NVIDIA GeForce GTX 980M vs NVIDIA GeForce GTX 950M Mac Edition
GPU · Specs Compare
Graphics Card
Release Date
Oct 2014
Mar 2015
Generation
GeForce 900M
GeForce 900M
Type
Mobile
Mobile
Bus Interface
MXM-B (3.0)
MXM-B (3.0)
Clock Speeds
Base Clock
1038 MHz
993 MHz
Boost Clock
1127 MHz
1124 MHz
Memory Clock
1253 MHz
900 MHz
Memory
Memory Size
8GB
2GB
Memory Type
GDDR5
DDR3
Memory Bus
256bit
128bit
Bandwidth
160.4GB/s
28.80GB/s
Render Config
Shading Units
1536
640
TMUs
96
40
ROPs
64
16
L1 Cache
48 KB (per SMM)
64 KB (per SMM)
L2 Cache
2 MB
2 MB
Theoretical Performance
Pixel Rate
72.13 GPixel/s
17.98 GPixel/s
Texture Rate
108.2 GTexel/s
44.96 GTexel/s
FP32 (float)
3.462 TFLOPS
1439 GFLOPS
FP64 (double)
108.2 GFLOPS
44.96 GFLOPS
Graphics Processor
GPU Name
GM204
GM107
GPU Variant
N16E-GX-A1
N16P-GT
Architecture
Maxwell 2.0
Maxwell
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
5.2 billion
1.87 billion
Die Size
398 mm²
148 mm²
Board Design
TDP
Unknown
75W
Outputs
Portable Device Dependent
No outputs
Power Connectors
None
—
Graphics Features
DirectX
12 (12_1)
12 (11_0)
OpenGL
4.6
4.6
OpenCL
3.0
3.0
Vulkan
1.3
1.3
CUDA
5.2
5.0
Shader Model
6.7 (6.4)
5.1
Benchmark
3DMark Time Spy
3,916
—
3DMark Time Spy Extreme
1,767
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.