Redmi 9 Review: With Helio G80, Rear Quad Cameras, 2020 Budget Phone


First of all, the most direct natural is performance, under the support of MediaTek Helio G80, the performance of The Redmi 9 compared to the past equipped with the Snapdragon 435, MediaTek P35 and other entry-level chips to improve significantly, and performance upgrades, The whole machine quality of The Redmi 9 also slightly improved,1080P screen, rear four-in-one of these original lyrics on the scarce configuration of the machine reappeared, and ancestral infrared remote control, 5000mAh large battery, 18W fast charge these excellent genes are preserved, 799 yuan pricing, which makes Redmi 9 are enough to be the benchmark in the current hundred-dollar phone.

Next, let’s take a look at Redmi 9 and see how The MediaTek’s Helio G80 is performing, and what kind of breakthrough Redmi 9 has as a comeback as a $100 machine.

Design & Appearance

When you get to Redmi 9, it feels different. In the glass, ceramics as the mainstream of the current, the hundred-dollar machine always like to use smooth transparent plastic to simulate the feel of glass, but this back cover is neither resistant to dirt nor non-slip, use a little longer will appear scratches and become greasy, the actual user experience is not good.

And Redmi 9 return to the true, undisguised plastic material of the back cover, through the dense and hemp micro-pattern to increase friction, coupled with the oil-repellent layer of the addition, improve anti-slip and anti-fouling, so that the rear cover has a different feel, bare metal use has the same experience as wearing a scrub shell. On the front, Redmi 9 is in the ID style of a water drop screen. It is worth noting two points, one is that the Redmi 9 is an FHD LCD screen, compared to the previous 720P screen, in the picture fineness is much higher.

On the back, the Redmi 9 design continues the K30 series of “coin-operated” style, the rear fingerprint hid in the rear camera, there is no slight sense of suddenness. As a hundred-dollar machine, Redmi 9 rarely equipped with four rear cameras, although there is no less than several shots, but more than one lens play in the hundred dollar price is still worth encouraging.

At the top, the ancestral infrared remote control remains, while the other is a microphone open. The bottom has a 3.5mm headphone hole, type-C connector, microphone opening, and speaker opening. Sim card slot on the left side of the body, low-end machine common dual SIM card plus microSD card combination, Redmi 9 supports up to 512GB of storage expansion. Although Redmi 9 supports a maximum of 18W fast charge, the charging adapter included in the package is only 10W, and if needed, remember to purchase a charger that supports the QC 3.0 protocol.

Redmi 9 Hardware & Performance

Redmi 9 in China’s first MediaTek Helio G80 based on the 12nm process, the design of 2 plus 6, two A75 nuclear, frequency of 2GHz, 6 A55 small cores, frequency of 1.8GHz. The GPU is made with the Mali-G52 MC2 at a frequency of 950MHz. In terms of hardware specifications, the Helio G80’s specifications are very close to the Dragon 710, far more than the previously widely used Dragon 435 and MediaTek P35.

1, Master Lu

As a cross-platform performance testing software, Master Lu can use quantitative scores to show the performance of mobile phone CPU, GPU, memory, flash memory, and in the form of ranking and total score, even small white users can easily understand.

Redmi 9’s Lu Masters combined score of 192993, as compared to the Redmi 8 released last year, the score of only 125,985 points, of which CPU score increased from 64880 points (Geelong 435) to 89337 points (Helio G80), GPU score increased from 19847 points to 48,139 points. From the Lu Master rating alone, Redmi 9 not only has a 40% improvement in CPU performance, GPU performance is a direct increase of up to 142% so that the entry-level 100-dollar machine also finally has the ability of a war game.

2, AndroBench

AndroBech is a mobile phone memory performance test software, which can test the phone’s continuous reading and writing, random reading and writing, database performance, for the type of mobile phone flash memory and performance, has a great reference significance.

The continuous reading speed of 306.54MB/s, continuous write speed 167MB/s, belongs to the typical EMMC 5.1 speed, for the hundred-dollar machine, this is also a common configuration.

3, Geekbench

Geekbench 4 is a cross-platform CPU performance test in, which evaluates the performance by testing the single-core and multi-core performance of mobile phones, and evaluates performance according to the four main categories of integer performance, floating-point performance, encryption performance, and memory performance, resulting in a score to judge CPU performance.

