NVIDIA GeForce GTX 660M Mac Edition vs NVIDIA GeForce 8600M GT Mac Edition
We compared two Mobile platform GPUs: 512MB VRAM GeForce GTX 660M Mac Edition and 512MB VRAM GeForce 8600M GT Mac Edition 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 5 years and 6 months late
Larger VRAM bandwidth (80.00GB/s vs 20.32GB/s)
352 additional rendering cores
NVIDIA GeForce 8600M GT Mac Edition 's Advantages
Lower TDP (20W vs 50W)
Score
Benchmark
FP32 (float)
GeForce GTX 660M Mac Edition
+1116%
0.73 TFLOPS
GeForce 8600M GT Mac Edition
0.06 TFLOPS
Graphics Card
Apr 2013
Release Date
Oct 2007
GeForce 600M
Generation
GeForce 8M
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
MXM-II
Clock Speeds
-
-
-
-
-
-
1250 MHz
Memory Clock
635 MHz
Memory
512MB
Memory Size
512MB
GDDR5
Memory Type
GDDR3
128bit
Memory Bus
128bit
80.00GB/s
Bandwidth
20.32GB/s
Render Config
-
-
-
-
SM Count
4
384
Shading Units
32
32
TMUs
16
16
ROPs
8
-
-
-
-
-
-
16 KB (per SMX)
L1 Cache
-
256 KB
L2 Cache
32 KB
-
-
-
Theoretical Performance
7.600 GPixel/s
Pixel Rate
3.760 GPixel/s
30.40 GTexel/s
Texture Rate
7.520 GTexel/s
-
-
-
729.6 GFLOPS
FP32 (float)
60.16 GFLOPS
30.40 GFLOPS
FP64 (double)
-
Board Design
50W
TDP
20W
-
-
-
No outputs
Outputs
No outputs
None
Power Connectors
-
Graphics Processor
GK107
GPU Name
G84
-
GPU Variant
NB8P-GS
Kepler
Architecture
Tesla
TSMC
Foundry
TSMC
28 nm
Process Size
80 nm
1.27 billion
Transistors
0.289 billion
118 mm²
Die Size
169 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
