NVIDIA GeForce RTX 4090 Mobile vs NVIDIA GeForce RTX 4080 Mobile
GPU Specs Compare
Graphics Card
Release Date
Jan 2023
Jan 2023
Generation
GeForce 40 Mobile
GeForce 40 Mobile
Type
Mobile
Mobile
Bus Interface
PCIe 4.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
1335 MHz
1290 MHz
Boost Clock
1695 MHz
1665 MHz
Memory Clock
2250 MHz
2250 MHz
Memory
Memory Size
16GB
12GB
Memory Type
GDDR6
GDDR6
Memory Bus
256bit
192bit
Bandwidth
576.0GB/s
432.0GB/s
Render Config
SM Count
76
58
Shading Units
9728
7424
TMUs
304
232
ROPs
112
80
Tensor Cores
304
232
RT Cores
76
58
L1 Cache
128 KB (per SM)
128 KB (per SM)
L2 Cache
64 MB
48 MB
Theoretical Performance
Pixel Rate
189.8 GPixel/s
133.2 GPixel/s
Texture Rate
515.3 GTexel/s
386.3 GTexel/s
FP16 (half)
32.98 TFLOPS
24.72 TFLOPS
FP32 (float)
32.98 TFLOPS
24.72 TFLOPS
FP64 (double)
515.3 GFLOPS
386.3 GFLOPS
Graphics Processor
GPU Name
AD103
AD104
GPU Variant
GN21-X11
GN21-X9
Architecture
Ada Lovelace
Ada Lovelace
Foundry
TSMC
TSMC
Process Size
5 nm
5 nm
Transistors
45.9 billion
35.8 billion
Die Size
379 mm²
294 mm²
Board Design
TDP
120W
110W
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
3.0
Vulkan
1.3
1.3
CUDA
8.9
8.9
Shader Model
6.8
6.8