GeForce G105M vs GeForce GTX 660M Mac Edition
We compared two Mobile platform GPUs: 256MB VRAM GeForce G105M 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 G105M 's Advantages
Lower TDP (14W vs 50W)
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
Score
Benchmark
FP32 (float)
GeForce G105M
34
GeForce GTX 660M Mac Edition
+2047%
730
Graphics Card
Jul 2009
Release Date
Apr 2013
GeForce 100M
Generation
GeForce 600M
Mobile
Type
Mobile
PCIe 2.0 x16
Bus Interface
MXM-B (3.0)
Clock Speeds
700 MHz
Memory Clock
1250 MHz
Memory
256MB
Memory Size
512MB
GDDR3
Memory Type
GDDR5
64bit
Memory Bus
128bit
11.20GB/s
Bandwidth
80.00GB/s
Render Config
2
SM Count
-
16
Shading Units
384
8
TMUs
32
4
ROPs
16
-
L1 Cache
16 KB (per SMX)
32 KB
L2 Cache
256 KB
Theoretical Performance
2.000 GPixel/s
Pixel Rate
7.600 GPixel/s
4.000 GTexel/s
Texture Rate
30.40 GTexel/s
34.24 GFLOPS
FP32 (float)
729.6 GFLOPS
-
FP64 (double)
30.40 GFLOPS
Board Design
14W
TDP
50W
No outputs
Outputs
No outputs
-
Power Connectors
None
Graphics Processor
GT218
GPU Name
GK107
GT218-300-A2
GPU Variant
-
Tesla 2.0
Architecture
Kepler
TSMC
Foundry
TSMC
40 nm
Process Size
28 nm
0.26 billion
Transistors
1.27 billion
57 mm²
Die Size
118 mm²
Graphics Features
11.1 (10_1)
DirectX
12 (11_0)
3.3
OpenGL
4.6
1.1
OpenCL
3.0
N/A
Vulkan
1.1
1.2
CUDA
3.0
4.1
Shader Model
5.1
