These chipsets differ in CPU design, GPU architecture, memory bandwidth, multimedia capabilities, and connectivity. Snapdragon 4 Gen 1 prioritises newer manufacturing and 5G support, while Snapdragon 845 offers a higher-tier GPU and flagship features from its generation.
General info
Snapdragon 4 Gen 1 and Snapdragon 845 target different smartphone segments. Snapdragon 4 Gen 1 is a newer low-end chipset with 5G connectivity and a 6 nm process. Snapdragon 845 is an older flagship chipset with stronger graphics hardware and higher memory bandwidth.
| Feature | Snapdragon 4 Gen 1 | Snapdragon 845 |
|---|
| Announced date | September 2022 | August 2018 |
| Class | Low end | Flagship |
| Model number | SM4375 | SDM845 |
| Brand | Qualcomm | Qualcomm |
CPU
The CPU architecture affects app loading, multitasking, gaming, and power efficiency. Snapdragon 4 Gen 1 uses Cortex A78 and A55 cores for balanced daily performance, while Snapdragon 845 uses Kryo 385 cores and higher clock speeds for demanding applications and intensive processing workloads.
| Feature | Snapdragon 4 Gen 1 | Snapdragon 845 |
|---|
| Architecture | 2x 2 GHz Cortex A78 + 6x 1.8 GHz Cortex A55 | 4x 2.8 GHz Kryo 385 Gold + 4x 1.8 GHz Kryo 385 Silver |
| Cores | 8 | 8 |
| Frequency | Up to 2 GHz | Up to 2.8 GHz |
| Instruction set | ARMv8.2-A | ARMv8.2-A |
| Process | 6 nm | 10 nm |
| TDP (Sustained power limit) | Not listed | 9 W |
| Manufacturing | TSMC | Samsung |
Graphics
The GPU handles gaming, graphics rendering, video playback, and other visual workloads. Snapdragon 845’s Adreno 630 offers higher graphics capacity, while Snapdragon 4 Gen 1’s Adreno 619 supports everyday gaming and multimedia with lower processing demands.
| Feature | Snapdragon 4 Gen 1 | Snapdragon 845 |
|---|
| GPU | Adreno 619 | Adreno 630 |
| Architecture | Adreno 600 | Adreno 600 |
| GPU frequency | 700 MHz | 710 MHz |
| Pipelines | 2 | 2 |
| Shading units | 128 | 256 |
| Total shaders | 256 | 512 |
| FLOPS | 358.4 Gigaflops | 727 Gigaflops |
| Vulkan version | 1.1 | 1.1 |
| OpenCL version | 2.0 | 2.0 |
| DirectX version | 12.1 | 12.1 |
Memory
Both chipsets support LPDDR4X memory and up to 8GB RAM. Snapdragon 4 Gen 1 supports a higher 2,133 MHz memory frequency, while Snapdragon 845 has a wider 2x 32-bit bus and substantially higher maximum bandwidth of 29.8 Gb/s.
| Feature | Snapdragon 4 Gen 1 | Snapdragon 845 |
|---|
| Memory type | LPDDR4X | LPDDR4X |
| Memory frequency | 2133 MHz | 1866 MHz |
| Bus | 2x 16-bit | 2x 32-bit |
| Max bandwidth | 17 Gb/s | 29.8 Gb/s |
| Max size | 8GB | 8GB |
Multimedia (ISP)
The multimedia hardware supports photography, video recording, playback, and audio streaming. Snapdragon 845 handles higher-resolution cameras and 4K video capture, while Snapdragon 4 Gen 1 supports up to 108MP cameras and 1080p playback, making it suitable for everyday imaging and entertainment.
| Feature | Snapdragon 4 Gen 1 | Snapdragon 845 |
|---|
| Storage type | UFS 2.1, UFS 2.2 | UFS 2.1 |
| Max display resolution | 2520 × 1080 pixel | 3840 × 2160 pixel |
| Max camera resolution | 1x 108MP | 1x 192MP |
| Video capture | 1K at 60 FPS | 4K at 60 FPS |
| Video playback | 1080p at 60 FPS | 4K at 60 FPS |
| Video codecs | H.264, H.265, VP9 | H.264, H.265, VP9 |
| Audio codecs | AIFF, CAF, MP3, MP4, WAV | AAC, AIFF, CAF, MP3, MP4, WAV |
Connectivity and network
Connectivity features support mobile internet, wireless accessories, navigation, and faster data transfers. Snapdragon 4 Gen 1 offers 5G, higher download speeds, and Bluetooth 5.2 for modern connectivity. Snapdragon 845 supports 4G LTE, Wi-Fi 5, Bluetooth 5.0, and reliable navigation.
| Feature | Snapdragon 4 Gen 1 | Snapdragon 845 |
|---|
| Modem | Snapdragon X51 | X20 |
| 4G support | LTE Cat. 18 | LTE Cat. 18 |
| 5G support | Yes | No |
| Download speed | Up to 2.5 Gbps | Up to 1.2 Gbps |
| Upload speed | Up to 900 Mbps | Up to 150 Mbps |
| Wi-Fi | Wi-Fi 5 | Wi-Fi 5 |
| Bluetooth | 5.2 | 5.0 |
| Navigation | GPS, GLONASS, Beidou, Galileo, QZSS, NavIC | GPS, GLONASS, Beidou, Galileo, QZSS, SBAS |