NVIDIA GeForce GTX 775M Mac Edition vs NVIDIA GeForce GTX 680
GPU Specs Compare
Graphics Card
Release Date
Nov 2013
Mar 2012
Generation
GeForce 700M
GeForce 600
Type
Mobile
Desktop
Bus Interface
MXM-B (3.0)
PCIe 3.0 x16
Clock Speeds
Memory Clock
1250 MHz
1502 MHz
Base Clock
-
1006 MHz
Boost Clock
-
1058 MHz
Memory
Memory Size
2GB
2GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
256bit
Bandwidth
160.0GB/s
192.3GB/s
Render Config
Shading Units
1344
1536
TMUs
112
128
ROPs
32
32
L1 Cache
16 KB (per SMX)
16 KB (per SMX)
L2 Cache
512 KB
512 KB
Theoretical Performance
Pixel Rate
22.32 GPixel/s
33.86 GPixel/s
Texture Rate
89.26 GTexel/s
135.4 GTexel/s
FP32 (float)
2.142 TFLOPS
3.250 TFLOPS
FP64 (double)
89.26 GFLOPS
135.4 GFLOPS
Graphics Processor
GPU Name
GK104
GK104
GPU Variant
N13E-GTX-A2
GK104-400-A2
Architecture
Kepler
Kepler
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
3.54 billion
3.54 billion
Die Size
294 mm²
294 mm²
Board Design
TDP
100W
195W
Outputs
No outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Suggested PSU
-
450 W
Power Connectors
-
2x 6-pin
Graphics Features
DirectX
12 (11_0)
12 (11_0)
OpenGL
4.6
4.6
OpenCL
3.0
3.0
Vulkan
1.1
1.2.175
CUDA
3.0
3.0
Shader Model
5.1
6.5 (5.1)