Radeon HD 6770M and GeForce GTX 1660 Ti Mobile Refresh - video card comparison
Radeon HD 6770M
GeForce GTX 1660 Ti Mobile Refresh
Architecture
Terascale 2 (2009−2015)
Turing (2018−2021)
GPU code name
Whistler-XT
TU116B
Market segment
Laptop
Laptop
Release date
January 2011
May 2019
Interface
MXM-A (3.0)
PCIe 3.0 x16
Boost clock speed
-
1590 MHz
Core clock speed
675 / 725 MHz
-
Floating-point performance
696.0 gflops
-
Manufacturing process technology
40 nm
12 nm
Number of transistors
716 million
6,600 million
Pipelines / CUDA cores
480
1536
Power consumption (TDP)
35 Watt
-
Texture fill rate
17.40
152.6
Memory type
GDDR5
GDDR6
Maximum RAM amount
1 GB
6 GB
Memory bus width
128 Bit
192 Bit
Memory clock speed
800 MHz
16 GB/s
Memory bandwidth
57.6 GB/s
384.0 GB/s
Shared memory
-
-
Display Connectors
No outputs
1x DVI, 1x HDMI, 3x DisplayPort
HDMI
-
+
DirectX
11.2 (11_0)
12 (12_1)
CUDA
-
7.5
OpenCL
1.2
1.2
OpenGL
4.4
4.6
Shader Model
5.0
6.5
Vulkan
N/A
1.2