GeForce GTX 980 SLI Mobile and Radeon R7 M340 - video card comparison
GeForce GTX 980 SLI Mobile
Radeon R7 M340
Architecture
Maxwell (2014−2018)
GCN (2011−2017)
GPU code name
N16E-GXX SLI
Meso Pro DDR3
Market segment
Laptop
Laptop
Release date
September 2015
June 2015
Bus support
-
PCIe 3.0
Interface
-
PCIe 3.0 x8
Supplementary power connectors
-
None
SLI options
+
-
Boost clock speed
1228 MHz
1021 MHz
Compute units
-
6
Core clock speed
1126 MHz
1021 MHz
Floating-point performance
-
549.1 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
10400 Million
950 million
Pipelines / CUDA cores
4096
320
Power consumption (TDP)
330 Watt
-
Texture fill rate
-
17.16
Memory type
GDDR5
DDR3
Maximum RAM amount
2x 8 GB
4 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
3500 MHz
1000 MHz
Memory bandwidth
-
16 GB/s
Shared memory
-
-
Display Connectors
-
No outputs
Eyefinity
-
1
G-SYNC support
+
-
DirectX
12_1
DirectX® 12
CUDA
+
-
Mantle
-
+
OpenCL
-
Not Listed
OpenGL
-
4.4
Shader Model
-
5.1
Vulkan
-
+
AppAcceleration
-
-
DualGraphics
-
1
Enduro
-
-
FreeSync
-
1
HD3D
-
+
PowerTune
-
+
Switchable graphics
-
1
TrueAudio
-
-
ZeroCore
-
+