Radeon RX 550X vs RTX PRO 5000 Blackwell
We compared two Desktop platform GPUs: 4GB VRAM Radeon RX 550X and 48GB VRAM RTX PRO 5000 Blackwell to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon RX 550X 's Advantages
Lower TDP (50W vs 300W)
RTX PRO 5000 Blackwell 's Advantages
Released 6 years and 3 months late
Boost Clock has increased by 121% (2617MHz vs 1183MHz)
More VRAM (48GB vs 4GB)
Larger VRAM bandwidth (1.34TB/s vs 96.00GB/s)
13568 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon RX 550X
1211
RTX PRO 5000 Blackwell
+5985%
73690
Graphics Card
Dec 2018
Release Date
Mar 2025
Polaris
Generation
Blackwell PRO W
Desktop
Type
Desktop
PCIe 3.0 x8
Bus Interface
PCIe 5.0 x16
Clock Speeds
1100 MHz
Base Clock
1590 MHz
1183 MHz
Boost Clock
2617 MHz
1500 MHz
Memory Clock
1750 MHz
Memory
4GB
Memory Size
48GB
GDDR5
Memory Type
GDDR7
128bit
Memory Bus
384bit
96.00GB/s
Bandwidth
1.34TB/s
Render Config
8
Compute Units
-
-
SM Count
110
512
Shading Units
14080
32
TMUs
440
16
ROPs
176
-
Tensor Cores
440
-
RT Cores
110
16 KB (per CU)
L1 Cache
128 KB (per SM)
512 KB
L2 Cache
96 MB
Theoretical Performance
18.93 GPixel/s
Pixel Rate
460.6 GPixel/s
37.86 GTexel/s
Texture Rate
1151 GTexel/s
1211 GFLOPS
FP16 (half)
73.69 TFLOPS
1211 GFLOPS
FP32 (float)
73.69 TFLOPS
75.71 GFLOPS
FP64 (double)
1151 GFLOPS
Board Design
50W
TDP
300W
250 W
Suggested PSU
700 W
1x DVI
1x HDMI 2.0b
1x DisplayPort 1.4a
Outputs
4x DisplayPort 2.1b
None
Power Connectors
1x 16-pin
Graphics Processor
Lexa
GPU Name
GB202
Lexa PRO
(215-0904018)
GPU Variant
-
GCN 4.0
Architecture
Blackwell 2.0
GlobalFoundries
Foundry
TSMC
14 nm
Process Size
5 nm
2.2 billion
Transistors
92.2 billion
103 mm²
Die Size
750 mm²
Graphics Features
12 (12_0)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
2.1
OpenCL
3.0
1.2
Vulkan
1.4
-
CUDA
10.1
6.4
Shader Model
6.8