
Radeon HD 8670M and GeForce GTX 1660 Ti Mobile Refresh - video card comparison
Radeon HD 8670M
GeForce GTX 1660 Ti Mobile Refresh
Architecture
GCN (2011−2017)
Turing (2018−2021)
GPU code name
Sun
TU116B
Market segment
Laptop
Laptop
Release date
November 2012
May 2019
Interface
PCIe 3.0 x8
PCIe 3.0 x16
Boost clock speed
825 MHz
1590 MHz
Core clock speed
775 MHz
-
Floating-point performance
633.6 gflops
-
Manufacturing process technology
28 nm
12 nm
Number of transistors
690 million
6,600 million
Pipelines / CUDA cores
384
1536
Texture fill rate
19.50
152.6
Memory type
DDR3
GDDR6
Maximum RAM amount
2 GB
6 GB
Memory bus width
64 Bit
192 Bit
Memory clock speed
2000 MHz
16 GB/s
Memory bandwidth
16 GB/s
384.0 GB/s
Shared memory
-
-
Display Connectors
No outputs
1x DVI, 1x HDMI, 3x DisplayPort
HDMI
-
+
DirectX
12 (11_1)
12 (12_1)
CUDA
-
7.5
OpenCL
1.2
1.2
OpenGL
4.6
4.6
Shader Model
5.1
6.5
Vulkan
1.2.131
1.2