NVIDIA RTX A4000 Max-Q vs NVIDIA RTX PRO 4500 Blackwell Server
GPU Specs Compare
Graphics Card
Release Date
Apr 2021
Mar 2026
Generation
Ampere-MW
Server Blackwell
Type
Mobile
Professional
Bus Interface
PCIe 4.0 x16
PCIe 5.0 x16
Clock Speeds
Base Clock
780 MHz
1215 MHz
Boost Clock
1395 MHz
2415 MHz
Memory Clock
1375 MHz
1563 MHz
Memory
Memory Size
8GB
32GB
Memory Type
GDDR6
GDDR7
Memory Bus
256bit
256bit
Bandwidth
352.0GB/s
800.3GB/s
Render Config
SM Count
40
82
Shading Units
5120
10496
TMUs
160
328
ROPs
80
112
Tensor Cores
160
328
RT Cores
40
82
L1 Cache
128 KB (per SM)
128 KB (per SM)
L2 Cache
4 MB
64 MB
Theoretical Performance
Pixel Rate
111.6 GPixel/s
270.5 GPixel/s
Texture Rate
223.2 GTexel/s
792.1 GTexel/s
FP16 (half)
14.28 TFLOPS
50.70 TFLOPS
FP32 (float)
14.28 TFLOPS
50.70 TFLOPS
FP64 (double)
223.2 GFLOPS
792.1 GFLOPS
Graphics Processor
GPU Name
GA104
GB203
Architecture
Ampere
Blackwell 2.0
Foundry
Samsung
TSMC
Process Size
8 nm
5 nm
Transistors
17.4 billion
45.6 billion
Die Size
392 mm²
378 mm²
Board Design
TDP
80W
165W
Outputs
Portable Device Dependent
No outputs
Power Connectors
None
1x 16-pin
Suggested PSU
-
450 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
1.4
CUDA
8.6
12.0
Shader Model
6.8
6.9