NVIDIA GeForce GTX 680MX Mac Edition vs NVIDIA GeForce GTX 650 Ti Boost
GPU Specs Compare
Graphics Card
Release Date
Oct 2012
Mar 2013
Generation
GeForce 600M
GeForce 600
Type
Mobile
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Memory Clock
1250 MHz
1502 MHz
Base Clock
-
980 MHz
Boost Clock
-
1032 MHz
Memory
Memory Size
2GB
2GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
192bit
Bandwidth
160.0GB/s
144.2GB/s
Render Config
Shading Units
1536
768
TMUs
128
64
ROPs
32
24
L1 Cache
16 KB (per SMX)
16 KB (per SMX)
L2 Cache
512 KB
384 KB
Theoretical Performance
Pixel Rate
23.01 GPixel/s
16.51 GPixel/s
Texture Rate
92.03 GTexel/s
66.05 GTexel/s
FP32 (float)
2.209 TFLOPS
1.585 TFLOPS
FP64 (double)
92.03 GFLOPS
66.05 GFLOPS
Graphics Processor
GPU Name
GK104
GK106
GPU Variant
N13E-GTX2-A2
GK106-240-A1
Architecture
Kepler
Kepler
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
3.54 billion
2.54 billion
Die Size
294 mm²
221 mm²
Board Design
TDP
122W
134W
Outputs
No outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Suggested PSU
-
300 W
Power Connectors
-
1x 6-pin
Graphics Features
DirectX
12 (11_0)
12 (11_0)
OpenGL
4.6
4.6
OpenCL
3.0
3.0
Vulkan
1.1
1.1
CUDA
3.0
3.0
Shader Model
5.1
5.1