Radeon R9 270X and GeForce 6800 XT - video card comparison
Passmark - benchmark score Radeon R9 270X vs GeForce 6800 XT
Radeon R9 270X
5036
GeForce 6800 XT
127
Radeon R9 270X
GeForce 6800 XT
Architecture
GCN (2011−2017)
Curie (2003−2013)
GPU code name
Curacao XT
NV42
Market segment
Desktop
Desktop
Release date
October 2013
September 2005
Bus support
PCIe 3.0
-
Interface
PCIe 3.0 x16
AGP 8x
Supplementary power connectors
2 x 6-pin
1x Molex
Boost clock speed
1050 MHz
-
Core clock speed
-
450 MHz
Floating-point performance
2,688 gflops
-
Manufacturing process technology
28 nm
110 nm
Number of transistors
2,800 million
202 million
Pipelines / CUDA cores
1280
-
Power consumption (TDP)
180 Watt
-
Texture fill rate
84.00
5.400
Memory type
GDDR5
GDDR3
Maximum RAM amount
4 GB
256 MB
Memory bus width
256 Bit
256 Bit
Memory clock speed
-
1200 MBps
Memory bandwidth
179.2 GB/s
38.4 GB/s
Shared memory
-
-
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
1x DVI, 1x VGA, 1x S-Video
Eyefinity
+
-
HDMI
+
-
DisplayPort support
+
-
DirectX
DirectX® 12
9.0c (9_3)
Mantle
-
-
OpenCL
1.2
N/A
OpenGL
4.6
2.0 (full)
Shader Model5.13.0
Vulkan
+
N/A
AppAcceleration
+
-
CrossFire
1
-
DDMA audio
+
-
Enduro
-
-
FreeSync
1
-
HD3D
+
-
LiquidVR
1
-
PowerTune
-
-
TressFX
1
-
TrueAudio
+
-
UVD
+
-
ZeroCore
-
-