Product Compare

AMD Radeon Instinct MI455X vs NVIDIA Quadro K5000 Mac Edition

GPU GPU
Graphics Card
Release Date Jul 2026 Aug 2012
Generation Radeon Instinct Quadro Kepler
Type Desktop Professional
Bus Interface PCIe 6.0 x16 PCIe 2.0 x16
Clock Speeds
Base Clock 1000 MHz 706 MHz
Boost Clock 2400 MHz 706 MHz
Memory Clock 1900 MHz 1350 MHz
Memory
Memory Size 432GB 4GB
Memory Type HBM4 GDDR5
Memory Bus 24576bit 256bit
Bandwidth 23.3TB/s 172.8GB/s
Render Config
Compute Units 256
Shading Units 32768 1536
TMUs 1024 128
ROPs 0 32
L1 Cache 32 KB (per CU) 16 KB (per SMX)
L2 Cache 192 MB 512 KB
Theoretical Performance
Pixel Rate 0 MPixel/s 22.59 GPixel/s
Texture Rate 2457.6 GTexel/s 90.37 GTexel/s
FP16 (half) 157.3 TFLOPS
FP32 (float) 157.3 TFLOPS 2.169 TFLOPS
FP64 (double) 2.458 TFLOPS 90.37 GFLOPS
Graphics Processor
GPU Name MI450 256CU GK104
Architecture CDNA 5.0 Kepler
Foundry TSMC TSMC
Process Size 2 nm 28 nm
Transistors 320 billion 3.54 billion
Die Size Unknown 294 mm²
Board Design
TDP 2300W 122W
Suggested PSU 2700 W 300 W
Outputs No outputs 2x DVI2x DisplayPort 1.2
Power Connectors None 1x 6-pin
Graphics Features
DirectX N/A 12 (11_0)
OpenGL N/A 4.6
OpenCL 3.0 3.0
Vulkan N/A 1.2.175
Shader Model N/A 6.5 (5.1)
CUDA 3.0