NVIDIA GeForce RTX 4090 Mobile vs NVIDIA RTX A4000
GPU Specs Compare
Graphics Card
Release Date
Jan 2023
Apr 2021
Generation
GeForce 40 Mobile
Quadro Ampere
Type
Mobile
Professional
Bus Interface
PCIe 4.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
1335 MHz
735 MHz
Boost Clock
1695 MHz
1560 MHz
Memory Clock
2250 MHz
1750 MHz
Memory
Memory Size
16GB
16GB
Memory Type
GDDR6
GDDR6
Memory Bus
256bit
256bit
Bandwidth
576.0GB/s
448.0GB/s
Render Config
SM Count
76
48
Shading Units
9728
6144
TMUs
304
192
ROPs
112
96
Tensor Cores
304
192
RT Cores
76
48
L1 Cache
128 KB (per SM)
128 KB (per SM)
L2 Cache
64 MB
4 MB
Theoretical Performance
Pixel Rate
189.8 GPixel/s
149.8 GPixel/s
Texture Rate
515.3 GTexel/s
299.5 GTexel/s
FP16 (half)
32.98 TFLOPS
19.17 TFLOPS
FP32 (float)
32.98 TFLOPS
19.17 TFLOPS
FP64 (double)
515.3 GFLOPS
299.5 GFLOPS
Graphics Processor
GPU Name
AD103
GA104
GPU Variant
GN21-X11
GA104-875-A1
Architecture
Ada Lovelace
Ampere
Foundry
TSMC
Samsung
Process Size
5 nm
8 nm
Transistors
45.9 billion
17.4 billion
Die Size
379 mm²
392 mm²
Board Design
TDP
120W
140W
Outputs
Portable Device Dependent
4x DisplayPort 1.4a
Power Connectors
None
1x 6-pin
Suggested PSU
-
300 W
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
8.6
Shader Model
6.8
6.7
📊 Benchmark
3DMark Time Spy
-
11,079
3DMark Time Spy Extreme
-
5,367
OctaneBench
-
352