Product Compare

AMD Radeon RX 6600M vs NVIDIA GeForce RTX 3080 Mobile 16 GB

GPU GPU
Graphics Card
Release Date May 2021 Jan 2021
Generation Mobility Radeon GeForce 30 Mobile
Type Mobile Mobile
Bus Interface PCIe 4.0 x8 PCIe 4.0 x16
Clock Speeds
Base Clock 2068 MHz 1110 MHz
Boost Clock 2416 MHz 1545 MHz
Memory Clock 1750 MHz 1750 MHz
Memory
Memory Size 8GB 16GB
Memory Type GDDR6 GDDR6
Memory Bus 128bit 256bit
Bandwidth 224.0GB/s 448.0GB/s
Render Config
Compute Units 28
Shading Units 1792 6144
TMUs 112 192
ROPs 64 96
RT Cores 28 48
L1 Cache 128 KB per Array 128 KB (per SM)
L2 Cache 2 MB 4 MB
L3 Cache 32 MB
SM Count 48
Tensor Cores 192
Theoretical Performance
Pixel Rate 154.6 GPixel/s 148.3 GPixel/s
Texture Rate 270.6 GTexel/s 296.6 GTexel/s
FP16 (half) 17.32 TFLOPS 18.98 TFLOPS
FP32 (float) 8.659 TFLOPS 18.98 TFLOPS
FP64 (double) 541.2 GFLOPS 296.6 GFLOPS
Graphics Processor
GPU Name Navi 23 GA104
Architecture RDNA 2.0 Ampere
Foundry TSMC Samsung
Process Size 7 nm 8 nm
Transistors 11.06 billion 17.4 billion
Die Size 237 mm² 392 mm²
GPU Variant GA104-775-A1
Board Design
TDP 100W 115W
Outputs No outputs Portable Device Dependent
Power Connectors None None
Graphics Features
DirectX 12 Ultimate (12_2) 12 Ultimate (12_2)
OpenGL 4.6 4.6
OpenCL 2.1 3.0
Vulkan 1.3 1.3
Shader Model 6.5 6.8
CUDA 8.6