AMD Steam Deck GPU vs NVIDIA GeForce RTX 4090 Max-Q
GPU Specs Compare
Graphics Card
Release Date
Feb 2022
Jan 2023
Generation
Console GPU
GeForce 40 Mobile
Type
Game console
Mobile
Bus Interface
-
PCIe 4.0 x16
Clock Speeds
Base Clock
1000 MHz
930 MHz
Boost Clock
1600 MHz
1455 MHz
Memory Clock
1375 MHz
1750 MHz
Memory
Memory Size
16GB
16GB
Memory Type
LPDDR5
GDDR6
Memory Bus
128bit
256bit
Bandwidth
88.00GB/s
448.0GB/s
Render Config
Compute Units
8
-
Shading Units
512
9728
TMUs
32
304
ROPs
16
112
RT Cores
8
76
L1 Cache
128 KB per Array
128 KB (per SM)
L2 Cache
1024 KB
64 MB
L3 Cache
8 MB
-
SM Count
-
76
Tensor Cores
-
304
Theoretical Performance
Pixel Rate
25.60 GPixel/s
163.0 GPixel/s
Texture Rate
51.20 GTexel/s
442.3 GTexel/s
FP16 (half)
3.277 TFLOPS
28.31 TFLOPS
FP32 (float)
1.638 TFLOPS
28.31 TFLOPS
FP64 (double)
102.4 GFLOPS
442.3 GFLOPS
Graphics Processor
GPU Name
Van Gogh
AD103
GPU Variant
100-000000405
GN21-X11
Architecture
RDNA 2.0
Ada Lovelace
Foundry
TSMC
TSMC
Process Size
7 nm
4 nm
Transistors
2.4 billion
45.9 billion
Die Size
163 mm²
379 mm²
Board Design
TDP
15W
80W
Outputs
1x USB Type-C
Portable Device Dependent
Power Connectors
None
None
Graphics Features
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
2.0
3.0
Vulkan
1.3
1.3
Shader Model
6.8
6.7
CUDA
-
8.9