AMD Radeon Pro V620 vs AMD Radeon 550X Mobile
GPU · Specs Compare
Graphics Card
Release Date
Nov 2021
Apr 2018
Generation
Radeon Pro
Mobility Radeon
Type
Desktop
Mobile
Bus Interface
PCIe 4.0 x16
PCIe 3.0 x8
Clock Speeds
Base Clock
1825 MHz
1100 MHz
Boost Clock
2200 MHz
1287 MHz
Memory Clock
2000 MHz
1500 MHz
Memory
Memory Size
32GB
4GB
Memory Type
GDDR6
GDDR5
Memory Bus
256bit
64bit
Bandwidth
512.0GB/s
48.00GB/s
Render Config
Compute Units
72
10
Shading Units
4608
640
TMUs
288
40
ROPs
128
16
RT Cores
72
—
L1 Cache
128 KB per Array
16 KB (per CU)
L2 Cache
4 MB
256 KB
L3 Cache
128 MB
—
Theoretical Performance
Pixel Rate
281.6 GPixel/s
20.59 GPixel/s
Texture Rate
633.6 GTexel/s
51.48 GTexel/s
FP16 (half)
40.55 TFLOPS
1.647 TFLOPS
FP32 (float)
20.28 TFLOPS
1.647 TFLOPS
FP64 (double)
1267 GFLOPS
103.0 GFLOPS
Graphics Processor
GPU Name
Navi 21
Polaris 23
GPU Variant
Navi 21 XT(215-121000177)
Polaris 23 MXT
Architecture
RDNA 2.0
GCN 4.0
Foundry
TSMC
GlobalFoundries
Process Size
7 nm
14 nm
Transistors
26.8 billion
2.2 billion
Die Size
520 mm²
103 mm²
Board Design
TDP
300W
50W
Suggested PSU
700 W
—
Outputs
No outputs
No outputs
Power Connectors
2x 8-pin
None
Graphics Features
DirectX
12 Ultimate (12_2)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
2.1
2.1
Vulkan
1.3
1.2
Shader Model
6.5
6.4
▲ Specs Compare
Data sourced from official specifications and benchmark tests.