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On February 16, Qualcomm announced the Snapdragon X75 5G modem and RF system, the world's first "5G Advanced-ready" baseband product that supports 10-carrier aggregation and promises 10Gbps downlink speeds in Wi-Fi 7 and 5G. -ready, also known as "5.5G", falls between 5G and 6G and will enable better upgrades to the XR space, connected cars, 5G uplink capabilities and more. The Snapdragon X75 is currently being prototyped and commercial devices are expected to be released in the second half of 2023. The Snapdragon X75 technology and innovation enables OEMs to build next-generation experiences across segments including smartphones, mobile broadband, automotive, computing, industrial IoT, fixed wireless access (FWA) and 5G enterprise private networks.

The Qualcomm Snapdragon X75 modem is the official successor to the Snapdragon X70 modem launched in 2022 and is expected to be used in Snapdragon 8 Gen 3 smartphones. The modem offers a number of upgrades, the most notable of which is a 20% increase in power efficiency.

The new modem is understood to include full-band support from 600MHz to 41GHz. In this baseband chip, millimetre wave mmWave hardware (QTM565) is fused with Sub-6 hardware. This puts all 5G connectivity on one module. Qualcomm claims that this provides simpler manufacturing, with parts of the chip taking up 25 per cent less physical area. In addition, putting mmWave / Sub-6 on a single chip can offer up to a 20 per cent energy efficiency improvement over the X70. The new QTM565 mmWave antenna module is paired with a converged transceiver, reducing cost, board complexity, hardware footprint and power consumption. On top of this, Qualcomm's 5G PowerSave Gen 4 and its RF efficiency suite also work to further extend battery life.

Elsewhere, the chip's artificial intelligence has been greatly enhanced. The Snapdragon X75 is also the first modem system to have a dedicated hardware tensor accelerator. The second generation of Qualcomm 5G artificial intelligence processors promises 2.5 times better AI performance than the first generation chip in last year's X70, meaning that the best frequencies can be chosen more intelligently for optimal connectivity. Qualcomm claims a 50 per cent improvement in positioning accuracy thanks to GNSS positioning Gen 2. This not only reduces power consumption, but also improves the stability of the connection. This is complemented by the new second generation of intelligent network selection.

Qualcomm says that the Snapdragon X75 will be available with the next generation of flagship chips, hinting at a Snapdragon 8 Gen 3 chip. Globally, the Snapdragon X75 baseband is expected to be used in flagship phones such as the Samsung Galaxy S24 series.

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