NVIDIA GeForce RTX 4090 Max-Q vs AMD Radeon Pro Duo
GPU · Specs Compare
Graphics Card
Release Date
Jan 2023
Apr 2016
Generation
GeForce 40 Mobile
Radeon Pro
Type
Mobile
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
930 MHz
—
Boost Clock
1455 MHz
—
Memory Clock
1750 MHz
500 MHz
Memory
Memory Size
16GB
4GB
Memory Type
GDDR6
HBM
Memory Bus
256bit
4096bit
Bandwidth
448.0GB/s
512.0GB/s
Render Config
SM Count
76
—
Shading Units
9728
4096
TMUs
304
256
ROPs
112
64
Tensor Cores
304
—
RT Cores
76
—
L1 Cache
128 KB (per SM)
16 KB (per CU)
L2 Cache
64 MB
2 MB
Compute Units
—
64
Theoretical Performance
Pixel Rate
163.0 GPixel/s
64.00 GPixel/s
Texture Rate
442.3 GTexel/s
256.0 GTexel/s
FP16 (half)
28.31 TFLOPS
8.192 TFLOPS
FP32 (float)
28.31 TFLOPS
8.192 TFLOPS
FP64 (double)
442.3 GFLOPS
512.0 GFLOPS
Graphics Processor
GPU Name
AD103
Capsaicin
GPU Variant
GN21-X11
Capsaicin XT
Architecture
Ada Lovelace
GCN 3.0
Foundry
TSMC
TSMC
Process Size
4 nm
28 nm
Transistors
45.9 billion
8.9 billion
Die Size
379 mm²
596 mm²
Board Design
TDP
80W
350W
Outputs
Portable Device Dependent
1x HDMI 1.4a3x DisplayPort 1.2
Power Connectors
None
3x 8-pin
Suggested PSU
—
750 W
Graphics Features
DirectX
12 Ultimate (12_2)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
3.0
2.0
Vulkan
1.3
1.2
CUDA
8.9
—
Shader Model
6.7
6.0
▲ Specs Compare
Data sourced from official specifications and benchmark tests.