NVIDIA GeForce GTX 980MX vs AMD Radeon 550X Mobile
GPU · Specs Compare
Graphics Card
Release Date
Jun 2016
Apr 2018
Generation
GeForce 900M
Mobility Radeon
Type
Mobile
Mobile
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x8
Clock Speeds
Base Clock
1050 MHz
1100 MHz
Boost Clock
1178 MHz
1287 MHz
Memory Clock
1500 MHz
1500 MHz
Memory
Memory Size
8GB
4GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
64bit
Bandwidth
192.0GB/s
48.00GB/s
Render Config
Shading Units
1664
640
TMUs
104
40
ROPs
64
16
L1 Cache
48 KB (per SMM)
16 KB (per CU)
L2 Cache
2 MB
256 KB
Compute Units
—
10
Theoretical Performance
Pixel Rate
75.39 GPixel/s
20.59 GPixel/s
Texture Rate
122.5 GTexel/s
51.48 GTexel/s
FP32 (float)
3.920 TFLOPS
1.647 TFLOPS
FP64 (double)
122.5 GFLOPS
103.0 GFLOPS
FP16 (half)
—
1.647 TFLOPS
Graphics Processor
GPU Name
GM204
Polaris 23
GPU Variant
N16E-GXX-A1
Polaris 23 MXT
Architecture
Maxwell 2.0
GCN 4.0
Foundry
TSMC
GlobalFoundries
Process Size
28 nm
14 nm
Transistors
5.2 billion
2.2 billion
Die Size
398 mm²
103 mm²
Board Design
TDP
148W
50W
Outputs
No outputs
No outputs
Power Connectors
None
None
Graphics Features
DirectX
12 (12_1)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
3.0
2.1
Vulkan
1.3
1.2
CUDA
5.2
—
Shader Model
6.4
6.4
▲ Specs Compare
Data sourced from official specifications and benchmark tests.