NVIDIA GeForce GT 755M vs NVIDIA GeForce GTX 660M
We compared two Mobile platform GPUs: 2GB VRAM GeForce GT 755M and 1024MB VRAM GeForce GTX 660M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce GT 755M 's Advantages
Released 1 years and 3 months late
More VRAM (2GB vs 1024GB)
Larger VRAM bandwidth (86.40GB/s vs 64.00GB/s)
NVIDIA GeForce GTX 660M 's Advantages
Boost Clock950MHz
Score
Benchmark
FP32 (float)
GeForce GT 755M
+3%
0.753 TFLOPS
GeForce GTX 660M
0.73 TFLOPS
Graphics Card
Jun 2013
Release Date
Mar 2012
GeForce 700M
Generation
GeForce 600M
Mobile
Type
Mobile
PCIe 3.0 x16
Bus Interface
MXM-B (3.0)
Clock Speeds
-
Base Clock
835 MHz
-
Boost Clock
950 MHz
1350 MHz
Memory Clock
1000 MHz
Memory
2GB
Memory Size
1024MB
GDDR5
Memory Type
GDDR5
128bit
Memory Bus
128bit
86.40GB/s
Bandwidth
64.00GB/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
7.840 GPixel/s
Pixel Rate
7.600 GPixel/s
31.36 GTexel/s
Texture Rate
30.40 GTexel/s
-
-
-
752.6 GFLOPS
FP32 (float)
729.6 GFLOPS
31.36 GFLOPS
FP64 (double)
30.40 GFLOPS
Board Design
50W
TDP
50W
-
-
-
No outputs
Outputs
No outputs
-
-
-
Graphics Processor
GK107
GPU Name
GK107
GT 755M
GPU Variant
N13E-GE-A2
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
