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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
-
-