NVIDIA RTX PRO 4500 Blackwell Workstation vs AMD Radeon RX 640 Mobile
GPU Specs Compare
Graphics Card
Release Date
Mar 2025
May 2019
Generation
Blackwell PRO W
Mobility Radeon
Type
Desktop
Mobile
Bus Interface
PCIe 5.0 x16
PCIe 3.0 x8
Clock Speeds
Base Clock
1635 MHz
1082 MHz
Boost Clock
2407 MHz
1218 MHz
Memory Clock
1750 MHz
1500 MHz
Memory
Memory Size
32GB
2GB
Memory Type
GDDR7
GDDR5
Memory Bus
256bit
64bit
Bandwidth
896.0GB/s
48.00GB/s
Render Config
SM Count
82
-
Shading Units
10496
640
TMUs
328
40
ROPs
112
16
Tensor Cores
328
-
RT Cores
82
-
L1 Cache
128 KB (per SM)
16 KB (per CU)
L2 Cache
64 MB
512 KB
Compute Units
-
10
Theoretical Performance
Pixel Rate
269.6 GPixel/s
19.49 GPixel/s
Texture Rate
789.5 GTexel/s
48.72 GTexel/s
FP16 (half)
50.53 TFLOPS
1.559 TFLOPS
FP32 (float)
50.53 TFLOPS
1.559 TFLOPS
FP64 (double)
789.5 GFLOPS
97.44 GFLOPS
Graphics Processor
GPU Name
GB203
Polaris 23
Architecture
Blackwell 2.0
GCN 4.0
Foundry
TSMC
GlobalFoundries
Process Size
5 nm
14 nm
Transistors
45.6 billion
2.2 billion
Die Size
378 mm²
103 mm²
GPU Variant
-
Polaris 23 XT
Board Design
TDP
200W
50W
Suggested PSU
550 W
-
Outputs
4x DisplayPort 2.1b
No outputs
Power Connectors
1x 16-pin
None
Graphics Features
DirectX
12 Ultimate (12_2)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
3.0
2.1
Vulkan
1.4
1.2
CUDA
12.0
-
Shader Model
6.9
6.4