AMD Radeon RX 550X Mobile vs NVIDIA GeForce MX450 25W
GPU Specs Compare
Graphics Card
Release Date
Apr 2018
Aug 2020
Generation
Mobility Radeon
GeForce MX
Type
Mobile
Mobile
Bus Interface
PCIe 3.0 x8
PCIe 4.0 x4
Clock Speeds
Base Clock
1100 MHz
720 MHz
Boost Clock
1176 MHz
930 MHz
Memory Clock
1500 MHz
1250 MHz
Memory
Memory Size
2GB
2GB
Memory Type
GDDR5
GDDR6
Memory Bus
64bit
64bit
Bandwidth
48.00GB/s
80.00GB/s
Render Config
Compute Units
10
-
Shading Units
640
896
TMUs
40
56
ROPs
16
32
L1 Cache
16 KB (per CU)
64 KB (per SM)
L2 Cache
512 KB
512 KB
SM Count
-
14
Theoretical Performance
Pixel Rate
18.82 GPixel/s
29.76 GPixel/s
Texture Rate
47.04 GTexel/s
52.08 GTexel/s
FP16 (half)
1.505 TFLOPS
3.333 TFLOPS
FP32 (float)
1.505 TFLOPS
1.667 TFLOPS
FP64 (double)
94.08 GFLOPS
52.08 GFLOPS
Graphics Processor
GPU Name
Polaris 23
TU117
GPU Variant
Polaris 23 MXT
N18S-G5
Architecture
GCN 4.0
Turing
Foundry
GlobalFoundries
TSMC
Process Size
14 nm
12 nm
Transistors
2.2 billion
4.7 billion
Die Size
103 mm²
200 mm²
Board Design
TDP
50W
25W
Outputs
No outputs
No outputs
Power Connectors
None
None
Graphics Features
DirectX
12 (12_0)
12 (12_1)
OpenGL
4.6
4.6
OpenCL
2.1
3.0
Vulkan
1.2
1.3
Shader Model
6.4
6.6
CUDA
-
7.5
📊 Benchmark
3DMark Time Spy
-
1,706