NVIDIA GeForce GTX 950M Mac Edition vs AMD Radeon RX 550X Mobile
GPU · Specs Compare
Graphics Card
Release Date
Mar 2015
Apr 2018
Generation
GeForce 900M
Mobility Radeon
Type
Mobile
Mobile
Bus Interface
MXM-B (3.0)
PCIe 3.0 x8
Clock Speeds
Base Clock
993 MHz
1100 MHz
Boost Clock
1124 MHz
1176 MHz
Memory Clock
900 MHz
1500 MHz
Memory
Memory Size
2GB
2GB
Memory Type
DDR3
GDDR5
Memory Bus
128bit
64bit
Bandwidth
28.80GB/s
48.00GB/s
Render Config
Shading Units
640
640
TMUs
40
40
ROPs
16
16
L1 Cache
64 KB (per SMM)
16 KB (per CU)
L2 Cache
2 MB
512 KB
Compute Units
—
10
Theoretical Performance
Pixel Rate
17.98 GPixel/s
18.82 GPixel/s
Texture Rate
44.96 GTexel/s
47.04 GTexel/s
FP32 (float)
1439 GFLOPS
1.505 TFLOPS
FP64 (double)
44.96 GFLOPS
94.08 GFLOPS
FP16 (half)
—
1.505 TFLOPS
Graphics Processor
GPU Name
GM107
Polaris 23
GPU Variant
N16P-GT
Polaris 23 MXT
Architecture
Maxwell
GCN 4.0
Foundry
TSMC
GlobalFoundries
Process Size
28 nm
14 nm
Transistors
1.87 billion
2.2 billion
Die Size
148 mm²
103 mm²
Board Design
TDP
75W
50W
Outputs
No outputs
No outputs
Power Connectors
—
None
Graphics Features
DirectX
12 (11_0)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
3.0
2.1
Vulkan
1.3
1.2
CUDA
5.0
—
Shader Model
5.1
6.4
▲ Specs Compare
Data sourced from official specifications and benchmark tests.