NVIDIA GeForce GTX 780M Mac Edition vs NVIDIA GeForce GTX 980 Mobile
GPU Specs Compare
Graphics Card
Release Date
Nov 2013
Sep 2015
Generation
GeForce 700M
GeForce 900M
Type
Mobile
Mobile
Bus Interface
MXM-B (3.0)
MXM-B (3.0)
Clock Speeds
Base Clock
771 MHz
1064 MHz
Boost Clock
797 MHz
1140 MHz
Memory Clock
1250 MHz
1753 MHz
Memory
Memory Size
4GB
8GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
256bit
Bandwidth
160.0GB/s
224.4GB/s
Render Config
Shading Units
1536
2048
TMUs
128
128
ROPs
32
64
L1 Cache
16 KB (per SMX)
48 KB (per SMM)
L2 Cache
512 KB
2 MB
Theoretical Performance
Pixel Rate
25.50 GPixel/s
72.96 GPixel/s
Texture Rate
102.0 GTexel/s
145.9 GTexel/s
FP32 (float)
2.448 TFLOPS
4.669 TFLOPS
FP64 (double)
102.0 GFLOPS
145.9 GFLOPS
Graphics Processor
GPU Name
GK104
GM204
GPU Variant
N14E-GTX-A2
N16E-GXX-A1
Architecture
Kepler
Maxwell 2.0
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
3.54 billion
5.2 billion
Die Size
294 mm²
398 mm²
Board Design
TDP
122W
Unknown
Outputs
No outputs
Portable Device Dependent
Power Connectors
-
None
Graphics Features
DirectX
12 (11_0)
12 (12_1)
OpenGL
4.6
4.6
OpenCL
3.0
3.0
Vulkan
1.1
1.3
CUDA
3.0
5.2
Shader Model
5.1
6.7 (6.4)