NVIDIA GeForce RTX 4090 Max-Q vs AMD Radeon RX 7700
GPU Specs Compare
Graphics Card
Release Date
Jan 2023
Sep 2025
Generation
GeForce 40 Mobile
Navi III
Type
Mobile
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
930 MHz
1900 MHz
Boost Clock
1455 MHz
2600 MHz
Memory Clock
1750 MHz
2430 MHz
Memory
Memory Size
16GB
16GB
Memory Type
GDDR6
GDDR6
Memory Bus
256bit
256bit
Bandwidth
448.0GB/s
622.1GB/s
Render Config
SM Count
76
-
Shading Units
9728
2560
TMUs
304
160
ROPs
112
96
Tensor Cores
304
-
RT Cores
76
40
L1 Cache
128 KB (per SM)
128 KB per Array
L2 Cache
64 MB
2 MB
Compute Units
-
40
L3 Cache
-
64 MB
Theoretical Performance
Pixel Rate
163.0 GPixel/s
249.6 GPixel/s
Texture Rate
442.3 GTexel/s
416.0 GTexel/s
FP16 (half)
28.31 TFLOPS
53.25 TFLOPS
FP32 (float)
28.31 TFLOPS
26.62 TFLOPS
FP64 (double)
442.3 GFLOPS
832.0 GFLOPS
Graphics Processor
GPU Name
AD103
Navi 32
GPU Variant
GN21-X11
Navi 32
Architecture
Ada Lovelace
RDNA 3.0
Foundry
TSMC
TSMC
Process Size
4 nm
5 nm
Transistors
45.9 billion
28.1 billion
Die Size
379 mm²
346 mm²
Board Design
TDP
80W
200W
Outputs
Portable Device Dependent
1x HDMI 2.1a2x DisplayPort 2.11x USB Type-C
Power Connectors
None
1x 8-pin
Suggested PSU
-
550 W
Graphics Features
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
3.0
2.2
Vulkan
1.3
1.3
CUDA
8.9
-
Shader Model
6.7
6.8