NVIDIA Rubin Ultra GPU vs AMD Radeon RX 6600
GPU Specs Compare
Graphics Card
Release Date
Jan 2027
Oct 2021
Generation
Server Rubin
Navi II
Type
Desktop
Desktop
Bus Interface
PCIe 6.0 x16
PCIe 4.0 x8
Clock Speeds
Base Clock
700 MHz
1626 MHz
Boost Clock
2267 MHz
2491 MHz
Memory Clock
1900 MHz
1750 MHz
Memory
Memory Size
1024GB
8GB
Memory Type
HBM4e
GDDR6
Memory Bus
32768bit
128bit
Bandwidth
31.1TB/s
224.0GB/s
Render Config
SM Count
448
-
Shading Units
57344
1792
TMUs
1792
112
ROPs
24
64
Tensor Cores
1792
-
L1 Cache
256 KB (per SM)
128 KB per Array
L2 Cache
128 MB
2 MB
Compute Units
-
28
RT Cores
-
28
L3 Cache
-
32 MB
Theoretical Performance
Pixel Rate
54.41 GPixel/s
159.4 GPixel/s
Texture Rate
4062.5 GTexel/s
279.0 GTexel/s
FP16 (half)
520.0 TFLOPS
17.86 TFLOPS
FP32 (float)
260.0 TFLOPS
8.928 TFLOPS
FP64 (double)
65.00 TFLOPS
558.0 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
GPU Variant
-
Navi 23 XL(215-130000016)
Board Design
TDP
3600W
132W
Suggested PSU
4000 W
300 W
Outputs
No outputs
1x HDMI 2.13x DisplayPort 1.4a
Power Connectors
-
1x 8-pin
Graphics Features
DirectX
N/A
12 Ultimate (12_2)
OpenGL
N/A
4.6
OpenCL
3.0
2.1
Vulkan
N/A
1.3
CUDA
10.7
-
Shader Model
N/A
6.5