AMD Steam Machine GPU vs NVIDIA RTX PRO 4500 Blackwell
GPU Specs Compare
Graphics Card
Release Date
Jan 2026
Mar 2025
Generation
Console GPU
Blackwell PRO W
Type
Desktop
Desktop
Bus Interface
-
PCIe 5.0 x16
Clock Speeds
Base Clock
1720 MHz
1635 MHz
Boost Clock
2450 MHz
2407 MHz
Memory Clock
2250 MHz
1750 MHz
Memory
Memory Size
8GB
32GB
Memory Type
GDDR6
GDDR7
Memory Bus
128bit
256bit
Bandwidth
288.0GB/s
896.0GB/s
Render Config
Compute Units
28
-
Shading Units
1792
10496
TMUs
112
328
ROPs
64
112
RT Cores
28
82
L1 Cache
128 KB per Array
128 KB (per SM)
L2 Cache
2 MB
64 MB
L3 Cache
32 MB
-
SM Count
-
82
Tensor Cores
-
328
Theoretical Performance
Pixel Rate
156.8 GPixel/s
269.6 GPixel/s
Texture Rate
274.4 GTexel/s
789.5 GTexel/s
FP16 (half)
35.12 TFLOPS
50.53 TFLOPS
FP32 (float)
17.56 TFLOPS
50.53 TFLOPS
FP64 (double)
548.8 GFLOPS
789.5 GFLOPS
Graphics Processor
GPU Name
Navi 33
GB203
Architecture
RDNA 3.0
Blackwell 2.0
Foundry
TSMC
TSMC
Process Size
6 nm
5 nm
Transistors
13.3 billion
45.6 billion
Die Size
204 mm²
378 mm²
Board Design
TDP
110W
200W
Outputs
No outputs
4x DisplayPort 2.1b
Power Connectors
None
1x 16-pin
Suggested PSU
-
550 W
Graphics Features
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
2.2
3.0
Vulkan
1.4
1.4
Shader Model
6.8
6.8
CUDA
-
12.0