NVIDIA GeForce RTX 4090 Max-Q vs AMD Radeon Instinct MI50
GPU Specs Compare
Graphics Card
Release Date
Jan 2023
Nov 2018
Generation
GeForce 40 Mobile
Radeon Instinct
Type
Mobile
Professional
Bus Interface
PCIe 4.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
930 MHz
1200 MHz
Boost Clock
1455 MHz
1746 MHz
Memory Clock
1750 MHz
1000 MHz
Memory
Memory Size
16GB
16GB
Memory Type
GDDR6
HBM2
Memory Bus
256bit
4096bit
Bandwidth
448.0GB/s
1.02TB/s
Render Config
SM Count
76
-
Shading Units
9728
3840
TMUs
304
240
ROPs
112
64
Tensor Cores
304
-
RT Cores
76
32
L1 Cache
128 KB (per SM)
16 KB (per CU)
L2 Cache
64 MB
4 MB
Compute Units
-
60
L3 Cache
-
32 MB
Theoretical Performance
Pixel Rate
163.0 GPixel/s
111.7 GPixel/s
Texture Rate
442.3 GTexel/s
419.0 GTexel/s
FP16 (half)
28.31 TFLOPS
26.82 TFLOPS
FP32 (float)
28.31 TFLOPS
13.41 TFLOPS
FP64 (double)
442.3 GFLOPS
6.705 TFLOPS
Graphics Processor
GPU Name
AD103
Vega 20
GPU Variant
GN21-X11
Vega 20 GLXT
Architecture
Ada Lovelace
GCN 5.1
Foundry
TSMC
TSMC
Process Size
4 nm
7 nm
Transistors
45.9 billion
13.23 billion
Die Size
379 mm²
331 mm²
Board Design
TDP
80W
300W
Outputs
Portable Device Dependent
1x mini-DisplayPort 1.4a
Power Connectors
None
2x 8-pin
Suggested PSU
-
700 W
Graphics Features
DirectX
12 Ultimate (12_2)
12 (12_1)
OpenGL
4.6
4.6
OpenCL
3.0
2.1
Vulkan
1.3
1.3
CUDA
8.9
-
Shader Model
6.7
6.7