NVIDIA GeForce GTX 660M Mac Edition vs NVIDIA GeForce Go 6800
We compared two Mobile platform GPUs: 512MB VRAM GeForce GTX 660M Mac Edition and 256MB VRAM GeForce Go 6800 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 8 years and 5 months late
More VRAM (512GB vs 256GB)
Larger VRAM bandwidth (80.00GB/s vs 35.20GB/s)
384 additional rendering cores
NVIDIA GeForce Go 6800 's Advantages
Lower TDP (45W vs 50W)
Score
Graphics Card
Apr 2013
Release Date
Nov 2004
GeForce 600M
Generation
GeForce Go 6
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
MXM-III
Clock Speeds
-
-
-
-
-
-
1250 MHz
Memory Clock
550 MHz
Memory
512MB
Memory Size
256MB
GDDR5
Memory Type
GDDR3
128bit
Memory Bus
256bit
80.00GB/s
Bandwidth
35.20GB/s
Render Config
-
-
-
-
-
-
384
Shading Units
-
32
TMUs
12
16
ROPs
8
-
-
-
-
-
-
16 KB (per SMX)
L1 Cache
-
256 KB
L2 Cache
-
-
-
-
Theoretical Performance
7.600 GPixel/s
Pixel Rate
2.400 GPixel/s
30.40 GTexel/s
Texture Rate
3.600 GTexel/s
-
-
-
729.6 GFLOPS
FP32 (float)
-
30.40 GFLOPS
FP64 (double)
-
Board Design
50W
TDP
45W
-
-
-
No outputs
Outputs
Portable Device Dependent
None
Power Connectors
None
Graphics Processor
GK107
GPU Name
NV41
-
-
-
Kepler
Architecture
Curie
TSMC
Foundry
TSMC
28 nm
Process Size
130 nm
1.27 billion
Transistors
0.19 billion
118 mm²
Die Size
225 mm²
Graphics Features
12 (11_0)
DirectX
9.0c (9_3)
4.6
OpenGL
2.0 (full)
2.1 (partial)
3.0
OpenCL
N/A
1.1
Vulkan
N/A
3.0
CUDA
-
5.1
Shader Model
3.0
