Product Compare

AMD Radeon RX 6800 XT vs NVIDIA GeForce GTX 1080 11Gbps

GPU GPU
Graphics Card
Release Date Oct 2020 Apr 2017
Generation Navi II GeForce 10
Type Desktop Desktop
Bus Interface PCIe 4.0 x16 PCIe 3.0 x16
Clock Speeds
Base Clock 1825 MHz 1607 MHz
Boost Clock 2250 MHz 1733 MHz
Memory Clock 2000 MHz 1376 MHz
Memory
Memory Size 16GB 8GB
Memory Type GDDR6 GDDR5X
Memory Bus 256bit 256bit
Bandwidth 512.0GB/s 352.3GB/s
Render Config
Compute Units 72
Shading Units 4608 2560
TMUs 288 160
ROPs 128 64
RT Cores 72
L1 Cache 128 KB per Array 48 KB (per SM)
L2 Cache 4 MB 2 MB
L3 Cache 128 MB
SM Count 20
Theoretical Performance
Pixel Rate 288.0 GPixel/s 110.9 GPixel/s
Texture Rate 648.0 GTexel/s 277.3 GTexel/s
FP16 (half) 41.47 TFLOPS 138.6 GFLOPS
FP32 (float) 20.74 TFLOPS 8.873 TFLOPS
FP64 (double) 1296 GFLOPS 277.3 GFLOPS
Graphics Processor
GPU Name Navi 21 GP104
GPU Variant Navi 21 XT(215-121000177) GP104-410-A1
Architecture RDNA 2.0 Pascal
Foundry TSMC TSMC
Process Size 7 nm 16 nm
Transistors 26.8 billion 7.2 billion
Die Size 520 mm² 314 mm²
Board Design
TDP 300W 180W
Suggested PSU 700 W 450 W
Outputs 1x HDMI 2.12x DisplayPort 1.4a1x USB Type-C 1x DVI1x HDMI 2.03x DisplayPort 1.4a
Power Connectors 2x 8-pin 1x 8-pin
Graphics Features
DirectX 12 Ultimate (12_2) 12 (12_1)
OpenGL 4.6 4.6
OpenCL 2.1 3.0
Vulkan 1.3 1.3
Shader Model 6.5 6.4
CUDA 6.1