GeForce GTX 980 SLI Mobile and Radeon R9 295X2 - video card comparison
GeForce GTX 980 SLI Mobile
Radeon R9 295X2
Architecture
Maxwell (2014−2018)
GCN 2.0 (2013−2017)
GPU code name
N16E-GXX SLI
Vesuvius
Market segment
Laptop
Desktop
Release date
September 2015
April 2014
Bus support
-
PCIe 2.1 x16
Interface
-
PCIe 3.0 x16
Supplementary power connectors
-
2 x 8-pin
SLI options
+
-
Boost clock speed
1228 MHz
1018 MHz
Core clock speed
1126 MHz
-
Floating-point performance
-
2x 5,733 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
10400 Million
6,200 million
Pipelines / CUDA cores
4096
2816
Power consumption (TDP)
330 Watt
500 Watt
Texture fill rate
-
179.2
Memory type
GDDR5
GDDR5
Maximum RAM amount
2x 8 GB
8 GB
Memory bus width
256 Bit
512 Bit
Memory clock speed
3500 MHz
1250 MHz
Memory bandwidth
-
640 GB/s
Shared memory
-
-
Display Connectors
-
1x DVI, 4x mini-DisplayPort
Eyefinity
-
1
HDMI
-
+
DisplayPort support
-
-
G-SYNC support
+
-
DirectX
12_1
DirectX® 12
CUDA
+
-
Mantle
-
-
OpenCL
-
2.0
OpenGL
-
4.6
Shader Model
-
6.3
Vulkan
-
+
AppAcceleration
-
-
CrossFire
-
1
DDMA audio
-
+
Enduro
-
-
FreeSync
-
1
HD3D
-
+
LiquidVR
-
1
PowerTune
-
-
TressFX
-
1
TrueAudio
-
-
UVD
-
+
ZeroCore
-
-