NVIDIA GeForce GTX 660M Mac Edition vs NVIDIA GeForce MX250
We compared two Mobile platform GPUs: 512MB VRAM GeForce GTX 660M Mac Edition and 2GB VRAM GeForce MX250 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
Larger VRAM bandwidth (80.00GB/s vs 48.06GB/s)
NVIDIA GeForce MX250 's Advantages
Boost Clock1038MHz
More VRAM (2GB vs 512GB)
Lower TDP (10W vs 50W)
Score
Benchmark
FP32 (float)
GeForce GTX 660M Mac Edition
0.73 TFLOPS
GeForce MX250
+9%
0.797 TFLOPS
Graphics Card
Apr 2013
Release Date
Unknown
GeForce 600M
Generation
GeForce MX
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
PCIe 3.0 x4
Clock Speeds
-
Base Clock
937 MHz
-
Boost Clock
1038 MHz
1250 MHz
Memory Clock
1502 MHz
Memory
512MB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
128bit
Memory Bus
64bit
80.00GB/s
Bandwidth
48.06GB/s
Render Config
-
-
-
-
SM Count
3
384
Shading Units
384
32
TMUs
24
16
ROPs
16
-
-
-
-
-
-
16 KB (per SMX)
L1 Cache
48 KB (per SM)
256 KB
L2 Cache
512 KB
-
-
-
Theoretical Performance
7.600 GPixel/s
Pixel Rate
16.61 GPixel/s
30.40 GTexel/s
Texture Rate
24.91 GTexel/s
-
FP16 (half)
12.46 GFLOPS
729.6 GFLOPS
FP32 (float)
797.2 GFLOPS
30.40 GFLOPS
FP64 (double)
24.91 GFLOPS
Board Design
50W
TDP
10W
-
-
-
No outputs
Outputs
No outputs
None
Power Connectors
None
Graphics Processor
GK107
GPU Name
GP108B
-
-
-
Kepler
Architecture
Pascal
TSMC
Foundry
Samsung
28 nm
Process Size
14 nm
1.27 billion
Transistors
1.8 billion
118 mm²
Die Size
74 mm²
Graphics Features
12 (11_0)
DirectX
12 (12_1)
4.6
OpenGL
4.6
3.0
OpenCL
3.0
1.1
Vulkan
1.3
3.0
CUDA
6.1
5.1
Shader Model
6.4
