AMD Radeon RX 580X Mobile vs NVIDIA GeForce MX450 30.5W 8Gbps
GPU · Specs Compare
Graphics Card
Release Date
Apr 2018
Aug 2020
Generation
Mobility Radeon
GeForce MX
Type
Mobile
Mobile
Bus Interface
MXM-B (3.0)
PCIe 4.0 x4
Clock Speeds
Base Clock
1000 MHz
1035 MHz
Boost Clock
1077 MHz
1275 MHz
Memory Clock
2000 MHz
2000 MHz
Memory
Memory Size
8GB
2GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
64bit
Bandwidth
256.0GB/s
64.00GB/s
Render Config
Compute Units
36
—
Shading Units
2304
896
TMUs
144
56
ROPs
32
32
L1 Cache
16 KB (per CU)
64 KB (per SM)
L2 Cache
2 MB
512 KB
SM Count
—
14
Theoretical Performance
Pixel Rate
34.46 GPixel/s
40.80 GPixel/s
Texture Rate
155.1 GTexel/s
71.40 GTexel/s
FP16 (half)
4.963 TFLOPS
4.570 TFLOPS
FP32 (float)
4.963 TFLOPS
2.285 TFLOPS
FP64 (double)
310.2 GFLOPS
71.40 GFLOPS
Graphics Processor
GPU Name
Polaris 20
TU117
GPU Variant
Polaris 20M XT
—
Architecture
GCN 4.0
Turing
Foundry
GlobalFoundries
TSMC
Process Size
14 nm
12 nm
Transistors
5.7 billion
4.7 billion
Die Size
232 mm²
200 mm²
Board Design
TDP
100W
31W
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
▲ Specs Compare
Data sourced from official specifications and benchmark tests.