NVIDIA GeForce GTX 660M Mac Edition vs NVIDIA GeForce GTX 485M
We compared two Mobile platform GPUs: 512MB VRAM GeForce GTX 660M Mac Edition and 2GB VRAM GeForce GTX 485M 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 2 years and 3 months late
Lower TDP (50W vs 100W)
NVIDIA GeForce GTX 485M 's Advantages
More VRAM (2GB vs 512GB)
Larger VRAM bandwidth (96.00GB/s vs 80.00GB/s)
Score
Benchmark
FP32 (float)
GeForce GTX 660M Mac Edition
0.73 TFLOPS
GeForce GTX 485M
+20%
0.883 TFLOPS
Graphics Card
Apr 2013
Release Date
Jan 2011
GeForce 600M
Generation
GeForce 400M
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
MXM-B (3.0)
Clock Speeds
-
-
-
-
-
-
1250 MHz
Memory Clock
750 MHz
Memory
512MB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
128bit
Memory Bus
256bit
80.00GB/s
Bandwidth
96.00GB/s
Render Config
-
-
-
-
SM Count
8
384
Shading Units
384
32
TMUs
64
16
ROPs
32
-
-
-
-
-
-
16 KB (per SMX)
L1 Cache
64 KB (per SM)
256 KB
L2 Cache
512 KB
-
-
-
Theoretical Performance
7.600 GPixel/s
Pixel Rate
9.200 GPixel/s
30.40 GTexel/s
Texture Rate
36.80 GTexel/s
-
-
-
729.6 GFLOPS
FP32 (float)
883.2 GFLOPS
30.40 GFLOPS
FP64 (double)
73.60 GFLOPS
Board Design
50W
TDP
100W
-
-
-
No outputs
Outputs
No outputs
None
Power Connectors
None
Graphics Processor
GK107
GPU Name
GF104
-
GPU Variant
N12E-GTX-A1
Kepler
Architecture
Fermi
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
1.27 billion
Transistors
1.95 billion
118 mm²
Die Size
332 mm²
Graphics Features
12 (11_0)
DirectX
12 (11_0)
4.6
OpenGL
4.6
3.0
OpenCL
1.1
1.1
Vulkan
N/A
3.0
CUDA
2.1
5.1
Shader Model
5.1
