GeForce GTX 980 Ti and Radeon R6 M340DX - video card comparison
GeForce GTX 980 Ti
Radeon R6 M340DX
Architecture
Maxwell (2014−2018)
GCN (2011−2017)
GPU code name
GM200
Jet
Market segment
Desktop
Laptop
Release date
June 2015
June 2015
Bus support
PCI Express 3.0
-
Interface
PCIe 3.0 x16
IGP
Recommended system power (PSU)
600 Watt
-
Supplementary power connectors
6-pin + 8-pin
-
SLI options
+
-
Boost clock speed
1075 MHz
1030 MHz
Core clock speed
1000 MHz
-
CUDA cores
2816
-
Floating-point performance
6,060 gflops
-
Manufacturing process technology
28 nm
28 nm
Number of transistors
8,000 million
690 million
Pipelines / CUDA cores
2816
704
Power consumption (TDP)
250 Watt
-
Texture fill rate
176 billion/sec
24.72
Memory type
GDDR5
DDR3
Maximum RAM amount
6 GB
System Shared
Memory bus width
384 Bit
System Shared
Memory clock speed
7.0 GB/s
System Shared
Memory bandwidth
336.5 GB/s
-
Shared memory
-
-
Display Connectors
Dual Link DVI-I, HDMI 2.0, 3x DisplayPort 1.2
No outputs
Multi monitor support
4 displays
-
HDMI
+
-
HDCP
+
-
Maximum VGA resolution
2048x1536
-
G-SYNC support
+
-
Audio input for HDMI
Internal
-
DirectX
12 (12_1)
12 (11_1)
CUDA
+
-
OpenCL
1.2
1.2
OpenGL
4.5
4.6
Shader Model
6.4
5.1
Vulkan
1.1.126
1.2.131
GameStream
+
-
GameWorks
+
-
GeForce ShadowPlay
+
-
GPU Boost
2.0
-