GeForce GTX 660 Ti and Iris Plus Graphics 640 - video card comparison
Passmark - benchmark score GeForce GTX 660 Ti vs Iris Plus Graphics 640
GeForce GTX 660 Ti
4547
Iris Plus Graphics 640
1534
GeForce GTX 660 Ti
Iris Plus Graphics 640
Architecture
Kepler (2012−2018)
Gen. 9.5 Kaby Lake (2015−2017)
GPU code name
GK104
Kaby Lake GT3e
Market segment
Desktop
Laptop
Release date
August 2012
January 2017
Bus support
PCI Express 3.0
-
Interface
PCIe 3.0 x16
PCIe 3.0 x1
Supplementary power connectors
Two 6-pin
-
SLI options
+
-
Boost clock speed
980 MHz
1050 MHz
Core clock speed
915 MHz
300 MHz
CUDA cores
1344
-
Floating-point performance
2,459.5 gflops
-
Manufacturing process technology
28 nm
14 nm
Number of transistors
3,540 million
189 million
Pipelines / CUDA cores
1344
48
Power consumption (TDP)
150 Watt
15 Watt
Texture fill rate
102.5 billion/sec
52.80
Memory type
GDDR5
DDR3L/LPDDR3/DDR4
Maximum RAM amount
2 GB
32 GB
Memory bus width
192-bit GDDR5
64/128 Bit
Memory clock speed
6.0 GB/s
System Shared
Memory bandwidth
144.2 GB/s
-
Shared memory
-
+
Display Connectors
One Dual Link DVI-I, One Dual Link DVI-D, One HDMI, One DisplayPort
No outputs
Multi monitor support
4 displays
-
HDMI
+
-
HDCP
+
-
Maximum VGA resolution
2048x1536
-
Audio input for HDMI
Internal
-
DirectX
12 (11_0)
12 (12_1)
CUDA
+
-
OpenCL
1.2
2.1
OpenGL
4.3
4.6
Shader Model
5.1
6.4
Vulkan
1.1.126
1.1.103
3D Blu-Ray
+
-
3D Gaming
+
-
3D Vision
+
-
Quick Sync
-
+