Product Compare

AMD Radeon R9 M295X Mac Edition vs NVIDIA GeForce RTX 5080 Mobile

GPU GPU
Graphics Card
Release Date Nov 2014 Apr 2025
Generation Crystal System GeForce 50 Mobile
Type Mobile Mobile
Bus Interface MXM-B (3.0) PCIe 5.0 x16
Clock Speeds
Memory Clock 1362 MHz 1750 MHz
Base Clock 975 MHz
Boost Clock 1500 MHz
Memory
Memory Size 4GB 16GB
Memory Type GDDR5 GDDR7
Memory Bus 256bit 256bit
Bandwidth 174.3GB/s 896.0GB/s
Render Config
Compute Units 32
Shading Units 2048 7680
TMUs 128 240
ROPs 32 96
L1 Cache 16 KB (per CU) 128 KB (per SM)
L2 Cache 512 KB 64 MB
SM Count 60
Tensor Cores 240
RT Cores 60
Theoretical Performance
Pixel Rate 27.20 GPixel/s 144.0 GPixel/s
Texture Rate 108.8 GTexel/s 360.0 GTexel/s
FP16 (half) 3.482 TFLOPS 23.04 TFLOPS
FP32 (float) 3.482 TFLOPS 23.04 TFLOPS
FP64 (double) 217.6 GFLOPS 360.0 GFLOPS
Graphics Processor
GPU Name Amethyst GB203
GPU Variant Amethyst XT
Architecture GCN 3.0 Blackwell 2.0
Foundry TSMC TSMC
Process Size 28 nm 5 nm
Transistors 5 billion 45.6 billion
Die Size 366 mm² 378 mm²
Board Design
TDP 250W 80W
Outputs No outputs Portable Device Dependent
Suggested PSU 550 W
Power Connectors None
Graphics Features
DirectX 12 (12_0) 12 Ultimate (12_2)
OpenGL 4.6 4.6
OpenCL 2.0 3.0
Vulkan 1.2 1.4
Shader Model 6.3 6.8
CUDA 12.0