NVIDIA GeForce GTX 660M Mac Edition vs NVIDIA GeForce GTX 470M
We compared two Mobile platform GPUs: 512MB VRAM GeForce GTX 660M Mac Edition and 1536MB VRAM GeForce GTX 470M 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 7 months late
Larger VRAM bandwidth (80.00GB/s vs 72.00GB/s)
96 additional rendering cores
Lower TDP (50W vs 75W)
NVIDIA GeForce GTX 470M 's Advantages
More VRAM (1536GB vs 512GB)
Score
Benchmark
FP32 (float)
GeForce GTX 660M Mac Edition
+18%
0.73 TFLOPS
GeForce GTX 470M
0.616 TFLOPS
Graphics Card
Apr 2013
Release Date
Sep 2010
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
1536MB
GDDR5
Memory Type
GDDR5
128bit
Memory Bus
192bit
80.00GB/s
Bandwidth
72.00GB/s
Render Config
-
-
-
-
SM Count
6
384
Shading Units
288
32
TMUs
48
16
ROPs
24
-
-
-
-
-
-
16 KB (per SMX)
L1 Cache
64 KB (per SM)
256 KB
L2 Cache
384 KB
-
-
-
Theoretical Performance
7.600 GPixel/s
Pixel Rate
6.420 GPixel/s
30.40 GTexel/s
Texture Rate
25.68 GTexel/s
-
-
-
729.6 GFLOPS
FP32 (float)
616.3 GFLOPS
30.40 GFLOPS
FP64 (double)
51.36 GFLOPS
Board Design
50W
TDP
75W
-
-
-
No outputs
Outputs
No outputs
None
Power Connectors
None
Graphics Processor
GK107
GPU Name
GF104
-
GPU Variant
N11E-GT
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
