GeForce GTX 660M vs GeForce GTX 660M Mac Edition
We compared two Mobile platform GPUs: 1024MB VRAM GeForce GTX 660M and 512MB VRAM GeForce GTX 660M Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce GTX 660M Advantages
Boost Clock950MHz
More VRAM (1024GB vs 512GB)
GeForce GTX 660M Mac Edition Advantages
Released 1 years and 1 months late
Larger VRAM bandwidth (80.00GB/s vs 64.00GB/s)
Score
Benchmark
FP32 (float)
GeForce GTX 660M
730
GeForce GTX 660M Mac Edition
730
Graphics Card
Mar 2012
Release Date
Apr 2013
GeForce 600M
Generation
GeForce 600M
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
MXM-B (3.0)
Clock Speeds
835 MHz
Base Clock
-
950 MHz
Boost Clock
-
1000 MHz
Memory Clock
1250 MHz
Memory
1024MB
Memory Size
512MB
GDDR5
Memory Type
GDDR5
128bit
Memory Bus
128bit
64.00GB/s
Bandwidth
80.00GB/s
Render Config
384
Shading Units
384
32
TMUs
32
16
ROPs
16
16 KB (per SMX)
L1 Cache
16 KB (per SMX)
256 KB
L2 Cache
256 KB
Theoretical Performance
7.600 GPixel/s
Pixel Rate
7.600 GPixel/s
30.40 GTexel/s
Texture Rate
30.40 GTexel/s
729.6 GFLOPS
FP32 (float)
729.6 GFLOPS
30.40 GFLOPS
FP64 (double)
30.40 GFLOPS
Board Design
50W
TDP
50W
No outputs
Outputs
No outputs
-
Power Connectors
None
Graphics Processor
GK107
GPU Name
GK107
N13E-GE-A2
GPU Variant
-
Kepler
Architecture
Kepler
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
1.27 billion
Transistors
1.27 billion
118 mm²
Die Size
118 mm²
Graphics Features
12 (11_0)
DirectX
12 (11_0)
4.6
OpenGL
4.6
3.0
OpenCL
3.0
1.1
Vulkan
1.1
3.0
CUDA
3.0
5.1
Shader Model
5.1
