NVIDIA GeForce GTX 660M Mac Edition vs NVIDIA GeForce G105M
We compared two Mobile platform GPUs: 512MB VRAM GeForce GTX 660M Mac Edition and 256MB VRAM GeForce G105M 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
Released 3 years and 9 months late
More VRAM (512GB vs 256GB)
Larger VRAM bandwidth (80.00GB/s vs 11.20GB/s)
368 additional rendering cores
NVIDIA GeForce G105M 's Advantages
Lower TDP (14W vs 50W)
Score
Benchmark
FP32 (float)
GeForce GTX 660M Mac Edition
+2047%
0.73 TFLOPS
GeForce G105M
0.034 TFLOPS
Graphics Card
Apr 2013
Release Date
Jul 2009
GeForce 600M
Generation
GeForce 100M
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
-
-
-
-
-
1250 MHz
Memory Clock
700 MHz
Memory
512MB
Memory Size
256MB
GDDR5
Memory Type
GDDR3
128bit
Memory Bus
64bit
80.00GB/s
Bandwidth
11.20GB/s
Render Config
-
-
-
-
SM Count
2
384
Shading Units
16
32
TMUs
8
16
ROPs
4
-
-
-
-
-
-
16 KB (per SMX)
L1 Cache
-
256 KB
L2 Cache
32 KB
-
-
-
Theoretical Performance
7.600 GPixel/s
Pixel Rate
2.000 GPixel/s
30.40 GTexel/s
Texture Rate
4.000 GTexel/s
-
-
-
729.6 GFLOPS
FP32 (float)
34.24 GFLOPS
30.40 GFLOPS
FP64 (double)
-
Board Design
50W
TDP
14W
-
-
-
No outputs
Outputs
No outputs
None
Power Connectors
-
Graphics Processor
GK107
GPU Name
GT218
-
GPU Variant
GT218-300-A2
Kepler
Architecture
Tesla 2.0
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
1.27 billion
Transistors
0.26 billion
118 mm²
Die Size
57 mm²
Graphics Features
12 (11_0)
DirectX
11.1 (10_1)
4.6
OpenGL
3.3
3.0
OpenCL
1.1
1.1
Vulkan
N/A
3.0
CUDA
1.2
5.1
Shader Model
4.1
