Radeon R9 270X and Radeon Sky 500 - video card comparison
Passmark - benchmark score Radeon R9 270X vs Radeon Sky 500
Radeon R9 270X
5036
Radeon Sky 500
4906
Radeon R9 270X
Radeon Sky 500
Architecture
GCN (2011−2017)
GCN 1.0 (2012−2020)
GPU code name
Curacao XT
Pitcairn
Market segment
Desktop
Desktop
Release date
October 2013
March 2013
Bus support
PCIe 3.0
PCIe 3.0
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
2 x 6-pin
1x 6-pin
Boost clock speed
1050 MHz
-
Core clock speed
-
950 MHz
Floating-point performance
2,688 gflops
2,432 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
2,800 million
2,800 million
Pipelines / CUDA cores
1280
1280
Power consumption (TDP)
180 Watt
150 Watt
Texture fill rate
84.00
76.00
Memory type
GDDR5
GDDR5
Maximum RAM amount
4 GB
4 GB
Memory bus width
256 Bit
256 Bit
Memory clock speed
-
4800 MHz
Memory bandwidth
179.2 GB/s
154 GB/s
Shared memory
-
-
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
1x DisplayPort
Eyefinity
+
-
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
-
-