NVIDIA GeForce GTX 780M Mac Edition vs NVIDIA GeForce 945M
We compared two Mobile platform GPUs: 4GB VRAM GeForce GTX 780M Mac Edition and 1024MB VRAM GeForce 945M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce GTX 780M Mac Edition 's Advantages
More VRAM (4GB vs 1024GB)
Larger VRAM bandwidth (160.0GB/s vs 16.02GB/s)
1152 additional rendering cores
NVIDIA GeForce 945M 's Advantages
Released 2 years and 5 months late
Boost Clock has increased by 49% (1189MHz vs 797MHz)
Lower TDP (23W vs 122W)
Score
Benchmark
FP32 (float)
GeForce GTX 780M Mac Edition
+168%
2.448 TFLOPS
GeForce 945M
0.913 TFLOPS
Graphics Card
Nov 2013
Release Date
Apr 2016
GeForce 700M
Generation
GeForce 900M
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
PCIe 3.0 x8
Clock Speeds
771 MHz
Base Clock
1006 MHz
797 MHz
Boost Clock
1189 MHz
1250 MHz
Memory Clock
1001 MHz
Memory
4GB
Memory Size
1024MB
GDDR5
Memory Type
DDR3
256bit
Memory Bus
64bit
160.0GB/s
Bandwidth
16.02GB/s
Render Config
-
-
-
-
-
-
1536
Shading Units
384
128
TMUs
24
32
ROPs
8
-
-
-
-
-
-
16 KB (per SMX)
L1 Cache
64 KB (per SMM)
512 KB
L2 Cache
1024 KB
-
-
-
Theoretical Performance
25.50 GPixel/s
Pixel Rate
9.512 GPixel/s
102.0 GTexel/s
Texture Rate
28.54 GTexel/s
-
-
-
2.448 TFLOPS
FP32 (float)
913.2 GFLOPS
102.0 GFLOPS
FP64 (double)
28.54 GFLOPS
Board Design
122W
TDP
23W
-
-
-
No outputs
Outputs
No outputs
-
Power Connectors
None
Graphics Processor
GK104
GPU Name
GM108
N14E-GTX-A2
GPU Variant
-
Kepler
Architecture
Maxwell
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
3.54 billion
Transistors
Unknown
294 mm²
Die Size
Unknown
Graphics Features
12 (11_0)
DirectX
12 (11_0)
4.6
OpenGL
4.6
3.0
OpenCL
3.0
1.1
Vulkan
1.3
3.0
CUDA
5.0
5.1
Shader Model
5.1
