NVIDIA GeForce GTX 660M Mac Edition vs NVIDIA GeForce GTX 280M
We compared two Mobile platform GPUs: 512MB VRAM GeForce GTX 660M Mac Edition and 1024MB VRAM GeForce GTX 280M 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 4 years and 1 months late
Larger VRAM bandwidth (80.00GB/s vs 60.80GB/s)
256 additional rendering cores
Lower TDP (50W vs 75W)
NVIDIA GeForce GTX 280M 's Advantages
More VRAM (1024GB vs 512GB)
Score
Benchmark
FP32 (float)
GeForce GTX 660M Mac Edition
+95%
0.73 TFLOPS
GeForce GTX 280M
0.374 TFLOPS
Graphics Card
Apr 2013
Release Date
Mar 2009
GeForce 600M
Generation
GeForce 200M
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
MXM-IV
Clock Speeds
-
-
-
-
-
-
1250 MHz
Memory Clock
950 MHz
Memory
512MB
Memory Size
1024MB
GDDR5
Memory Type
GDDR3
128bit
Memory Bus
256bit
80.00GB/s
Bandwidth
60.80GB/s
Render Config
-
-
-
-
SM Count
16
384
Shading Units
128
32
TMUs
64
16
ROPs
16
-
-
-
-
-
-
16 KB (per SMX)
L1 Cache
-
256 KB
L2 Cache
64 KB
-
-
-
Theoretical Performance
7.600 GPixel/s
Pixel Rate
9.360 GPixel/s
30.40 GTexel/s
Texture Rate
37.44 GTexel/s
-
-
-
729.6 GFLOPS
FP32 (float)
374.5 GFLOPS
30.40 GFLOPS
FP64 (double)
-
Board Design
50W
TDP
75W
-
-
-
No outputs
Outputs
No outputs
None
Power Connectors
-
Graphics Processor
GK107
GPU Name
G92
-
GPU Variant
N10E-GTX
Kepler
Architecture
Tesla
TSMC
Foundry
TSMC
28 nm
Process Size
65 nm
1.27 billion
Transistors
0.754 billion
118 mm²
Die Size
324 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
