GeForce GTX 980 SLI Mobile and Radeon R9 285 - video card comparison
GeForce GTX 980 SLI Mobile
Radeon R9 285
Architecture
Maxwell (2014−2018)
GCN 3.0 (2014−2017)
GPU code name
N16E-GXX SLI
Tonga
Market segment
Laptop
Desktop
Release date
September 2015
September 2014
Interface
-
PCIe 3.0 x16
Supplementary power connectors
-
2x 6-pin
SLI options
+
-
Boost clock speed
1228 MHz
-
Core clock speed
1126 MHz
918 MHz
Floating-point performance
-
3,290 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
10400 Million
5,000 million
Pipelines / CUDA cores
4096
1792
Power consumption (TDP)
330 Watt
190 Watt
Texture fill rate
-
102.8
Memory type
GDDR5
GDDR5
Maximum RAM amount
2x 8 GB
2 GB
Memory bus width
256 Bit
256 Bit
Memory clock speed
3500 MHz
5.5 GB/s
Memory bandwidth
-
176.0 GB/s
Shared memory
-
-
Display Connectors
-
2x DVI, 1x HDMI 1.4a, 1x DisplayPort 1.2
HDMI
-
+
G-SYNC support
+
-
DirectX
12_1
12 (12_0)
CUDA
+
-
OpenCL
-
2.1
OpenGL
-
4.6
Shader Model
-
6.5
Vulkan
-
1.2.170