AMD Radeon Instinct MI455X vs NVIDIA Jetson T4000

GPU · Specs Compare

Products
GPU AMD Radeon Instinct MI455X AMD · 2026-07
GPU NVIDIA Jetson T4000 NVIDIA · 2025-08
Graphics Card
Release Date
Jul 2026
Aug 2025
Generation
Radeon Instinct
Server Blackwell
Type
Desktop
Desktop
Bus Interface
PCIe 6.0 x16
PCIe 5.0 x16
Clock Speeds
Base Clock
1000 MHz
1665 MHz
Boost Clock
2400 MHz
2525 MHz
Memory Clock
1900 MHz
1067 MHz
Memory
Memory Size
432GB
64GB
Memory Type
HBM4
LPDDR5X
Memory Bus
24576bit
256bit
Bandwidth
23.3TB/s
273.2GB/s
Render Config
Compute Units
256
—
Shading Units
32768
1536
TMUs
1024
64
ROPs
0
16
L1 Cache
32 KB (per CU)
256 KB (per SM)
L2 Cache
192 MB
50 MB
SM Count
—
12
Tensor Cores
—
64
RT Cores
—
12
Theoretical Performance
Pixel Rate
0 MPixel/s
40.40 GPixel/s
Texture Rate
2457.6 GTexel/s
161.6 GTexel/s
FP16 (half)
157.3 TFLOPS
31.03 TFLOPS
FP32 (float)
157.3 TFLOPS
7.757 TFLOPS
FP64 (double)
2.458 TFLOPS
3.878 TFLOPS
Graphics Processor
GPU Name
MI450 256CU
GB10
Architecture
CDNA 5.0
Blackwell
Foundry
TSMC
TSMC
Process Size
2 nm
3 nm
Transistors
320 billion
Unknown
Die Size
Unknown
Unknown
GPU Variant
—
Jetson
Board Design
TDP
2300W
40W
Suggested PSU
2700 W
200 W
Outputs
No outputs
1x HDMI
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
Shader Model
N/A
N/A
CUDA
—
10.1
▲ Specs Compare Data sourced from official specifications and benchmark tests.