NVIDIA Rubin Ultra GPU vs AMD Radeon RX 6800S
GPU · Specs Compare
Graphics Card
Release Date
Jan 2027
Jan 2022
Generation
Server Rubin
Mobility Radeon
Type
Desktop
Mobile
Bus Interface
PCIe 6.0 x16
PCIe 4.0 x8
Clock Speeds
Base Clock
700 MHz
1800 MHz
Boost Clock
2267 MHz
2100 MHz
Memory Clock
1900 MHz
2000 MHz
Memory
Memory Size
1024GB
8GB
Memory Type
HBM4e
GDDR6
Memory Bus
32768bit
128bit
Bandwidth
31.1TB/s
256.0GB/s
Render Config
SM Count
448
—
Shading Units
57344
2048
TMUs
1792
128
ROPs
24
64
Tensor Cores
1792
—
L1 Cache
256 KB (per SM)
128 KB per Array
L2 Cache
128 MB
2 MB
Compute Units
—
32
RT Cores
—
32
L3 Cache
—
32 MB
Theoretical Performance
Pixel Rate
54.41 GPixel/s
134.4 GPixel/s
Texture Rate
4062.5 GTexel/s
268.8 GTexel/s
FP16 (half)
520.0 TFLOPS
17.20 TFLOPS
FP32 (float)
260.0 TFLOPS
8.602 TFLOPS
FP64 (double)
65.00 TFLOPS
537.6 GFLOPS
Graphics Processor
GPU Name
GR110
Navi 23
Architecture
Rubin Ultra
RDNA 2.0
Foundry
TSMC
TSMC
Process Size
3 nm
7 nm
Transistors
670 billion
11.06 billion
Die Size
2912 mm²
237 mm²
Board Design
TDP
3600W
100W
Suggested PSU
4000 W
—
Outputs
No outputs
No outputs
Power Connectors
—
None
Graphics Features
DirectX
N/A
12 Ultimate (12_2)
OpenGL
N/A
4.6
OpenCL
3.0
2.1
Vulkan
N/A
1.3
CUDA
10.7
—
Shader Model
N/A
6.5
▲ Specs Compare
Data sourced from official specifications and benchmark tests.