NVIDIA RTX 4000 SFF Ada Generation vs NVIDIA RTX PRO 4500 Blackwell
GPU Specs Compare
Graphics Card
Release Date
Nov 2018
Mar 2025
Generation
Radeon Instinct
Blackwell PRO W
Type
Professional
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 5.0 x16
Clock Speeds
Base Clock
1200 MHz
1635 MHz
Boost Clock
1746 MHz
2407 MHz
Memory Clock
1000 MHz
1750 MHz
Memory
Memory Size
16GB
32GB
Memory Type
HBM2
GDDR7
Memory Bus
4096bit
256bit
Bandwidth
1.02TB/s
896.0GB/s
Render Config
SM Count
48
82
Compute Units
60
-
Shading Units
3840
10496
TMUs
240
328
ROPs
64
112
Tensor Cores
192
328
RT Cores
48
82
L1 Cache
16 KB (per CU)
128 KB (per SM)
L2 Cache
4 MB
64 MB
Theoretical Performance
Pixel Rate
111.7 GPixel/s
269.6 GPixel/s
Texture Rate
419.0 GTexel/s
789.5 GTexel/s
FP16 (half)
26.82 TFLOPS
50.53 TFLOPS
FP32 (float)
13.41 TFLOPS
50.53 TFLOPS
FP64 (double)
6.705 TFLOPS
789.5 GFLOPS
Graphics Processor
GPU Name
Vega 20
GB203
GPU Variant
Vega 20 GLXT
-
Architecture
GCN 5.1
Blackwell 2.0
Foundry
TSMC
TSMC
Process Size
7 nm
5 nm
Transistors
13.23 billion
45.6 billion
Die Size
331 mm²
378 mm²
Board Design
TDP
300W
200W
Suggested PSU
700 W
550 W
Outputs
1x mini-DisplayPort 1.4a
4x DisplayPort 2.1b
Power Connectors
2x 8-pin
1x 16-pin
Graphics Features
DirectX
12 (12_1)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
2.1
3.0
Vulkan
1.3
1.4
CUDA
8.9
12.0
Shader Model
6.7
6.8