Radeon R9 280 and Radeon Sky 500 - video card comparison
Passmark - benchmark score Radeon R9 280 vs Radeon Sky 500
Radeon R9 280
5725
Radeon Sky 500
4906
Radeon R9 280
Radeon Sky 500
Architecture
GCN 1.0 (2012−2020)
GCN 1.0 (2012−2020)
GPU code name
Tahiti
Pitcairn
Market segment
Desktop
Desktop
Release date
March 2014
March 2013
Bus support
PCIe 3.0
PCIe 3.0
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
1 x 6-pin + 1 x 8-pin
1x 6-pin
Boost clock speed
933 MHz
-
Core clock speed
-
950 MHz
Floating-point performance
3,344 gflops
2,432 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
4,313 million
2,800 million
Pipelines / CUDA cores
1792
1280
Power consumption (TDP)
200 Watt
150 Watt
Texture fill rate
104.5
76.00
Memory type
GDDR5
GDDR5
Maximum RAM amount
3 GB
4 GB
Memory bus width
384 Bit
256 Bit
Memory clock speed
1250 MHz
4800 MHz
Memory bandwidth
240 GB/s
154 GB/s
Display Connectors
2x DVI, 1x HDMI, 2x mini-DisplayPort
1x DisplayPort
Eyefinity
1
-
DisplayPort count
-
1
Dual-link DVI support
-
1
HDMI
+
-
DisplayPort support
-
-
DirectX
DirectX® 12
12 (11_1)
Mantle
-
-
OpenCL
1.2
1.2
OpenGL
4.6
4.6
Shader Model
5.1
5.1
Vulkan
+
1.2.131
AppAcceleration
-
-
CrossFire
1
-
DDMA audio
+
-
Enduro
-
-
FreeSync
1
-
HD3D
+
-
LiquidVR
1
-
PowerTune
-
-
TressFX
1
-
TrueAudio
+
-
UVD
+
-
ZeroCore
-
-