NVIDIA RTX A4000 Max-Q vs NVIDIA GeForce RTX 4090 Max-Q
GPU Specs Compare
Graphics Card
Release Date
Apr 2021
Jan 2023
Generation
Ampere-MW
GeForce 40 Mobile
Type
Mobile
Mobile
Bus Interface
PCIe 4.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
780 MHz
930 MHz
Boost Clock
1395 MHz
1455 MHz
Memory Clock
1375 MHz
1750 MHz
Memory
Memory Size
8GB
16GB
Memory Type
GDDR6
GDDR6
Memory Bus
256bit
256bit
Bandwidth
352.0GB/s
448.0GB/s
Render Config
SM Count
40
76
Shading Units
5120
9728
TMUs
160
304
ROPs
80
112
Tensor Cores
160
304
RT Cores
40
76
L1 Cache
128 KB (per SM)
128 KB (per SM)
L2 Cache
4 MB
64 MB
Theoretical Performance
Pixel Rate
111.6 GPixel/s
163.0 GPixel/s
Texture Rate
223.2 GTexel/s
442.3 GTexel/s
FP16 (half)
14.28 TFLOPS
28.31 TFLOPS
FP32 (float)
14.28 TFLOPS
28.31 TFLOPS
FP64 (double)
223.2 GFLOPS
442.3 GFLOPS
Graphics Processor
GPU Name
GA104
AD103
Architecture
Ampere
Ada Lovelace
Foundry
Samsung
TSMC
Process Size
8 nm
4 nm
Transistors
17.4 billion
45.9 billion
Die Size
392 mm²
379 mm²
GPU Variant
-
GN21-X11
Board Design
TDP
80W
80W
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
8.6
8.9
Shader Model
6.8
6.7