NVIDIA GeForce RTX 3070 Mobile vs NVIDIA GeForce 820M

The NVIDIA GeForce RTX 3070 Mobile is a mobile graphics card that launched in Q1 2021. It is built on the Ampere GPU microarchitecture (codename GA104) and is manufactured on a 8 nm process.

Memory

The RTX 3070 Mobile has 8 GB of GDDR6 memory, with a 1,750 MHz memory clock and a 256 bit interface. This gives it a memory bandwidth of 448 Gb/s, which affects how fast it can transfer data to and from memory. GPU memory stores temporary data that helps the GPU with complex math and graphics operations. More memory is generally better, as not having enough can cause performance bottlenecks.

Cores and Clock Speeds

The RTX 3070 Mobile includes 5,120 CUDA cores, the processing units for handling parallel computing tasks. The GPU operates at a core clock speed of 1,110 MHz and can dynamically boost its clock speed up to 1,560 MHz. Complementing the processing units are 160 texture mapping units (TMUs) for efficient texture filtering and 80 render output units (ROPs) for pixel processing. Additionally, the GPU features 160 tensor cores optimized for AI-accelerated workloads and 40 RT cores dedicated to real-time ray tracing calculations.

Compatibility & Power Consumption

The GPU has a thermal design power (TDP) of 115 W. A power supply not strong enough to handle this might result in system crashes and potentially damage your hardware.

Benchmark Performance

The RTX 3070 Mobile has the 63rd best 3DMark 11 Performance GPU score among the 543 benchmarked GPUs in our database. It achieves 32.50% of the performance of the best benchmarked GPU, the NVIDIA GeForce RTX 4090.