AMD Radeon RX 580 Mobile vs NVIDIA GeForce GTX 950 Low Power
GPU · Specs Compare
Graphics Card
Release Date
Apr 2017
Mar 2016
Generation
Mobility Radeon
GeForce 900
Type
Mobile
Desktop
Bus Interface
MXM-B (3.0)
PCIe 3.0 x16
Clock Speeds
Base Clock
1000 MHz
1026 MHz
Boost Clock
1077 MHz
1190 MHz
Memory Clock
2000 MHz
1653 MHz
Memory
Memory Size
8GB
2GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
128bit
Bandwidth
256.0GB/s
105.8GB/s
Render Config
Compute Units
36
—
Shading Units
2304
768
TMUs
144
48
ROPs
32
32
L1 Cache
16 KB (per CU)
48 KB (per SMM)
L2 Cache
2 MB
1024 KB
Theoretical Performance
Pixel Rate
34.46 GPixel/s
38.08 GPixel/s
Texture Rate
155.1 GTexel/s
57.12 GTexel/s
FP16 (half)
4.963 TFLOPS
—
FP32 (float)
4.963 TFLOPS
1.828 TFLOPS
FP64 (double)
310.2 GFLOPS
57.12 GFLOPS
Graphics Processor
GPU Name
Polaris 20
GM206
GPU Variant
Polaris 20M XT
GM206-251-A1
Architecture
GCN 4.0
Maxwell 2.0
Foundry
GlobalFoundries
TSMC
Process Size
14 nm
28 nm
Transistors
5.7 billion
2.94 billion
Die Size
232 mm²
228 mm²
Board Design
TDP
100W
75W
Outputs
No outputs
1x DVI1x HDMI 2.03x DisplayPort 1.4a
Power Connectors
None
None
Suggested PSU
—
250 W
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
6.4
CUDA
—
5.2
Benchmark
3DMark Time Spy
3,553
—
3DMark Time Spy Extreme
1,626
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.