GeForce GTX 660 OEM and UHD Graphics 770 - video card comparison
GeForce GTX 660 OEM
UHD Graphics 770
Architecture
Kepler (2012−2018)
Alder Lake
GPU code name
GK104
Alder Lake xG
Market segment
Desktop
Desktop
Release date
August 2012
January 2022
Interface
PCIe 3.0 x16
Ring Bus
Supplementary power connectors
1x 6-pin
-
Boost clock speed
888 MHz
300 MHz
Core clock speed
823 MHz
-
Floating-point performance
2,046 gflops
-
Manufacturing process technology
28 nm
10 nm
Number of transistors
3,540 million
-
Pipelines / CUDA cores
1152
32
Power consumption (TDP)
130 Watt
15 Watt
Texture fill rate
85.25
26.40
Memory type
GDDR5
System Shared
Maximum RAM amount
2 GB
System Shared
Memory bus width
256 Bit
System Shared
Memory clock speed
5600 MHz
1550 MHz
Memory bandwidth
179.2 GB/s
-
Shared memory
-
-
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
No outputs
HDMI
+
-
DirectX
12 (11_0)
12 (12_1)
CUDA
3.0
-
OpenCL
1.2
3.0
OpenGL
4.6
4.6
Shader Model
5.1
6.4
Vulkan
1.1.126
1.3