AMD Radeon RX 6650 XT vs NVIDIA RTX PRO 4500 Blackwell Workstation
GPU Specs Compare
Graphics Card
Release Date
May 2022
Mar 2025
Generation
Navi II
Blackwell PRO W
Type
Desktop
Desktop
Bus Interface
PCIe 4.0 x8
PCIe 5.0 x16
Clock Speeds
Base Clock
2055 MHz
1635 MHz
Boost Clock
2635 MHz
2407 MHz
Memory Clock
2190 MHz
1750 MHz
Memory
Memory Size
8GB
32GB
Memory Type
GDDR6
GDDR7
Memory Bus
128bit
256bit
Bandwidth
280.3GB/s
896.0GB/s
Render Config
Compute Units
32
-
Shading Units
2048
10496
TMUs
128
328
ROPs
64
112
RT Cores
32
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
168.6 GPixel/s
269.6 GPixel/s
Texture Rate
337.3 GTexel/s
789.5 GTexel/s
FP16 (half)
21.59 TFLOPS
50.53 TFLOPS
FP32 (float)
10.79 TFLOPS
50.53 TFLOPS
FP64 (double)
674.6 GFLOPS
789.5 GFLOPS
Graphics Processor
GPU Name
Navi 23
GB203
GPU Variant
Navi 23 KXT(215-130000136)
-
Architecture
RDNA 2.0
Blackwell 2.0
Foundry
TSMC
TSMC
Process Size
7 nm
5 nm
Transistors
11.06 billion
45.6 billion
Die Size
237 mm²
378 mm²
Board Design
TDP
176W
200W
Suggested PSU
450 W
550 W
Outputs
1x HDMI 2.13x DisplayPort 1.4a
4x DisplayPort 2.1b
Power Connectors
1x 8-pin
1x 16-pin
Graphics Features
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
2.1
3.0
Vulkan
1.3
1.4
Shader Model
6.5
6.9
CUDA
-
12.0