Product Compare

AMD Radeon R9 M485X vs NVIDIA GeForce RTX 3080 Ti Mobile

GPU GPU
Graphics Card
Release Date May 2016 Jan 2022
Generation Crystal System GeForce 30 Mobile
Type Mobile Mobile
Bus Interface MXM-B (3.0) PCIe 4.0 x16
Clock Speeds
Memory Clock 1250 MHz 2000 MHz
Base Clock 810 MHz
Boost Clock 1260 MHz
Memory
Memory Size 8GB 16GB
Memory Type GDDR5 GDDR6
Memory Bus 256bit 256bit
Bandwidth 160.0GB/s 512.0GB/s
Render Config
Compute Units 32
Shading Units 2048 7424
TMUs 128 232
ROPs 32 96
L1 Cache 16 KB (per CU) 128 KB (per SM)
L2 Cache 512 KB 4 MB
SM Count 58
Tensor Cores 232
RT Cores 58
Theoretical Performance
Pixel Rate 23.14 GPixel/s 121.0 GPixel/s
Texture Rate 92.54 GTexel/s 292.3 GTexel/s
FP16 (half) 2.961 TFLOPS 18.71 TFLOPS
FP32 (float) 2.961 TFLOPS 18.71 TFLOPS
FP64 (double) 185.1 GFLOPS 292.3 GFLOPS
Graphics Processor
GPU Name Amethyst GA103S
GPU Variant Amethyst XT GN20-E8-A1
Architecture GCN 3.0 Ampere
Foundry TSMC Samsung
Process Size 28 nm 8 nm
Transistors 5 billion Unknown
Die Size 366 mm² 496 mm²
Board Design
TDP 250W 115W
Outputs No outputs No outputs
Power Connectors None None
Graphics Features
DirectX 12 (12_0) 12 Ultimate (12_2)
OpenGL 4.6 4.6
OpenCL 2.0 3.0
Vulkan 1.2 1.3
Shader Model 6.3 6.5
CUDA 8.6