Google apparently wanted to buy Nuvia for its Google Pixels
Source

Last year, Qualcomm purchased Nuvia, a start-up headed by ex-Google employees who was Lead of SoC architect and Apple employees with one of them being Chief Architect of Apple M1 SoC. Nuvia was working on custom Arm silicon, and Qualcomm wanted that so it could better compete with Apple. Intel, Microsoft and Google were too interested in buying Nuvia.

If Google would have bought Nuvia it would mean that Google would have had access to the prowess of a world-class team familiar with SoCs  and would no longer need to rely on Samsung and its Exynos chips for reference designs in the future along with Tensor SoC focused purely on something like another Pixelbook.

The new SoC, codenamed 'Hamoa', features 12 CPU cores, with 8 designed for high performance and 4 for efficiency. It is being released in two versions, the SC8380X and SC8380XP, under the names Snapdragon 8cx Gen4 or Oryon CPU.

The Hamoa SoC also includes the Snapdragon X65 5G modem, which offers download speeds of up to 10Gbps, and UFS 4.0 storage. It is built using TSMC's 3nm process, which promises excellent performance and power efficiency. This could potentially lead to longer battery life of 20+ hrs, similar to that of the MacBooks on Windows devices.
Source

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Samsung Galaxy S23 Ultra detailed Specifications
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• 6.8-inch 1,440 x 3,088 resolution Flat OLED LTPO 3.0 display
• 1750nits / 2200+nits Max Peak brightness
• Corning Gorilla Glass Victus 2
(survive even after 1 meter drop on concrete)
• 120Hz refresh rate with a 19.3:9 aspect ratio
• Qualcomm Snapdragon 8 Gen2 AC version (overclocked 3.26ghz)
• Upto 16GB RAM LPDDR5X RAM with upto 1TB UFS 4.0 storage variants
• Vapour Chamber for cooling
• 200MP main HP2 sensor with OIS + 2L5 sensor 12MP UltraWide + 3J2 sensor 10MP with 3x zoom telephoto + 3J2 sensor 10MP with 10x zoom Periscope lens quad rear camera setup
• 12MP 2L5 sensor front camera
• Record upto 8K videos with 30fps
• 3D Sonic Gen 3 in-display fingerprint sensor
• 5000 mAh Battery capacity
• Bluetooth 5.3 & Wifi 7
• S Pen support
Colors: Phontom black, Green, Lavender, cream

Variants:
8GB +128GB
12GB + 256GB
12GB + 512GB
12/16GB + 1TB
S23/+ Both will have 8GB + 256GB variant

Interestingly, Samsung S23 Ultra will pack Vizion 44D that has significantly improved night sight photography
It scans the area as 3D, reproduce object & colors with AI, combined data with main sensor

Flat screen was given because of easier use of S Pen which Samsung users requested and they did.
A prototype with 5500mAh battery exist as well but it will be released with 5000mAh battery.
Expect a big improvement on Front & UltraWide camera due to using the same 12mp algorithm.

S23 will pack 3900mA battery while the S23+ will pack 4700mAh battery
Samsung Galaxy S23 series will launch on 1st Feb,2023 , event at San Francisco, USA

Click HERE to know in-depth details about all Camera Sensors used in the device

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Samsung HP2 200MP main sensor details used in Samsung Galaxy S23 Ultra
Source

Effective Resolution:16,320 x12,288 (200MP)
Pixel Size: 0.6μm
Optical Format: 1/1.33
Color Filter: Tetra²pixel
Chroma: Tetra²pixel

Normal Frame Rate:
12.5 fps @ 200 MP
32 fps @ 50 MP
150 fps @ 12 MP
Video Frame Rate:
60 fps @ 8K
240 fps @ 4K
960fps @ FHD

Output Formats: RAW10/12/14/16. Up to RAW18, via expert raw
Shutter Type: Electronic rolling shutter
ADC Accuracy: 12-bits

Features:
Auto Focus
Super QPD
HDR
Smart-ISO Pro (iDCG),
Staggered HDR

Supply Voltage:
2.9 V for analog,
1.8 V for I/O,
1.05 V for digital core supply
Operating Temperature: -20℃ to +85℃

Interface:
4 lanes (6Gbps per lane) D-PHY /
3 lanes (4.5Gsps per lane) C-PHY

Analog Gain:
X16 full capture
X32 50 MP
x128 12 MP
Dual High Conversion Gain

12 MP 2L5 sensor is used for UltraWide & Front and the 10MP 3J2 sensor is used for Telephoto & Periscope lens in S23 Ultra.
Click HERE to know details about the same

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UltraWide, Front , Telephoto and Periscope lens details of Samsung Galaxy S23 Ultra
Source

2L5 sensor 12MP is used for UltraWide & Front and 10MP 3J2 sensor is used for Telephoto & Periscope lens
2L5 12MP sensor shares similar specs to 3J2 sensor 10MP sensor

Effective Resolution: 3,976x2,736 (10.87MP)
Pixel Size: 1.4um
Optical Format: 1/2.55"
Color Filter: RGB Pattern
Chroma: RGB

Normal Frame Rate:
240 fps @ FHD
Video Frame Rate:
120 fps @ UHD
240 fps @ FHD

Features:
Auto Focus
Super QPD
WDR
3D / HDR

Shutter Type: Electronic Rolling Shutter
ADC Accuracy: 10-bits
Output Formats: RAW10

Supply Voltage:
2.95V Analog, 1.8V I/O,
1.05V digital core supply

Operating Temperature: -20℃ to +85℃
Interface: MIPI 4 Lane RAW
Analog Gain: x16

There's no further details whether 2L5 built with rgb / tetra pixel
If tetra, it'll have similar resolution to Galaxy fold 4 upc 4MP and gonna be king in lowlight

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