NVIDIA GeForce RTX 4090 Max-Q vs AMD Radeon RX 7900M
GPU Specs Compare
Graphics Card
Release Date
Jan 2023
Oct 2023
Generation
GeForce 40 Mobile
Navi Mobile
Type
Mobile
Mobile
Bus Interface
PCIe 4.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
930 MHz
1825 MHz
Boost Clock
1455 MHz
2090 MHz
Memory Clock
1750 MHz
2250 MHz
Memory
Memory Size
16GB
16GB
Memory Type
GDDR6
GDDR6
Memory Bus
256bit
256bit
Bandwidth
448.0GB/s
576.0GB/s
Render Config
SM Count
76
-
Shading Units
9728
4608
TMUs
304
288
ROPs
112
192
Tensor Cores
304
-
RT Cores
76
72
L1 Cache
128 KB (per SM)
256 KB per Array
L2 Cache
64 MB
6 MB
Compute Units
-
72
L3 Cache
-
64 MB
Theoretical Performance
Pixel Rate
163.0 GPixel/s
401.3 GPixel/s
Texture Rate
442.3 GTexel/s
601.9 GTexel/s
FP16 (half)
28.31 TFLOPS
77.05 TFLOPS
FP32 (float)
28.31 TFLOPS
38.52 TFLOPS
FP64 (double)
442.3 GFLOPS
1204 GFLOPS
Graphics Processor
GPU Name
AD103
Navi 31
GPU Variant
GN21-X11
Navi 31
Architecture
Ada Lovelace
RDNA 3.0
Foundry
TSMC
TSMC
Process Size
4 nm
5 nm
Transistors
45.9 billion
57.7 billion
Die Size
379 mm²
529 mm²
Board Design
TDP
80W
180W
Outputs
Portable Device Dependent
Portable Device Dependent
Power Connectors
None
None
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
📊 Benchmark
3DMark Time Spy
-
18,218
3DMark Time Spy Extreme
-
8,440
3DMark Speed Way
-
3,943
Blender
-
2,583