Product Compare

NVIDIA GeForce RTX 6080 vs AMD Radeon Instinct MI8

GPU GPU
Graphics Card
Release Date Jan 2027 Dec 2016
Generation GeForce 60 Radeon Instinct
Type Desktop Professional
Bus Interface PCIe 5.0 x16 PCIe 3.0 x16
Clock Speeds
Base Clock 2300 MHz
Boost Clock 2800 MHz
Memory Clock 1875 MHz 500 MHz
Memory
Memory Size 20GB 4GB
Memory Type GDDR7 HBM
Memory Bus 320bit 4096bit
Bandwidth 1.20TB/s 512.0GB/s
Render Config
SM Count 84
Shading Units 10752 4096
TMUs 336 256
ROPs 112 64
Tensor Cores 336
RT Cores 84
L1 Cache 128 KB (per SM) 16 KB (per CU)
L2 Cache 64 MB 2 MB
Compute Units 64
Theoretical Performance
Pixel Rate 313.6 GPixel/s 64.00 GPixel/s
Texture Rate 940.8 GTexel/s 256.0 GTexel/s
FP16 (half) 60.21 TFLOPS 8.192 TFLOPS
FP32 (float) 60.21 TFLOPS 8.192 TFLOPS
FP64 (double) 940.8 GFLOPS 512.0 GFLOPS
Graphics Processor
GPU Name GR203 Fiji
GPU Variant GR203-400-A1 Fiji XT CA(215-0862120)
Architecture Rubin GCN 3.0
Foundry TSMC TSMC
Process Size 3 nm 28 nm
Transistors Unknown 8.9 billion
Die Size Unknown 596 mm²
Board Design
TDP 350W 175W
Suggested PSU 750 W 450 W
Outputs 1x HDMI 2.1b3x DisplayPort 2.1b No outputs
Power Connectors 1x 16-pin 1x 8-pin
Graphics Features
DirectX 12 Ultimate (12_2) 12 (12_0)
OpenGL 4.6 4.6
OpenCL 3.0 2.1
Vulkan 1.4 1.2.170
CUDA 12.0
Shader Model 6.9 6.5