NVIDIA GeForce RTX 4090 Max-Q vs AMD Radeon Graphics 448SP
GPU · Specs Compare
Graphics Card
Release Date
Jan 2023
Jan 2021
Generation
GeForce 40 Mobile
Lucienne
Type
Mobile
Integrated
Bus Interface
PCIe 4.0 x16
IGP
Clock Speeds
Base Clock
930 MHz
300 MHz
Boost Clock
1455 MHz
1800 MHz
Memory Clock
1750 MHz
System Shared
Memory
Memory Size
16GB
System Shared
Memory Type
GDDR6
System Shared
Memory Bus
256bit
System Shared
Bandwidth
448.0GB/s
System Dependent
Render Config
SM Count
76
—
Shading Units
9728
448
TMUs
304
32
ROPs
112
8
Tensor Cores
304
—
RT Cores
76
—
L1 Cache
128 KB (per SM)
—
L2 Cache
64 MB
—
Compute Units
—
7
Theoretical Performance
Pixel Rate
163.0 GPixel/s
14.40 GPixel/s
Texture Rate
442.3 GTexel/s
57.60 GTexel/s
FP16 (half)
28.31 TFLOPS
3.226 TFLOPS
FP32 (float)
28.31 TFLOPS
1.613 TFLOPS
FP64 (double)
442.3 GFLOPS
100.8 GFLOPS
Graphics Processor
GPU Name
AD103
Lucienne
GPU Variant
GN21-X11
—
Architecture
Ada Lovelace
GCN 5.1
Foundry
TSMC
TSMC
Process Size
4 nm
7 nm
Transistors
45.9 billion
9.8 billion
Die Size
379 mm²
156 mm²
Board Design
TDP
80W
25W
Outputs
Portable Device Dependent
No outputs
Power Connectors
None
None
Graphics Features
DirectX
12 Ultimate (12_2)
12 (12_1)
OpenGL
4.6
4.6
OpenCL
3.0
2.1
Vulkan
1.3
1.2
CUDA
8.9
—
Shader Model
6.7
6.4
▲ Specs Compare
Data sourced from official specifications and benchmark tests.