NVIDIA GeForce GTX 660M Mac Edition vs NVIDIA GeForce GT 720A
We compared two Mobile platform GPUs: 512MB VRAM GeForce GTX 660M Mac Edition and 1024MB VRAM GeForce GT 720A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce GTX 660M Mac Edition 's Advantages
Larger VRAM bandwidth (80.00GB/s vs 16.02GB/s)
288 additional rendering cores
NVIDIA GeForce GT 720A 's Advantages
Released 1 years and 3 months late
More VRAM (1024GB vs 512GB)
Lower TDP (33W vs 50W)
Score
Benchmark
FP32 (float)
GeForce GTX 660M Mac Edition
+144%
0.73 TFLOPS
GeForce GT 720A
0.298 TFLOPS
Graphics Card
Apr 2013
Release Date
Jul 2014
GeForce 600M
Generation
GeForce 700A
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
-
-
-
-
-
1250 MHz
Memory Clock
1001 MHz
Memory
512MB
Memory Size
1024MB
GDDR5
Memory Type
DDR3
128bit
Memory Bus
64bit
80.00GB/s
Bandwidth
16.02GB/s
Render Config
-
-
-
-
SM Count
2
384
Shading Units
96
32
TMUs
16
16
ROPs
8
-
-
-
-
-
-
16 KB (per SMX)
L1 Cache
64 KB (per SM)
256 KB
L2 Cache
128 KB
-
-
-
Theoretical Performance
7.600 GPixel/s
Pixel Rate
3.100 GPixel/s
30.40 GTexel/s
Texture Rate
12.40 GTexel/s
-
-
-
729.6 GFLOPS
FP32 (float)
297.6 GFLOPS
30.40 GFLOPS
FP64 (double)
24.80 GFLOPS
Board Design
50W
TDP
33W
-
-
-
No outputs
Outputs
No outputs
None
Power Connectors
-
Graphics Processor
GK107
GPU Name
GF117
-
GPU Variant
N14M-GE
Kepler
Architecture
Fermi 2.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
1.27 billion
Transistors
0.585 billion
118 mm²
Die Size
116 mm²
Graphics Features
12 (11_0)
DirectX
12 (11_0)
4.6
OpenGL
4.6
3.0
OpenCL
1.1
1.1
Vulkan
N/A
3.0
CUDA
2.1
5.1
Shader Model
5.1
