GeForce GTX 880M and GeForce GTX 660 Ti - video card comparison
Passmark - benchmark score GeForce GTX 880M vs GeForce GTX 660 Ti
GeForce GTX 880M
3917
GeForce GTX 660 Ti
4547
GeForce GTX 880M
GeForce GTX 660 Ti
Architecture
Kepler (2012−2018)
Kepler (2012−2018)
GPU code name
N15E-GX-A2
GK104
Market segment
Laptop
Desktop
Release date
March 2014
August 2012
Bus support
PCI Express 2.0, PCI Express 3.0
PCI Express 3.0
Interface
MXM-B (3.0)
PCIe 3.0 x16
Supplementary power connectors
None
Two 6-pin
SLI options
+
+
Boost clock speed
993 MHz
980 MHz
Core clock speed
954 MHz
915 MHz
CUDA cores
1536
1344
Floating-point performance
3,050 gflops
2,459.5 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
3,540 million
3,540 million
Pipelines / CUDA cores
1536
1344
Power consumption (TDP)
122 Watt
150 Watt
Texture fill rate
127.1
102.5 billion/sec
Memory type
GDDR5
GDDR5
Maximum RAM amount
8 GB
2 GB
Memory bus width
256 Bit
192-bit GDDR5
Memory clock speed
Up to 2500 MHz
6.0 GB/s
Memory bandwidth
160.0 GB/s
144.2 GB/s
Shared memory
-
-
Standard memory configuration
GDDR5
-
Display Connectors
No outputs
One Dual Link DVI-I, One Dual Link DVI-D, One HDMI, One DisplayPort
eDP 1.2 signal support
Up to 3840x2160
-
LVDS signal support
Up to 1920x1200
-
Multi monitor support
-
4 displays
VGA аnalog display support
Up to 2048x1536
-
DisplayPort Multimode (DP++) support
Up to 3840x2160
-
HDCP content protection
+
-
HDMI
+
+
7.1 channel HD audio on HDMI
+
-
HDCP
-
+
Maximum VGA resolution
-
2048x1536
Audio input for HDMI
-
Internal
DirectX
12 (11_0)
12 (11_0)
CUDA
+
+
OpenCL
1.1
1.2
OpenGL
4.5
4.3
Shader Model
5.1
5.1
Vulkan
1.1.126
1.1.126
3D Blu-Ray
-
+
3D Gaming
-
+
3D Vision
-
+
H.264, VC1, MPEG2 1080p video decoder
+
-
Optimus
+
-
TrueHD and DTS-HD audio bitstreaming
+
-