The Snapdragon 4 Gen 1 and Snapdragon 4 Gen 2 are Qualcomm mobile processors designed for affordable 5G smartphones. Both chipsets support everyday tasks such as web browsing, video streaming, social media, multitasking, and AI-powered camera features. The Snapdragon 4 Gen 2 introduces a 4 nm manufacturing process, higher CPU clock speeds, and support for faster UFS 3.1 storage, while retaining many of the core capabilities of the Snapdragon 4 Gen 1. The comparison below highlights the key differences between the two processors.
General info
The general specifications provide an overview of each processor's launch period, model number, and product segment. Both chipsets belong to Qualcomm's Snapdragon 4 series and are designed for budget-friendly 5G smartphones.
| Specification | Snapdragon 4 Gen 1 | Snapdragon 4 Gen 2 |
|---|
| Announced | 6 September 2022 | 26 June 2023 |
| Segment | Entry-level | Entry-level |
| Model number | SM4375 | SM4450 |
| Brand | Qualcomm | Qualcomm |
CPU
Both processors use an octa-core Kryo CPU based on ARM Cortex-A78 and Cortex-A55 cores. The Snapdragon 4 Gen 2 features a higher maximum clock speed and a more advanced 4 nm manufacturing process, which improves power efficiency.
| Specification | Snapdragon 4 Gen 1 | Snapdragon 4 Gen 2 |
|---|
| Architecture | ARM Cortex-A78/A55 | ARM Cortex-A78/A55 |
| CPU cores | 8-core (2 × Cortex-A78 + 6 × Cortex-A55) | 8-core (2 × Cortex-A78 + 6 × Cortex-A55) |
| Maximum frequency | Up to 2.0 GHz | Up to 2.2 GHz |
| Instruction set | ARMv8.2-A | ARMv8.2-A |
| Manufacturing process | 6 nm | 4 nm |
| Foundry | Samsung | Samsung |
Memory and storage
Both processors support LPDDR4X memory with the same memory interface. The Snapdragon 4 Gen 2 adds support for UFS 3.1 storage, which can improve application launch times and file transfer speeds on compatible devices.
| Specification | Snapdragon 4 Gen 1 | Snapdragon 4 Gen 2 |
|---|
| Memory type | LPDDR4X | LPDDR4X |
| Memory frequency | 2,133 MHz | 2,133 MHz |
| Memory bus | 2 × 16-bit | 2 × 16-bit |
| Storage support | UFS 2.2 | UFS 3.1 |
Connectivity and network
Both chipsets support 5G connectivity, dual-band Wi-Fi, and multiple global navigation systems. The Snapdragon 4 Gen 2 features the newer Snapdragon X61 5G modem-RF system, while overall wireless connectivity remains similar across both processors.
| Specification | Snapdragon 4 Gen 1 | Snapdragon 4 Gen 2 |
|---|
| 5G modem | Snapdragon X51 5G Modem-RF System | Snapdragon X61 5G Modem-RF System |
| 4G support | Yes | Yes |
| 5G support | Yes | Yes |
| Peak download speed | Up to 2.5 Gbps | Up to 2.5 Gbps |
| Peak upload speed | Up to 900 Mbps | Up to 900 Mbps |
| Wi-Fi | Wi-Fi 5 | Wi-Fi 5 |
| Bluetooth | Bluetooth 5.2 | Bluetooth 5.1 |
| Navigation | GPS, GLONASS, NavIC, Galileo, BeiDou | GPS, GLONASS, NavIC, Galileo, BeiDou |