Radeon R9 285 and Radeon R7 Graphics - video card comparison
Radeon R9 285
Radeon R7 Graphics
Architecture
GCN 3.0 (2014−2017)
GCN 2.0 (2013−2017)
GPU code name
Tonga
Spectre
Market segment
Desktop
Desktop
Release date
September 2014
January 2014
Interface
PCIe 3.0 x16
IGP
Supplementary power connectors
2x 6-pin
-
Boost clock speed
-
980 MHz
Core clock speed
918 MHz
686 MHz
Floating-point performance
3,290 gflops
526.8 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
5,000 million
2,410 million
Pipelines / CUDA cores
1792
512
Power consumption (TDP)
190 Watt
15 Watt
Texture fill rate
102.8
31.36
Memory type
GDDR5
System Shared
Maximum RAM amount
2 GB
System Shared
Memory bus width
256 Bit
System Shared
Memory clock speed
5.5 GB/s
System Shared
Memory bandwidth
176.0 GB/s
-
Display Connectors
2x DVI, 1x HDMI 1.4a, 1x DisplayPort 1.2
No outputs
HDMI
+
-
DirectX
12 (12_0)
12 (12_0)
OpenCL
2.1
2.0
OpenGL
4.6
4.6
Shader Model
6.5
6.0
Vulkan
1.2.170
1.2.131