NVIDIA RTX PRO 4500 Blackwell Server vs AMD Radeon R9 M390X
GPU · Specs Compare
Graphics Card
Release Date
Mar 2026
May 2015
Generation
Server Blackwell
Crystal System
Type
Professional
Mobile
Bus Interface
PCIe 5.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1215 MHz
—
Boost Clock
2415 MHz
—
Memory Clock
1563 MHz
1250 MHz
Memory
Memory Size
32GB
4GB
Memory Type
GDDR7
GDDR5
Memory Bus
256bit
256bit
Bandwidth
800.3GB/s
160.0GB/s
Render Config
SM Count
82
—
Shading Units
10496
2048
TMUs
328
128
ROPs
112
32
Tensor Cores
328
—
RT Cores
82
—
L1 Cache
128 KB (per SM)
16 KB (per CU)
L2 Cache
64 MB
512 KB
Compute Units
—
32
Theoretical Performance
Pixel Rate
270.5 GPixel/s
23.14 GPixel/s
Texture Rate
792.1 GTexel/s
92.54 GTexel/s
FP16 (half)
50.70 TFLOPS
2.961 TFLOPS
FP32 (float)
50.70 TFLOPS
2.961 TFLOPS
FP64 (double)
792.1 GFLOPS
185.1 GFLOPS
Graphics Processor
GPU Name
GB203
Amethyst
Architecture
Blackwell 2.0
GCN 3.0
Foundry
TSMC
TSMC
Process Size
5 nm
28 nm
Transistors
45.6 billion
5 billion
Die Size
378 mm²
366 mm²
GPU Variant
—
Amethyst XT
Board Design
TDP
165W
75W
Suggested PSU
450 W
—
Outputs
No outputs
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
2.0
Vulkan
1.4
1.2
CUDA
12.0
—
Shader Model
6.9
6.3
▲ Specs Compare
Data sourced from official specifications and benchmark tests.