AMD Radeon Instinct MI455X vs NVIDIA Quadro RTX 5000
GPU Specs Compare
Graphics Card
Release Date
Jul 2026
Aug 2018
Generation
Radeon Instinct
Quadro
Type
Desktop
Professional
Bus Interface
PCIe 6.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1000 MHz
1620 MHz
Boost Clock
2400 MHz
1815 MHz
Memory Clock
1900 MHz
1750 MHz
Memory
Memory Size
432GB
16GB
Memory Type
HBM4
GDDR6
Memory Bus
24576bit
256bit
Bandwidth
23.3TB/s
448.0GB/s
Render Config
Compute Units
256
-
Shading Units
32768
3072
TMUs
1024
192
ROPs
0
64
L1 Cache
32 KB (per CU)
64 KB (per SM)
L2 Cache
192 MB
4 MB
SM Count
-
48
Tensor Cores
-
384
RT Cores
-
48
Theoretical Performance
Pixel Rate
0 MPixel/s
116.2 GPixel/s
Texture Rate
2457.6 GTexel/s
348.5 GTexel/s
FP16 (half)
157.3 TFLOPS
22.30 TFLOPS
FP32 (float)
157.3 TFLOPS
11.15 TFLOPS
FP64 (double)
2.458 TFLOPS
348.5 GFLOPS
Graphics Processor
GPU Name
MI450 256CU
TU104
Architecture
CDNA 5.0
Turing
Foundry
TSMC
TSMC
Process Size
2 nm
12 nm
Transistors
320 billion
13.6 billion
Die Size
Unknown
545 mm²
GPU Variant
-
TU104-875-A1
Board Design
TDP
2300W
230W
Suggested PSU
2700 W
550 W
Outputs
No outputs
4x DisplayPort 1.4a1x USB Type-C
Power Connectors
None
1x 6-pin + 1x 8-pin
Graphics Features
DirectX
N/A
12 Ultimate (12_2)
OpenGL
N/A
4.6
OpenCL
3.0
3.0
Vulkan
N/A
1.3
Shader Model
N/A
6.6
CUDA
-
7.5