NVIDIA GeForce 940M vs NVIDIA GeForce GT 650M Mac Edition
We compared two Mobile platform GPUs: 2GB VRAM GeForce 940M and 512MB VRAM GeForce GT 650M Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce 940M 's Advantages
Released 2 years and 8 months late
Boost Clock1098MHz
More VRAM (2GB vs 512GB)
128 additional rendering cores
NVIDIA GeForce GT 650M Mac Edition 's Advantages
Larger VRAM bandwidth (80.26GB/s vs 14.40GB/s)
Lower TDP (45W vs 75W)
Score
Benchmark
FP32 (float)
GeForce 940M
+62%
1.124 TFLOPS
GeForce GT 650M Mac Edition
0.691 TFLOPS
Graphics Card
Mar 2015
Release Date
Jul 2012
GeForce 900M
Generation
GeForce 600M
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
PCIe 3.0 x16
Clock Speeds
1020 MHz
Base Clock
-
1098 MHz
Boost Clock
-
900 MHz
Memory Clock
1254 MHz
Memory
2GB
Memory Size
512MB
DDR3
Memory Type
GDDR5
64bit
Memory Bus
128bit
14.40GB/s
Bandwidth
80.26GB/s
Render Config
-
-
-
-
-
-
512
Shading Units
384
32
TMUs
32
16
ROPs
16
-
-
-
-
-
-
64 KB (per SMM)
L1 Cache
16 KB (per SMX)
2 MB
L2 Cache
256 KB
-
-
-
Theoretical Performance
17.57 GPixel/s
Pixel Rate
7.200 GPixel/s
35.14 GTexel/s
Texture Rate
28.80 GTexel/s
-
-
-
1124 GFLOPS
FP32 (float)
691.2 GFLOPS
35.14 GFLOPS
FP64 (double)
28.80 GFLOPS
Board Design
75W
TDP
45W
-
-
-
No outputs
Outputs
No outputs
-
-
-
Graphics Processor
GM107
GPU Name
GK107
N16S-GT1-KB-B
GPU Variant
N13P-GT-W-A2
Maxwell
Architecture
Kepler
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
1.87 billion
Transistors
1.27 billion
148 mm²
Die Size
118 mm²
Graphics Features
12 (11_0)
DirectX
12 (11_0)
4.6
OpenGL
4.6
3.0
OpenCL
3.0
1.3
Vulkan
1.1
5.0
CUDA
3.0
5.1
Shader Model
5.1
