NVIDIA RTX PRO 4500 Blackwell vs AMD Steam Machine GPU
GPU Specs Compare
Graphics Card
Release Date
Mar 2025
Jan 2026
Generation
Blackwell PRO W
Console GPU
Type
Desktop
Desktop
Bus Interface
PCIe 5.0 x16
-
Clock Speeds
Base Clock
1635 MHz
1720 MHz
Boost Clock
2407 MHz
2450 MHz
Memory Clock
1750 MHz
2250 MHz
Memory
Memory Size
32GB
8GB
Memory Type
GDDR7
GDDR6
Memory Bus
256bit
128bit
Bandwidth
896.0GB/s
288.0GB/s
Render Config
SM Count
82
-
Shading Units
10496
1792
TMUs
328
112
ROPs
112
64
Tensor Cores
328
-
RT Cores
82
28
L1 Cache
128 KB (per SM)
128 KB per Array
L2 Cache
64 MB
2 MB
Compute Units
-
28
L3 Cache
-
32 MB
Theoretical Performance
Pixel Rate
269.6 GPixel/s
156.8 GPixel/s
Texture Rate
789.5 GTexel/s
274.4 GTexel/s
FP16 (half)
50.53 TFLOPS
35.12 TFLOPS
FP32 (float)
50.53 TFLOPS
17.56 TFLOPS
FP64 (double)
789.5 GFLOPS
548.8 GFLOPS
Graphics Processor
GPU Name
GB203
Navi 33
Architecture
Blackwell 2.0
RDNA 3.0
Foundry
TSMC
TSMC
Process Size
5 nm
6 nm
Transistors
45.6 billion
13.3 billion
Die Size
378 mm²
204 mm²
Board Design
TDP
200W
110W
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 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
3.0
2.2
Vulkan
1.4
1.4
CUDA
12.0
-
Shader Model
6.8
6.8