GeForce GTX 660 Ti and GeForce RTX 4070 Mobile - video card comparison
GeForce GTX 660 Ti
GeForce RTX 4070 Mobile
Architecture
Kepler (2012−2018)
Ada Lovelace
GPU code name
GK104
GN21-X6
Market segment
Desktop
Laptop
Release date
August 2012
January 2023
Bus support
PCI Express 3.0
-
Interface
PCIe 3.0 x16
PCIe 4.0 x16
Supplementary power connectors
Two 6-pin
-
SLI options
+
-
Boost clock speed
980 MHz
2175 MHz
Core clock speed
915 MHz
1605 MHz
CUDA cores
1344
-
Floating-point performance
2,459.5 gflops
-
Manufacturing process technology
28 nm
5 nm
Number of transistors
3,540 million
-
Pipelines / CUDA cores
1344
4608
Power consumption (TDP)
150 Watt
115 Watt (35 - 115 Watt TGP)
Texture fill rate
102.5 billion/sec
244.1
Memory type
GDDR5
GDDR6
Maximum RAM amount
2 GB
8 GB
Memory bus width
192-bit GDDR5
128 Bit
Memory clock speed
6.0 GB/s
16000 MHz
Memory bandwidth
144.2 GB/s
256.0 GB/s
Shared memory
-
-
Display Connectors
One Dual Link DVI-I, One Dual Link DVI-D, One HDMI, One DisplayPort
Portable Device Dependent
Multi monitor support
4 displays
-
HDMI
+
-
HDCP
+
-
Maximum VGA resolution
2048x1536
-
Audio input for HDMI
Internal
-
DirectX
12 (11_0)
12 Ultimate (12_2)
CUDA
+
8.9
OpenCL
1.2
3.0
OpenGL
4.3
4.6
Shader Model
5.1
6.7
Vulkan
1.1.126
1.3
3D Blu-Ray
+
-
3D Gaming
+
-
3D Vision
+
-