
Radeon R9 270X and Rage 128 PRO Ultra GL - video card comparison
Radeon R9 270X
Rage 128 PRO Ultra GL
Architecture
GCN (2011−2017)
Rage 4 (1998−1999)
GPU code name
Curacao XT
Rage 4
Market segment
Desktop
Desktop
Release date
October 2013
August 1998
Bus support
PCIe 3.0
-
Interface
PCIe 3.0 x16
AGP 4x
Supplementary power connectors
2 x 6-pin
None
Boost clock speed
1050 MHz
-
Core clock speed
-
130 MHz
Floating-point performance
2,688 gflops
-
Manufacturing process technology
28 nm
250 nm
Number of transistors
2,800 million
8 million
Pipelines / CUDA cores
1280
-
Power consumption (TDP)
180 Watt
-
Texture fill rate
84.00
0.26
Memory type
GDDR5
DDR
Maximum RAM amount
4 GB
16 MB
Memory bus width
256 Bit
64 Bit
Memory clock speed
-
260 MHz
Memory bandwidth
179.2 GB/s
2.08 GB/s
Shared memory
-
-
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
1x VGA
Eyefinity
+
-
HDMI
+
-
DisplayPort support
+
-
DirectX
DirectX® 12
6.0
Mantle
-
-
OpenCL
1.2
N/A
OpenGL
4.6
1.2
Shader Model
5.1
-
Vulkan
+
N/A
AppAcceleration
+
-
CrossFire
1
-
DDMA audio
+
-
Enduro
-
-
FreeSync
1
-
HD3D
+
-
LiquidVR
1
-
PowerTune
-
-
TressFX
1
-
TrueAudio
+
-
UVD
+
-
ZeroCore
-
-