NVIDIA GeForce RTX 5090 Mobile vs NVIDIA RTX A4000 Max-Q
We compared two Mobile platform GPUs: 24GB VRAM GeForce RTX 5090 Mobile and 8GB VRAM RTX A4000 Max Q to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce RTX 5090 Mobile 's Advantages
Released 3 years and 11 months late
Boost Clock has increased by 9% (1515MHz vs 1395MHz)
More VRAM (24GB vs 8GB)
Larger VRAM bandwidth (896.0GB/s vs 352.0GB/s)
5376 additional rendering cores
NVIDIA RTX A4000 Max-Q 's Advantages
Lower TDP (80W vs 95W)
Score
Benchmark
FP32 (float)
GeForce RTX 5090 Mobile
+122%
31.8 TFLOPS
RTX A4000 Max Q
14.28 TFLOPS
Graphics Card
Mar 2025
Release Date
Apr 2021
GeForce 50 Mobile
Generation
Ampere-MW
Mobile
Type
Mobile
PCIe 5.0 x16
Bus Interface
PCIe 4.0 x16
Clock Speeds
990 MHz
Base Clock
780 MHz
1515 MHz
Boost Clock
1395 MHz
1750 MHz
Memory Clock
1375 MHz
Memory
24GB
Memory Size
8GB
GDDR7
Memory Type
GDDR6
256bit
Memory Bus
256bit
896.0GB/s
Bandwidth
352.0GB/s
Render Config
-
-
-
82
SM Count
40
10496
Shading Units
5120
328
TMUs
160
112
ROPs
80
328
Tensor Cores
160
82
RT Cores
40
128 KB (per SM)
L1 Cache
128 KB (per SM)
64 MB
L2 Cache
4 MB
-
-
-
Theoretical Performance
169.7 GPixel/s
Pixel Rate
111.6 GPixel/s
496.9 GTexel/s
Texture Rate
223.2 GTexel/s
31.80 TFLOPS
FP16 (half)
14.28 TFLOPS
31.80 TFLOPS
FP32 (float)
14.28 TFLOPS
496.9 GFLOPS
FP64 (double)
223.2 GFLOPS
Board Design
95W
TDP
80W
550 W
Suggested PSU
-
Portable Device Dependent
Outputs
Portable Device Dependent
None
Power Connectors
None
Graphics Processor
GB203
GPU Name
GA104
GN22-X11-A1
GPU Variant
-
Blackwell 2.0
Architecture
Ampere
TSMC
Foundry
Samsung
5 nm
Process Size
8 nm
45.6 billion
Transistors
17.4 billion
378 mm²
Die Size
392 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
3.0
OpenCL
3.0
1.4
Vulkan
1.3
12.0
CUDA
8.6
6.8
Shader Model
6.8
