NVIDIA GeForce GTX 950M vs AMD Radeon RX 580X Mobile
GPU Specs Compare
Graphics Card
Release Date
Mar 2015
Apr 2018
Generation
GeForce 900M
Mobility Radeon
Type
Mobile
Mobile
Bus Interface
PCIe 3.0 x8
MXM-B (3.0)
Clock Speeds
Base Clock
993 MHz
1000 MHz
Boost Clock
1124 MHz
1077 MHz
Memory Clock
900 MHz
2000 MHz
Memory
Memory Size
4GB
8GB
Memory Type
DDR3
GDDR5
Memory Bus
128bit
256bit
Bandwidth
28.80GB/s
256.0GB/s
Render Config
Shading Units
640
2304
TMUs
40
144
ROPs
16
32
L1 Cache
64 KB (per SMM)
16 KB (per CU)
L2 Cache
2 MB
2 MB
Compute Units
-
36
Theoretical Performance
Pixel Rate
17.98 GPixel/s
34.46 GPixel/s
Texture Rate
44.96 GTexel/s
155.1 GTexel/s
FP32 (float)
1439 GFLOPS
4.963 TFLOPS
FP64 (double)
44.96 GFLOPS
310.2 GFLOPS
FP16 (half)
-
4.963 TFLOPS
Graphics Processor
GPU Name
GM107
Polaris 20
GPU Variant
N16P-GT
Polaris 20M XT
Architecture
Maxwell
GCN 4.0
Foundry
TSMC
GlobalFoundries
Process Size
28 nm
14 nm
Transistors
1.87 billion
5.7 billion
Die Size
148 mm²
232 mm²
Board Design
TDP
75W
100W
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