NVIDIA Rubin GPU vs AMD Radeon RX 6450M
GPU Specs Compare
Graphics Card
Release Date
Jan 2026
Jan 2023
Generation
Server Rubin
Navi Mobile
Type
Desktop
Mobile
Bus Interface
PCIe 6.0 x16
PCIe 4.0 x4
Clock Speeds
Base Clock
700 MHz
2000 MHz
Boost Clock
2267 MHz
2460 MHz
Memory Clock
2695 MHz
2000 MHz
Memory
Memory Size
288GB
4GB
Memory Type
HBM4
GDDR6
Memory Bus
16384bit
64bit
Bandwidth
22.1TB/s
128.0GB/s
Render Config
SM Count
224
-
Shading Units
28672
768
TMUs
896
48
ROPs
24
32
Tensor Cores
896
-
L1 Cache
256 KB (per SM)
128 KB per Array
L2 Cache
128 MB
1024 KB
Compute Units
-
12
RT Cores
-
12
L3 Cache
-
16 MB
Theoretical Performance
Pixel Rate
54.41 GPixel/s
78.72 GPixel/s
Texture Rate
2031.2 GTexel/s
118.1 GTexel/s
FP16 (half)
260.0 TFLOPS
7.557 TFLOPS
FP32 (float)
130.0 TFLOPS
3.779 TFLOPS
FP64 (double)
32.50 TFLOPS
236.2 GFLOPS
Graphics Processor
GPU Name
GR100
Navi 24
Architecture
Rubin
RDNA 2.0
Foundry
TSMC
TSMC
Process Size
3 nm
6 nm
Transistors
336 billion
5.4 billion
Die Size
1456 mm²
107 mm²
GPU Variant
-
Navi 24 XML
Board Design
TDP
2300W
50W
Suggested PSU
2700 W
-
Outputs
No outputs
Portable Device Dependent
Power Connectors
-
None
Graphics Features
DirectX
N/A
12 Ultimate (12_2)
OpenGL
N/A
4.6
OpenCL
3.0
2.2
Vulkan
N/A
1.3
CUDA
10.7
-
Shader Model
N/A
6.7