NVIDIA Jetson T4000 vs AMD Radeon Instinct MI455X
GPU Specs Compare
Graphics Card
Release Date
Aug 2025
Jul 2026
Generation
Server Blackwell
Radeon Instinct
Type
Desktop
Desktop
Bus Interface
PCIe 5.0 x16
PCIe 6.0 x16
Clock Speeds
Base Clock
1665 MHz
1000 MHz
Boost Clock
2525 MHz
2400 MHz
Memory Clock
1067 MHz
1900 MHz
Memory
Memory Size
64GB
432GB
Memory Type
LPDDR5X
HBM4
Memory Bus
256bit
24576bit
Bandwidth
273.2GB/s
23.3TB/s
Render Config
SM Count
12
-
Shading Units
1536
32768
TMUs
64
1024
ROPs
16
0
Tensor Cores
64
-
RT Cores
12
-
L1 Cache
256 KB (per SM)
32 KB (per CU)
L2 Cache
50 MB
192 MB
Compute Units
-
256
Theoretical Performance
Pixel Rate
40.40 GPixel/s
0 MPixel/s
Texture Rate
161.6 GTexel/s
2457.6 GTexel/s
FP16 (half)
31.03 TFLOPS
157.3 TFLOPS
FP32 (float)
7.757 TFLOPS
157.3 TFLOPS
FP64 (double)
3.878 TFLOPS
2.458 TFLOPS
Graphics Processor
GPU Name
GB10
MI450 256CU
GPU Variant
Jetson
-
Architecture
Blackwell
CDNA 5.0
Foundry
TSMC
TSMC
Process Size
3 nm
2 nm
Transistors
Unknown
320 billion
Die Size
Unknown
Unknown
Board Design
TDP
40W
2300W
Suggested PSU
200 W
2700 W
Outputs
1x HDMI
No outputs
Power Connectors
None
None
Graphics Features
DirectX
N/A
N/A
OpenGL
N/A
N/A
OpenCL
3.0
3.0
Vulkan
N/A
N/A
CUDA
10.1
-
Shader Model
N/A
N/A