Geekbench 5 is an upgraded version of Geekbench 4, which changed the test content and various types of weights, removed the memory performance part, eliminated the memory score on the impact of running points, usually use the most impact on the experience of the integer performance weight is enhanced, the score is compressed, but more reflective of the level of the CPU itself.

In Geekbench 4, the Helio G80 has a single-core score of 1833 and a multi-core score of 6079, which is about 10% higher than the single-core performance of the Dragon 710. In Geekbench 5, the Helio G80 improved by 8% on the single-core and 6% behind the multi-core 710.

4, GFXBench

GFXBench is a cross-platform, cross-API 3D benchmarking software that accurately reflects the graphics performance of the device GPU. Multiple test scenarios that fully examine the device’s OpenGL ES graphics performance and can be tested for battery life.

GFXBench provides two test comparisons, OnScreen and OffScreen. When the screen runs the test at the device screen’s native resolution, it is unified to 1080p resolution, making it easy to compare across devices.

There are six main test projects: T-Rex, Manhattan 3.0, Manhattan 3.1, Car Chase, respectively, corresponding to the performance of OpenGL ES 2.0/3.0/3.1/3.1, as well as the newly added Aztec Ruins Vulkan off-screen, Aztec Ruins OpenGL off-screen, the test pressure is getting higher and higher, the result is measured by the average frame rate (FPS).

For comparison, the results of the Dragon 675 are, respectively, the Overlord off-screen (45FPS), Manhattan off-screen (22FPS), Manhattan 3.1 off-screen (16FPS), and the racing chase off-screen (9FPS).

Actual game testing.

Through the running software, the test can be seen, MediaTek Helio G80 compared to the previous hundred-dollar machine used in the SOC upgrade is obvious, especially the GPU part, but also compared to the previous generation of products have doubled the promotion so that the hundred-dollar machine in the higher screen settings downstream game again become possible.

This test selected the “King’s Glory” and “Peace Elite” two games, in the frame rate first premise to open the highest picture quality, to test MediaTek Helio G80 performance in the game.

1, the glory of the king.

“King’s Glory” is currently the most popular mobile MOBA game on the market, this test we picture quality all open, play for a while, see how the frame rate changes.

In the game “King’s Glory”, under the premise of full picture quality, Redmi 9 can guarantee the stable operation of 30FPS mode, the average frame rate of 44.6FPS, meaning that if you want to stabilize the 60-frame operation, you need to partially lower the screen settings.

2, the peace elite.

“Peace Elite” is currently the most popular mobile shooting game on the market, its frame rate has a high demand. We use smooth picture quality, turn on the limit of 60 frame rate, play.

In “Peace Elite”, the use of smooth picture quality to turn on the limit frame rate mode, the average frame rate measured 50.5FPS, the game process, 88% of the time frame rate are above 45FPS, which is enough to support the smooth operation of its “Peace Elite”.

Because the author directly uses the highest frame rate of the highest picture quality to test the performance of the game, so the results of the test with the stability of 60FPS still have a certain gap, it does not seem very good, but if compared with the previous period with the introduction of the Dragon 435 and other entry SOC model results, it is not difficult to find MediaTek Helio G80 brought about a huge improvement.

In the past, the hundred-dollar machine for “King’s Glory” can only achieve 30FPS full-frame operation at 720P resolution, “Peace Elite” is even the normal game is difficult to do, and today’s Redmi 9 in the MediaTek Helio G80 under the addition of 1080P picture quality can still have such performance, the performance of the strong natural nature can not be doubted.

Combined with the previous theoretical performance test, it can be concluded that MediaTek Helio G80 in CPU performance and dragon 710 close, and GPU performance is similar to the Dragon 675, compared to the previous use of the Dragon 435, MediaTek P35 and other SOC performance improvement is obvious, the hundred-dollar machine can finally improve the performance of the eyebrows.

Redmi 9 Cameras

Although it is a hundred dollar machine, Redmi 9 is rarely equipped with a rear four-shot, in addition to the main camera, a wide-angle also provides a depth-of-field lens and a macro lens to provide more play, directly to see how the imaging effect.

Although it is a small bottom CMOS, in better lighting conditions, Redmi 9 main camera imaging quality in the hundred-dollar machine is quite capable of playing.

