Qualcomm Snapdragon 8cx Gen 2 vs AMD Ryzen 3 5300U Full Specs
8 Cores(4P+4E) 8 Threads(4P+4E) 3.15GHz | 4 Cores 8 Threads 2.6GHz |
TDP - | TDP 15W |
Bandwidth 68.3GB/s LPDDR4X | Bandwidth 68.3GB/s · |
iGPU | iGPU |
·· 4.18 TFLOPSFP16 | ·· 2.3 TFLOPSFP16 |
Socket - | Socket |
8 Cores 4P 4E | 4 Cores 4P - |
8 Threads 4P 4E | 8 Threads 8P - |
Base Clock 3.15GHz | Base Clock 2.6GHz |
Boost Clock - | Boost Clock 3.8GHz |
Overclocking Locked | Overclocking Locked |
L1i 64KB P 32KB E | L1i 32KB P - |
L1d 64KB P 32KB E | L1d 32KB P - |
L2 512KB P 128KB E | L2 512KB P - |
L3 2MB | L3 4MB |
SLC Cache 3MB | SLC Cache - |
Type LPDDR4X | Type · |
Max Memory 16GB | Max Memory 32GB |
ECC No | ECC No |
Channels 8 | Channels 2 |
Bus Width 128-bit | Bus Width 128-bit |
Speed 4266MT/s | Speed 4266MT/s |
Bandwidth 68.3GB/s | Bandwidth 68.3GB/s |
Bandwidth Calculator Channels Transfer Rate Calculated Bandwidth 68.3GB/s | Bandwidth Calculator Channels Transfer Rate Calculated Bandwidth 68.3GB/s |
TDP - | TDP 15W |
cTDP-down - | cTDP-down 10W |
cTDP-up - | cTDP-up 25W |
Max Operating Temp - | Max Operating Temp 105°C Max |
Bus Type - | Bus Type PCIe |
Bus Config - | Bus Config 4 lanes |
Bus Speed - | Bus Speed 8GT/s |
Bus Bandwidth - | Bus Bandwidth 4GB/s |
- | PCIe PCIe 3.0 x1615.8GB/sBandwidth |
iGPU | iGPU |
Shaders 1536 | Shaders 384 |
Boost Clock 680MHz | Boost Clock 1.5GHz |
·· 4.18 TFLOPSFP16 | ·· 2.3 TFLOPSFP16 |
NPU Model Hexagon 690 | NPU Model - |
Performance 9 TOPS | Performance - |
Modem Model X55 | Modem Model - |
Cellular 5G mmWave | Cellular - |
Peak Down Up to 7.5Gbps | Peak Down - |
Peak Up Up to 3.0Gbps | Peak Up - |
Manufacturer | Manufacturer |
ISA AArch64 | ISA x86-64 |
Architecture Kryo 495ARMv8.2-A | Architecture |
Family | Family |
Branding ![]() | Branding ![]() |
Codename - Snapdragon 8cx Gen 2Variant Cortex-A76P-Core Cortex-A55E-Core | Codename Lucienne - - - |
Market Segment Laptop | Market Segment Laptop |
Release Date Aug 30, 2020 | Release Date Jan 12, 2021 |
Foundry TSMC | Foundry TSMC |
Fabrication Node N7 | Fabrication Node N7 |
Die Size - | Die Size 156mm² |
Transistor Count - | Transistor Count 9.8 Billion |
Transistor Density - | Transistor Density 63 MTr/mm² |
No images available
No images available
Laptops | Laptops |



