Product Compare

NVIDIA Rubin Ultra GPU vs AMD Radeon RX 6900 XT

GPU GPU
Graphics Card
Release Date Jan 2027 Oct 2020
Generation Server Rubin Navi II
Type Desktop Desktop
Bus Interface PCIe 6.0 x16 PCIe 4.0 x16
Clock Speeds
Base Clock 700 MHz 1825 MHz
Boost Clock 2267 MHz 2250 MHz
Memory Clock 1900 MHz 2000 MHz
Memory
Memory Size 1024GB 16GB
Memory Type HBM4e GDDR6
Memory Bus 32768bit 256bit
Bandwidth 31.1TB/s 512.0GB/s
Render Config
SM Count 448
Shading Units 57344 5120
TMUs 1792 320
ROPs 24 128
Tensor Cores 1792
L1 Cache 256 KB (per SM) 128 KB per Array
L2 Cache 128 MB 4 MB
Compute Units 80
RT Cores 80
L3 Cache 128 MB
Theoretical Performance
Pixel Rate 54.41 GPixel/s 288.0 GPixel/s
Texture Rate 4062.5 GTexel/s 720.0 GTexel/s
FP16 (half) 520.0 TFLOPS 46.08 TFLOPS
FP32 (float) 260.0 TFLOPS 23.04 TFLOPS
FP64 (double) 65.00 TFLOPS 1440.0 GFLOPS
Graphics Processor
GPU Name GR110 Navi 21
Architecture Rubin Ultra RDNA 2.0
Foundry TSMC TSMC
Process Size 3 nm 7 nm
Transistors 670 billion 26.8 billion
Die Size 2912 mm² 520 mm²
GPU Variant Navi 21 XTX(215-121000167)
Board Design
TDP 3600W 300W
Suggested PSU 4000 W 700 W
Outputs No outputs 1x HDMI 2.12x DisplayPort 1.4a1x USB Type-C
Power Connectors 2x 8-pin
Graphics Features
DirectX N/A 12 Ultimate (12_2)
OpenGL N/A 4.6
OpenCL 3.0 2.1
Vulkan N/A 1.4
CUDA 10.7
Shader Model N/A 6.8