GeForce GTX 660 Ti and GeForce RTX 2080 Ti - video card comparison
Passmark - benchmark score GeForce GTX 660 Ti vs GeForce RTX 2080 Ti
GeForce GTX 660 Ti
4547
GeForce RTX 2080 Ti
22431
GeForce GTX 660 Ti
GeForce RTX 2080 Ti
Architecture
Kepler (2012−2018)
Turing (2018−2021)
GPU code name
GK104
Turing TU102
Market segment
Desktop
Desktop
Release date
August 2012
August 2018
Bus support
PCI Express 3.0
-
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
Two 6-pin
2x 8-pin
SLI options
+
-
Boost clock speed
980 MHz
1545 MHz
Core clock speed
915 MHz
1350 MHz
CUDA cores
1344
-
Floating-point performance
2,459.5 gflops
-
Manufacturing process technology
28 nm
12 nm
Number of transistors
3,540 million
18,600 million
Pipelines / CUDA cores
1344
4352
Power consumption (TDP)
150 Watt
270 Watt
Texture fill rate
102.5 billion/sec
420.2
Memory type
GDDR5
GDDR6
Maximum RAM amount
2 GB
11 GB
Memory bus width
192-bit GDDR5
352 Bit
Memory clock speed
6.0 GB/s
14000 MHz
Memory bandwidth
144.2 GB/s
616.0 GB/s
Shared memory
-
-
Display Connectors
One Dual Link DVI-I, One Dual Link DVI-D, One HDMI, One DisplayPort
1x HDMI, 3x DisplayPort, 1x USB Type-C
Multi monitor support
4 displays
-
HDMI
+
+
HDCP
+
-
Maximum VGA resolution
2048x1536
-
G-SYNC support
-
+
Audio input for HDMI
Internal
-
DirectX
12 (11_0)
12 Ultimate (12_1)
CUDA
+
7.5
OpenCL
1.2
2.0
OpenGL
4.3
4.6
Shader Model
5.1
6.5
Vulkan
1.1.126
1.2.131
3D Blu-Ray
+
-
3D Gaming
+
-
3D Vision
+
-
VR Ready
-
+