
Radeon R9 270X and Radeon 8500 X4 - video card comparison
Radeon R9 270X
Radeon 8500 X4
Architecture
GCN (2011−2017)
Rage 7 (2001−2006)
GPU code name
Curacao XT
R200
Market segment
Desktop
Desktop
Release date
October 2013
-
Bus support
PCIe 3.0
-
Interface
PCIe 3.0 x16
PCI-X
Supplementary power connectors
2 x 6-pin
-
Boost clock speed
1050 MHz
-
Core clock speed
-
250 MHz
Floating-point performance
2,688 gflops
-
Manufacturing process technology
28 nm
150 nm
Number of transistors
2,800 million
60 million
Pipelines / CUDA cores
1280
-
Power consumption (TDP)
180 Watt
92 Watt
Texture fill rate
84.00
2.000
Memory type
GDDR5
DDR
Maximum RAM amount
4 GB
64 MB
Memory bus width
256 Bit
64 Bit
Memory clock speed
-
500 MBps
Memory bandwidth
179.2 GB/s
4 GB/s
Shared memory
-
-
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
2x DVI
Eyefinity
+
-
HDMI
+
-
DisplayPort support
+
-
DirectX
DirectX® 12
8.1
Mantle
-
-
OpenCL
1.2
N/A
OpenGL
4.6
1.3
Shader Model
5.1
-
Vulkan
+
N/A
AppAcceleration
+
-
CrossFire
1
-
DDMA audio
+
-
Enduro
-
-
FreeSync
1
-
HD3D
+
-
LiquidVR
1
-
PowerTune
-
-
TressFX
1
-
TrueAudio
+
-
UVD
+
-
ZeroCore
-
-