Home GPU Comparison NVIDIA GeForce GTX 660M Mac Edition vs NVIDIA GeForce GT 720M

NVIDIA GeForce GTX 660M Mac Edition vs NVIDIA GeForce GT 720M

We compared two Mobile platform GPUs: 512MB VRAM GeForce GTX 660M Mac Edition and 2GB VRAM GeForce GT 720M 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 12.80GB/s)
192 additional rendering cores
NVIDIA GeForce GT 720M 's Advantages
Released 8 months late
Boost Clock758MHz
More VRAM (2GB vs 512GB)
Lower TDP (33W vs 50W)

Score

Benchmark

FP32 (float)
GeForce GTX 660M Mac Edition +150%
0.73 TFLOPS
GeForce GT 720M
0.291 TFLOPS

Graphics Card

Apr 2013
Release Date
Dec 2013
GeForce 600M
Generation
GeForce 700M
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
PCIe 2.0 x8

Clock Speeds

-
Base Clock
719 MHz
-
Boost Clock
758 MHz
1250 MHz
Memory Clock
800 MHz

Memory

512MB
Memory Size
2GB
GDDR5
Memory Type
DDR3
128bit
Memory Bus
64bit
80.00GB/s
Bandwidth
12.80GB/s

Render Config

-
-
-
-
-
-
384
Shading Units
192
32
TMUs
16
16
ROPs
8
-
-
-
-
-
-
16 KB (per SMX)
L1 Cache
16 KB (per SMX)
256 KB
L2 Cache
512 KB
-
-
-

Theoretical Performance

7.600 GPixel/s
Pixel Rate
3.032 GPixel/s
30.40 GTexel/s
Texture Rate
12.13 GTexel/s
-
-
-
729.6 GFLOPS
FP32 (float)
291.1 GFLOPS
30.40 GFLOPS
FP64 (double)
12.13 GFLOPS

Board Design

50W
TDP
33W
-
-
-
No outputs
Outputs
No outputs
None
Power Connectors
-

Graphics Processor

GK107
GPU Name
GK208
-
GPU Variant
GT 720M
Kepler
Architecture
Kepler 2.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
1.27 billion
Transistors
1.02 billion
118 mm²
Die Size
87 mm²

Graphics Features

12 (11_0)
DirectX
12 (11_0)
4.6
OpenGL
4.6
3.0
OpenCL
3.0
1.1
Vulkan
1.1
3.0
CUDA
3.5
5.1
Shader Model
5.1
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