AMD Radeon Instinct MI455X vs NVIDIA Quadro M4000
GPU · Specs Compare
Graphics Card
Release Date
Jul 2026
Jun 2015
Generation
Radeon Instinct
Quadro
Type
Desktop
Professional
Bus Interface
PCIe 6.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1000 MHz
—
Boost Clock
2400 MHz
—
Memory Clock
1900 MHz
1502 MHz
Memory
Memory Size
432GB
8GB
Memory Type
HBM4
GDDR5
Memory Bus
24576bit
256bit
Bandwidth
23.3TB/s
192.3GB/s
Render Config
Compute Units
256
—
Shading Units
32768
1664
TMUs
1024
104
ROPs
0
64
L1 Cache
32 KB (per CU)
48 KB (per SMM)
L2 Cache
192 MB
2 MB
Theoretical Performance
Pixel Rate
0 MPixel/s
49.47 GPixel/s
Texture Rate
2457.6 GTexel/s
80.39 GTexel/s
FP16 (half)
157.3 TFLOPS
—
FP32 (float)
157.3 TFLOPS
2.573 TFLOPS
FP64 (double)
2.458 TFLOPS
80.39 GFLOPS
Graphics Processor
GPU Name
MI450 256CU
GM204
Architecture
CDNA 5.0
Maxwell 2.0
Foundry
TSMC
TSMC
Process Size
2 nm
28 nm
Transistors
320 billion
5.2 billion
Die Size
Unknown
398 mm²
GPU Variant
—
GM204-850-A1
Board Design
TDP
2300W
120W
Suggested PSU
2700 W
300 W
Outputs
No outputs
4x DisplayPort 1.4a
Power Connectors
None
1x 6-pin
Graphics Features
DirectX
N/A
12 (12_1)
OpenGL
N/A
4.6
OpenCL
3.0
3.0
Vulkan
N/A
1.3
Shader Model
N/A
6.4
CUDA
—
5.2
Benchmark
3DMark Time Spy
—
2,305
3DMark Time Spy Extreme
—
1,086
OctaneBench
—
56
▲ Specs Compare
Data sourced from official specifications and benchmark tests.