NVIDIA GeForce GTX 660M Mac Edition vs NVIDIA GeForce GT 120M
We compared two Mobile platform GPUs: 512MB VRAM GeForce GTX 660M Mac Edition and 1024MB VRAM GeForce GT 120M 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 10 months late
Larger VRAM bandwidth (80.00GB/s vs 16.00GB/s)
352 additional rendering cores
NVIDIA GeForce GT 120M 's Advantages
More VRAM (1024GB vs 512GB)
Lower TDP (14W vs 50W)
Score
Benchmark
FP32 (float)
GeForce GTX 660M Mac Edition
+812%
0.73 TFLOPS
GeForce GT 120M
0.08 TFLOPS
Graphics Card
Apr 2013
Release Date
Jun 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
500 MHz
Memory
512MB
Memory Size
1024MB
GDDR5
Memory Type
DDR2
128bit
Memory Bus
128bit
80.00GB/s
Bandwidth
16.00GB/s
Render Config
-
-
-
-
SM Count
4
384
Shading Units
32
32
TMUs
16
16
ROPs
8
-
-
-
-
-
-
16 KB (per SMX)
L1 Cache
-
256 KB
L2 Cache
32 KB
-
-
-
Theoretical Performance
7.600 GPixel/s
Pixel Rate
4.000 GPixel/s
30.40 GTexel/s
Texture Rate
8.000 GTexel/s
-
-
-
729.6 GFLOPS
FP32 (float)
80.00 GFLOPS
30.40 GFLOPS
FP64 (double)
-
Board Design
50W
TDP
14W
-
-
-
No outputs
Outputs
No outputs
None
Power Connectors
-
Graphics Processor
GK107
GPU Name
G96C
-
GPU Variant
N10P-GV1
Kepler
Architecture
Tesla
TSMC
Foundry
TSMC
28 nm
Process Size
55 nm
1.27 billion
Transistors
0.314 billion
118 mm²
Die Size
121 mm²
Graphics Features
12 (11_0)
DirectX
11.1 (10_0)
4.6
OpenGL
3.3
3.0
OpenCL
1.1
1.1
Vulkan
N/A
3.0
CUDA
1.1
5.1
Shader Model
4.0
