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Not your usual smartphone Tech Channel but a complete Tech Channel with some Retro taste

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The X-axis linear motor uses the Hengdian Dongmei LM0815B specification. Compared with the previous generation ELA0809A (first-generation technology), it is still an improvement.

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REDMI K90 Pro Max
This Xiaomi Jinshajiang battery uses spherical silicon-carbon negative electrode material with a silicon content of 16%. The capacity reaches 7560mAh (28.66Wh), which is 1560mAh (5.5Wh) higher than the previous generation. The manufacturer has been changed to Dongguan Xinnengde, so it must be an ATL battery cell. The energy density is calculated based on the packaging size to be around 868Wh/L, which is a significant improvement over the previous generation.

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REDMI K90 Pro Max
The screen comes from China Star Optoelectronics and uses M10 luminous material. The surface is covered with Xiaomi Dragon Crystal Glass (Xiaomi 17 Pro Max uses Xiaomi Dragon Crystal Glass 3.0). Full brightness DC dimming is combined with circularly polarized light 2.0 to bring a more comfortable viewing experience.

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REDMI K90 Pro Max
The resolution is the same as its big brother Xiaomi 17 Pro Max, which is 2608*1200. The value does not look that high because the same super pixel technology is used. To make a long story short, each pixel has independent red, green and blue sub-pixels. There is no loss without borrowing adjacent sub-pixels. Therefore, the clarity is better than the diamond arrangement with the same resolution.

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REDMI K90 Pro Max
The measured manual full-screen maximum is 562 nits. The sunlight mode exceeds 750 nits and it is close to 1000 nits after strong light excitation (global brightness). Minimum brightness of 1 nit is also supported.

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REDMI K90 Pro Max
Goodix Technology's next-generation 3D ultrasonic single-point fingerprint solution, which improves compatibility with various tempered glass specifications.

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REDMI K90 Pro Max
Removing the heat dissipation film reveals the 6700mm² stainless steel circulating cooling pump (VC), an area increased by more than 1000mm² compared to the previous generation (REDMI K80 Pro).

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The industry predicts that the memory price of new flagships next year will increase by 20-30% year-on-year
The extra revenue from the memory price hike is enough to cover the high cost of adding 200MP telephoto
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iPhone 17 Pro vs Find X9 Pro front cam comparison
OPPO's colors are more flattering, with more natural looking skin tones
By the way, the beauty mode is disabled by default this time on Find X9 Pro
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OnePlus 15 replicates the imaging algorithm of Find X8 Ultra on the new 8 Elite Gen 5's ISP
That's why their shared samples look surprisingly good, even with hardware downgrades
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The OnePlus 15 features symmetrical super-linear dual stereo speakers, each emitting sound in the same direction for fuller, more balanced stereo sound

The OnePlus 13 uses AAC 1012H top speaker (10x12=120mm²) and AAC 1115E bottom speaker (11x15=165mm²)

If the OnePlus 15 features symmetrical speakers, it likely upgrades the top speaker to an 1115 specification, as the realme GT8 Pro uses dual 1115E speakers
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LOFIC is coming, Sony LYT-838, the first sensor to support LOFIC technology of Sony. 1/1.28", 50MP, DCG-HDR. Coming next year.

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REDMI K90 Pro Max

8 Elite Gen 5
LPDDR5x + UFS 4.1

6.9" TCL CSOT M10 Real RGB
120Hz LTPS panel
Manual brightness - 562 nits
Sunlight mode - 750 nits
HBM - 1000 nits
Minimum brightness - 1 nit
Circularly polarized light 2.0
1.5mm top and side bezels
1.68mm bottom bezel
Xiaomi Dragon Crystal Glass

OV50Q (1/1.31") main
JN5 (1/2.75") 5x telephoto with 30cm minimum focusing distance
OV50M (1/2.88") ultra wide
OV32D (1/3.6", 32MP) front

7560mAh + 100W + 50W
100W PPS

AAC 1115F top speaker
AAC 1115F bottom speaker
AAC DLS1620C rear speaker
BOSE's dual-style tuning

DMEGC LM0815B (360mm³) vibration motor

Three digital microphones

Goodix Technology's next-gen single-point 3D ultrasonic

USB 3.2 Gen1

Wi-Fi 7, Bluetooth 5.4

6700mm² vapor chamber

IR Blaster

IP68

218g

12GB + 256GB - 3999 yuan
12GB + 512GB - 4499 yuan
16GB + 512GB - 4799 yuan

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OnePlus 15 will have the best speaker hardware and tuning that even Find X9 series does not have

Given the mentioned best speaker hardware and the fact that the realme GT8 Pro uses dual 1115E, it is likely that the OnePlus 15 also uses dual 1115E

Refer to the diagram below for the speaker rankings

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OnePlus 15 launched in China!

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OnePlus 15 camera specs

IMX906 (1/1.56") main
OV50D (1/2.88") ultra wide
JN5 (1/2.75") 3.5x, 30cm focusing distance
IMX709 (1/2.74") front with AF

Read the full analysis in the post below

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All rear cameras in the OnePlus 15 have been downgraded compared to the OnePlus 13

The main camera has been downgraded from LYT808 (1/1.4") to IMX906 (1/1.56"), the ultra wide from JN5 (1/2.75") to OV50D (1/2.88"), and the telephoto from IMX882 (1/1.95") to JN5 (1/2.75"); for the telephoto, the OnePlus 13’s IMX882 had a 50cm minimum focus distance, while the OnePlus 15’s JN5 has 30cm, which is still insufficient for quality tele macro shots at 85mm, where around 15cm is needed

OnePlus used the older OV50D (1/2.88") for the ultra wide instead of the newer OV50M (1/2.88") used in the Xiaomi 17 series; sensor quality ranks as JN5 > OV50M > OV50D. Notably, the realme GT8 Pro also uses OV50D for its ultra wide, suggesting shared resources within the OPPO group

The front camera is now an IMX709 (1/2.74") versus the OnePlus 13’s IMX615 (1/2.74"); both are comparable, but the OnePlus 15 adds autofocus for the front camera

However, improved image processing in the OnePlus 15 may help mitigate the impact of these hardware downgrades to some extent

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