Radeon R7 M340 and GeForce GTX 1660 Ti Mobile Refresh - video card comparison
Radeon R7 M340
GeForce GTX 1660 Ti Mobile Refresh
Architecture
GCN (2011−2017)
Turing (2018−2021)
GPU code name
Meso Pro DDR3
TU116B
Market segment
Laptop
Laptop
Release date
June 2015
May 2019
Bus support
PCIe 3.0
-
Interface
PCIe 3.0 x8
PCIe 3.0 x16
Supplementary power connectors
None
-
Boost clock speed
1021 MHz
1590 MHz
Compute units
6
-
Core clock speed
1021 MHz
-
Floating-point performance
549.1 gflops
-
Manufacturing process technology
28 nm
12 nm
Number of transistors
950 million
6,600 million
Pipelines / CUDA cores
320
1536
Texture fill rate
17.16
152.6
Memory type
DDR3
GDDR6
Maximum RAM amount
4 GB
6 GB
Memory bus width
128 Bit
192 Bit
Memory clock speed
1000 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
Eyefinity
1
-
HDMI
-
+
DirectX
DirectX® 12
12 (12_1)
CUDA
-
7.5
Mantle
+
-
OpenCL
Not Listed
1.2
OpenGL
4.4
4.6
Shader Model
5.1
6.5
Vulkan
+
1.2
AppAcceleration
-
-
DualGraphics
1
-
Enduro
-
-
FreeSync
1
-
HD3D
+
-
PowerTune
+
-
Switchable graphics
1
-
TrueAudio
-
-
ZeroCore
+
-