NVIDIA Quadro RTX 6000 vs AMD Radeon Instinct MI455X
GPU · Specs Compare
Graphics Card
Release Date
Aug 2018
Jul 2026
Generation
Quadro
Radeon Instinct
Type
Professional
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 6.0 x16
Clock Speeds
Base Clock
1440 MHz
1000 MHz
Boost Clock
1770 MHz
2400 MHz
Memory Clock
1750 MHz
1900 MHz
Memory
Memory Size
24GB
432GB
Memory Type
GDDR6
HBM4
Memory Bus
384bit
24576bit
Bandwidth
672.0GB/s
23.3TB/s
Render Config
SM Count
72
—
Shading Units
4608
32768
TMUs
288
1024
ROPs
96
0
Tensor Cores
576
—
RT Cores
72
—
L1 Cache
64 KB (per SM)
32 KB (per CU)
L2 Cache
6 MB
192 MB
Compute Units
—
256
Theoretical Performance
Pixel Rate
169.9 GPixel/s
0 MPixel/s
Texture Rate
509.8 GTexel/s
2457.6 GTexel/s
FP16 (half)
32.62 TFLOPS
157.3 TFLOPS
FP32 (float)
16.31 TFLOPS
157.3 TFLOPS
FP64 (double)
509.8 GFLOPS
2.458 TFLOPS
Graphics Processor
GPU Name
TU102
MI450 256CU
GPU Variant
TU102-875-A1
—
Architecture
Turing
CDNA 5.0
Foundry
TSMC
TSMC
Process Size
12 nm
2 nm
Transistors
18.6 billion
320 billion
Die Size
754 mm²
Unknown
Board Design
TDP
260W
2300W
Suggested PSU
600 W
2700 W
Outputs
4x DisplayPort 1.4a1x USB Type-C
No outputs
Power Connectors
1x 6-pin + 1x 8-pin
None
Graphics Features
DirectX
12 Ultimate (12_2)
N/A
OpenGL
4.6
N/A
OpenCL
3.0
3.0
Vulkan
1.3
N/A
CUDA
7.5
—
Shader Model
6.6
N/A
▲ Specs Compare
Data sourced from official specifications and benchmark tests.