Because of its SOC performance in ISP is weak, coupled with Redmi 9 its entry-level positioning, so naturally do not need to be able to be how advanced late algorithm to join, the view of the photo itself is very similar to the professional mode straight out of the effect. However, good at 13 megapixels and details can be retained more clearly, for the later left plenty of space.

Wide-angle lenses provide a greater viewing angle, of course, limited by pixels and slightly worse resolution, but both handling and correction of corner distortions are done well. Night-time photography, due to the lack of algorithmic support, the Redmi 9 imaging is also very close to the “straight out” style, can faithfully record the details of the lower light.

The macro lens is no doubt a surprise, with the Redmi 9 featuring up to 500W pixels, ensuring a higher resolution force for the picture at the macro. The 200W depth-of-field lens can work with the main camera to produce a certain depth-of-field effect, but the redmi 9 is not strong, only a slight blur.

In general, The Redmi 9 not only offers a luxury configuration of the rear four-step device in the $100 machine but also has the quality of its imaging to be circled. Although there is no strong late algorithm support, the shot of the “vegetarian film” still has late space, daily multi-camera not only can cover a variety of use scenarios, as a 799 yuan mobile phone, daily use is enough.


The Redmi 9 has a large 5020mAh battery, but given the strong performance of the MediaTek Helio G80 this time around, it remains to be seen how well it will perform.

One thing is certain, of course, that the 5020mAh’s large battery, under the complimentary 10W charger, will not be too short to charge, the exact time will take, and further testing is required.

Use Redmi 9 for video testing to see how well it continues under the heavy load of the video. Using the software bilibili, you play videos online, keep icons and brightness at 50%, and observe power loss after a while.

With 6% power loss in 30 minutes and the average machine power of 2207mW, Redmi 9’s video life can be estimated at 9 hours.

Game-continuity test.

The game selected by the game life test is the same as in the performance test, maintaining the same game settings, and calculating the game’s duration based on the average full machine power during the measured game test period.

Both games in the highest picture quality of the battery life in 5 hours, you can consider lowering the screen settings to achieve a better range performance.

Charging speed test

Since there is only a 10W charger in the package, the charging speed of the Redmi 9 under the 10W charger can only be tested. Almost half-way charging is almost straight, it takes nearly 2 hours to charge from 7% to 90%, the last 10% will enter the trickle charging phase, it will take longer.

Read Also: Vivo X50 Pro+ Review: With Samsung GN1 1.2μm 50MP Camera

Redmi 9 Verdict

In the hundred-dollar machine is deep in the performance quagmire, MediaTek launched this Helio G80 is no different from the snow to send carbon, finally, let the hundred-dollar machine achieved a performance breakthrough, and from then on getting rid of the cheap low-energy hat. From once can only use the air life as a selling point boasted of durability, to now finally raise eyebrows performance can be a war once mid-range U.

The Helio G80, an entry-level God U, not only rewrites the threshold for the entry-level performance of mobile phones but also drives industry progress, allowing weak low-end products to accelerate de-listing, so that in the future users have more quality products to choose from.

And this time in the domestic with Helio G80 debut Redmi 9 Budget Phone, in the better performance of the addition, but also let us see the quality of the hundred-dollar machine can reach what height.

At 799 yuan, Redmi 9 achieved a performance improvement, inherited excellent product genes, 5020mAh large battery, 18W fast charge, infrared remote control, and other practical configurations are retained, and even further upgrades, the hundred-dollar machine can also enjoy the rear four-minute, photoplay can be extended.

If you’re looking for a hundred-dollar boutique, the Redmi 9 without a price increase is a unique choice, 799 yuan has a resolution of 1080P, performance is enough for a war game and equipped with rear four-camera support infrared remote control of the large battery phone, it is the “bucket” in the hundred-dollar machine.

Product name Link on Coupon Price($) Price(€)
Xiaomi Redmi 9 6.53 inch 4G Smartphone Global Version Green EZ8BYM9O7X $119.99 €105.47
Xiaomi Redmi 9 6.53 inch 4G Smartphone Global Version Gray EZ8BYM9O7X $119.99 €105.47
Xiaomi Redmi 9 6.53 inch 4G Smartphone Global Version Purple EZ8BYM9O7X $119.99 €105.47

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