NVIDIA GeForce RTX 4050 Max-Q vs AMD Radeon Instinct MI455X
GPU · Specs Compare
Graphics Card
Release Date
Jan 2023
Jul 2026
Generation
GeForce 40 Mobile
Radeon Instinct
Type
Mobile
Desktop
Bus Interface
PCIe 4.0 x8
PCIe 6.0 x16
Clock Speeds
Base Clock
1140 MHz
1000 MHz
Boost Clock
1605 MHz
2400 MHz
Memory Clock
2000 MHz
1900 MHz
Memory
Memory Size
6GB
432GB
Memory Type
GDDR6
HBM4
Memory Bus
96bit
24576bit
Bandwidth
192.0GB/s
23.3TB/s
Render Config
SM Count
20
—
Shading Units
2560
32768
TMUs
80
1024
ROPs
48
0
Tensor Cores
80
—
RT Cores
20
—
L1 Cache
128 KB (per SM)
32 KB (per CU)
L2 Cache
12 MB
192 MB
Compute Units
—
256
Theoretical Performance
Pixel Rate
77.04 GPixel/s
0 MPixel/s
Texture Rate
128.4 GTexel/s
2457.6 GTexel/s
FP16 (half)
8.218 TFLOPS
157.3 TFLOPS
FP32 (float)
8.218 TFLOPS
157.3 TFLOPS
FP64 (double)
128.4 GFLOPS
2.458 TFLOPS
Graphics Processor
GPU Name
AD107
MI450 256CU
GPU Variant
GN21-X2
—
Architecture
Ada Lovelace
CDNA 5.0
Foundry
TSMC
TSMC
Process Size
5 nm
2 nm
Transistors
18.9 billion
320 billion
Die Size
159 mm²
Unknown
Board Design
TDP
35W
2300W
Outputs
Portable Device Dependent
No outputs
Power Connectors
None
None
Suggested PSU
—
2700 W
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
8.9
—
Shader Model
6.8
N/A
▲ Specs Compare
Data sourced from official specifications and benchmark tests.