiaomi Redmi 7A

Score

45.6

Xiaomi Mi 9

Score

75.3

Comparison for GPU performance

ImageProduct nameReviewGPU performance

Xiaomi Redmi 7A

Score

43.5

Xiaomi Mi 9

Score

92.5

Comparison for RAM capacity

ImageProduct nameReviewRAM capacity

Xiaomi Redmi 7A

Score

60.0

Xiaomi Mi 9

Score

93.4

Comparison for storage size

ImageProduct nameReviewstorage size

Xiaomi Redmi 7A

Score

55.5

Xiaomi Mi 9

Score

91.5

Comparison for process integration

ImageProduct nameReviewprocess integration

Xiaomi Redmi 7A

Score

67.5

Xiaomi Mi 9

Score

98.0

Comparison for battery

ImageProduct nameReviewbattery

Xiaomi Redmi 7A

Score

80.0

Xiaomi Mi 9

Score

69.5

Comparison for rear-camera resolution

ImageProduct nameReviewrear-camera resolution

Xiaomi Redmi 7A

Score

61.7

Xiaomi Mi 9

Score

97.8

Comparison for front-camera resolution

ImageProduct nameReviewfront-camera resolution

Xiaomi Redmi 7A

Score

50.0

Xiaomi Mi 9

Score

81.0

Comparison for grip

ImageProduct nameReviewgrip

Xiaomi Redmi 7A

Score

61.0Color:Matte Black/Morning blue/Matte Blue/Matte Gold/Gem Red/Gem Blue, Dimensions (width x height x thickness):2.8 inches (70.4 mm) x 5.8 inches (146.3 mm) x 0.4 inches (9.6 mm), Weight:165 oz (165 g)

Xiaomi Mi 9

Score

57.1Color:Lavender Violet/Ocean Blue/Piano Black, Dimensions (width x height x thickness):2.9 inches (74.7 mm) x 6.2 inches (157.5 mm) x 0.3 inches (7.6 mm), Weight:173 oz (173 g)

Comparison for screen cleanliness

ImageProduct nameReviewscreen cleanliness

Xiaomi Redmi 7A

Score

60.3Display type:IPS LCD, Screen resolution (width x height):720 x 1440, Pixel density:295 ppi

Xiaomi Mi 9

Score

84.9Display type:Super AMOLED, Screen resolution (width x height):1080 x 2340, Pixel density:403 ppi

Comparison for screen quality

ImageProduct nameReviewscreen quality

Xiaomi Redmi 7A

Score

74.3Display size:5.45 inch, Display type:IPS LCD, Screen resolution (width x height):720 x 1440, Pixel density:295 ppi

Xiaomi Mi 9

Score

86.0Display size:6.39 inch, Display type:Super AMOLED, Screen resolution (width x height):1080 x 2340, Pixel density:403 ppi

Comparison for performance

ImageProduct nameReviewperformance

Xiaomi Redmi 7A

Score

71.9OS:Android

Xiaomi Mi 9

Score

96.3OS:Android

Xiaomi Redmi 7A and Xiaomi Mi 9, performance comparison by specification sheet

Xiaomi Redmi 7AXiaomi Mi 9
ImageXiaomi Redmi 7AXiaomi Mi 9
MakerXiaomiXiaomi
Release date6, 20193, 2019
ColorMatte Black/Morning blue/Matte Blue/Matte Gold/Gem Red/Gem BlueLavender Violet/Ocean Blue/Piano Black
OSAndroidAndroid
Dimensions (width x height x thickness)2.8 inches (70.4 mm) x 5.8 inches (146.3 mm) x 0.4 inches (9.6 mm)2.9 inches (74.7 mm) x 6.2 inches (157.5 mm) x 0.3 inches (7.6 mm)
Weight165 oz (165 g)173 oz (173 g)
Display size5.45 inch6.39 inch
Display typeIPS LCDSuper AMOLED
Screen resolution (width x height)720 x 14401080 x 2340
Pixel density295 ppi403 ppi
Battery capacity4000 mAh3300 mAh
ChipsetQualcomm SDM439 Snapdragon 439Qualcomm SM8150 Snapdragon 855
CPU specs1.95GHz+1.45GHz×8(OctaCore)2.84GHz+2.42GHz+1.78GHz×8(OctaCore)
RAM size3GB8GB
Storage size32GB256GB
Rear-camera resolution13 MP48 MP
Front-camera resolution5 MP20 MP

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