NVIDIA GeForce GTX 660 Ti vs NVIDIA GeForce GTX 770M
GPU Specs Compare
Graphics Card
Release Date
Aug 2012
May 2013
Generation
GeForce 600
GeForce 700M
Type
Desktop
Mobile
Bus Interface
PCIe 3.0 x16
MXM-B (3.0)
Clock Speeds
Base Clock
915 MHz
706 MHz
Boost Clock
980 MHz
797 MHz
Memory Clock
1502 MHz
1002 MHz
Memory
Memory Size
2GB
3GB
Memory Type
GDDR5
GDDR5
Memory Bus
192bit
192bit
Bandwidth
144.2GB/s
96.19GB/s
Render Config
Shading Units
1344
960
TMUs
112
80
ROPs
24
24
L1 Cache
16 KB (per SMX)
16 KB (per SMX)
L2 Cache
384 KB
384 KB
Theoretical Performance
Pixel Rate
27.44 GPixel/s
15.94 GPixel/s
Texture Rate
109.8 GTexel/s
63.76 GTexel/s
FP32 (float)
2.634 TFLOPS
1.530 TFLOPS
FP64 (double)
109.8 GFLOPS
63.76 GFLOPS
Graphics Processor
GPU Name
GK104
GK106
GPU Variant
GK104-300-KD-A2
N14E-GS-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
150W
75W
Suggested PSU
450 W
-
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
No outputs
Power Connectors
2x 6-pin
None
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