NVIDIA GeForce GTX 950M vs AMD Radeon Pro 580
GPU · Specs Compare
Graphics Card
Release Date
Mar 2015
Jun 2017
Generation
GeForce 900M
Radeon Pro Mac
Type
Mobile
Mobile
Bus Interface
PCIe 3.0 x8
PCIe 3.0 x16
Clock Speeds
Base Clock
993 MHz
1100 MHz
Boost Clock
1124 MHz
1200 MHz
Memory Clock
900 MHz
1695 MHz
Memory
Memory Size
4GB
8GB
Memory Type
DDR3
GDDR5
Memory Bus
128bit
256bit
Bandwidth
28.80GB/s
217.0GB/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
38.40 GPixel/s
Texture Rate
44.96 GTexel/s
172.8 GTexel/s
FP32 (float)
1439 GFLOPS
5.530 TFLOPS
FP64 (double)
44.96 GFLOPS
345.6 GFLOPS
FP16 (half)
—
5.530 TFLOPS
Graphics Processor
GPU Name
GM107
Ellesmere
GPU Variant
N16P-GT
Ellesmere XTA(216-0886220)
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
185W
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
Benchmark
3DMark Time Spy
—
3,791
3DMark Time Spy Extreme
—
1,684
▲ Specs Compare
Data sourced from official specifications and benchmark tests.