Product Compare

NVIDIA L40G vs NVIDIA GeForce RTX 4090 Mobile

GPU GPU
Graphics Card
Release Date Oct 2022 Jan 2023
Generation Tesla Ada GeForce 40 Mobile
Type Professional Mobile
Bus Interface PCIe 4.0 x16 PCIe 4.0 x16
Clock Speeds
Base Clock 1005 MHz 1335 MHz
Boost Clock 2475 MHz 1695 MHz
Memory Clock 2250 MHz 2250 MHz
Memory
Memory Size 24GB 16GB
Memory Type GDDR6 GDDR6
Memory Bus 384bit 256bit
Bandwidth 864.0GB/s 576.0GB/s
Render Config
SM Count 142 76
Shading Units 18176 9728
TMUs 568 304
ROPs 192 112
Tensor Cores 568 304
RT Cores 142 76
L1 Cache 128 KB (per SM) 128 KB (per SM)
L2 Cache 48 MB 64 MB
Theoretical Performance
Pixel Rate 475.2 GPixel/s 189.8 GPixel/s
Texture Rate 1406 GTexel/s 515.3 GTexel/s
FP16 (half) 89.97 TFLOPS 32.98 TFLOPS
FP32 (float) 89.97 TFLOPS 32.98 TFLOPS
FP64 (double) 1406 GFLOPS 515.3 GFLOPS
Graphics Processor
GPU Name AD102 AD103
GPU Variant AD102-???-A1 GN21-X11
Architecture Ada Lovelace Ada Lovelace
Foundry TSMC TSMC
Process Size 4 nm 5 nm
Transistors 76.3 billion 45.9 billion
Die Size 608 mm² 379 mm²
Board Design
TDP 300W 120W
Suggested PSU 700 W
Outputs 1x HDMI 2.13x DisplayPort 1.4a Portable Device Dependent
Power Connectors 1x 16-pin 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 6.6 6.8