NVIDIA GeForce GTX 660M Mac Edition vs NVIDIA GeForce GTX 770M
We compared two Mobile platform GPUs: 512MB VRAM GeForce GTX 660M Mac Edition and 3GB VRAM GeForce GTX 770M 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
Lower TDP (50W vs 75W)
NVIDIA GeForce GTX 770M 's Advantages
Boost Clock797MHz
More VRAM (3GB vs 512GB)
Larger VRAM bandwidth (96.19GB/s vs 80.00GB/s)
576 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce GTX 660M Mac Edition
0.73 TFLOPS
GeForce GTX 770M
+109%
1.53 TFLOPS
Graphics Card
Apr 2013
Release Date
May 2013
GeForce 600M
Generation
GeForce 700M
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
MXM-B (3.0)
Clock Speeds
-
Base Clock
706 MHz
-
Boost Clock
797 MHz
1250 MHz
Memory Clock
1002 MHz
Memory
512MB
Memory Size
3GB
GDDR5
Memory Type
GDDR5
128bit
Memory Bus
192bit
80.00GB/s
Bandwidth
96.19GB/s
Render Config
-
-
-
-
-
-
384
Shading Units
960
32
TMUs
80
16
ROPs
24
-
-
-
-
-
-
16 KB (per SMX)
L1 Cache
16 KB (per SMX)
256 KB
L2 Cache
384 KB
-
-
-
Theoretical Performance
7.600 GPixel/s
Pixel Rate
15.94 GPixel/s
30.40 GTexel/s
Texture Rate
63.76 GTexel/s
-
-
-
729.6 GFLOPS
FP32 (float)
1.530 TFLOPS
30.40 GFLOPS
FP64 (double)
63.76 GFLOPS
Board Design
50W
TDP
75W
-
-
-
No outputs
Outputs
No outputs
None
Power Connectors
None
Graphics Processor
GK107
GPU Name
GK106
-
GPU Variant
N14E-GS-A1
Kepler
Architecture
Kepler
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
1.27 billion
Transistors
2.54 billion
118 mm²
Die Size
221 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
