GeForce GTX 660M vs GeForce GT 120M
We compared two Mobile platform GPUs: 1024MB VRAM GeForce GTX 660M and 1024MB VRAM GeForce GT 120M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce GTX 660M Advantages
Released 2 years and 9 months late
Boost Clock950MHz
Larger VRAM bandwidth (64.00GB/s vs 16.00GB/s)
352 additional rendering cores
GeForce GT 120M Advantages
Lower TDP (14W vs 50W)
Score
Benchmark
FP32 (float)
GeForce GTX 660M
+812%
730
GeForce GT 120M
80
Graphics Card
Mar 2012
Release Date
Jun 2009
GeForce 600M
Generation
GeForce 100M
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
PCIe 2.0 x16
Clock Speeds
835 MHz
Base Clock
-
950 MHz
Boost Clock
-
1000 MHz
Memory Clock
500 MHz
Memory
1024MB
Memory Size
1024MB
GDDR5
Memory Type
DDR2
128bit
Memory Bus
128bit
64.00GB/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
Graphics Processor
GK107
GPU Name
G96C
N13E-GE-A2
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
