Qualcomm Snapdragon 855+ (X50) vs Qualcomm Snapdragon 855+ (X55) Full Specs
8 Cores(1P+3M+4E) 8 Threads(1P+3M+4E) 2.96GHz | 8 Cores(1P+3M+4E) 8 Threads(1P+3M+4E) 2.96GHz |
TDP 5W | TDP 5W |
Bandwidth 34.1GB/s LPDDR4X | Bandwidth 34.1GB/s LPDDR4X |
iGPU | iGPU |
·· 2.07 TFLOPSFP16 | ·· 2.07 TFLOPSFP16 |
8 Cores 1P 3M 4E | 8 Cores 1P 3M 4E |
8 Threads 1P 3M 4E | 8 Threads 1P 3M 4E |
Base Clock 2.96GHz | Base Clock 2.96GHz |
Overclocking Locked | Overclocking Locked |
L1i 64KB P 64KB M 32KB E | L1i 64KB P 64KB M 32KB E |
L1d 64KB P 64KB M 32KB E | L1d 64KB P 64KB M 32KB E |
L2 512KB P 256KB M 128KB E | L2 512KB P 256KB M 128KB E |
L3 2MB | L3 2MB |
SLC Cache 3MB | SLC Cache 3MB |
Type LPDDR4X | Type LPDDR4X |
Max Memory 16GB | Max Memory 16GB |
ECC No | ECC No |
Channels 4 | Channels 4 |
Bus Width 64-bit | Bus Width 64-bit |
Speed 4266MT/s | Speed 4266MT/s |
Bandwidth 34.1GB/s | Bandwidth 34.1GB/s |
Bandwidth Calculator Channels Transfer Rate ·· | Bandwidth Calculator Channels Transfer Rate ·· |
TDP 5W | TDP 5W |
iGPU | iGPU |
Shaders 768 | Shaders 768 |
Boost Clock 675MHz | Boost Clock 675MHz |
·· 2.07 TFLOPSFP16 | ·· 2.07 TFLOPSFP16 |
NPU Model Hexagon 690 | NPU Model Hexagon 690 |
NPU Clock 576MHz | NPU Clock 576MHz |
Performance 7 TOPS | Performance 7 TOPS |
Modem Model X50 | Modem Model X55 |
Cellular 5G mmWave | Cellular 5G mmWave |
Peak Down Up to 5.0Gbps | Peak Down Up to 7.5Gbps |
Peak Up Up to 210Mbps | Peak Up Up to 3.0Gbps |
Manufacturer | Manufacturer |
ISA AArch64 | ISA AArch64 |
Architecture Kryo 485ARMv8.2-A | Architecture Kryo 485ARMv8.2-A |
Family | Family |
Branding ![]() | Branding ![]() |
Codename Cortex-A76P-Core Cortex-A76M-Core Cortex-A55E-Core | Codename Cortex-A76P-Core Cortex-A76M-Core Cortex-A55E-Core |
Market Segment Smartphone | Market Segment Smartphone |
Release Date Jul 9, 2019 | Release Date Jul 9, 2019 |
Foundry TSMC | Foundry TSMC |
Fabrication Node N7 | Fabrication Node N7 |

