Radeon R9 270 and Radeon HD 6850 - video card comparison
Passmark - benchmark score Radeon R9 270 vs Radeon HD 6850
Radeon R9 270
4435
Radeon HD 6850
2030
Radeon R9 270
Radeon HD 6850
Architecture
GCN 1.0 (2012−2020)
TeraScale 2 (2009−2015)
GPU code name
Curacao
Barts
Market segment
Desktop
Desktop
Release date
November 2013
October 2010
Bus support
PCIe 3.0
AGP
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Supplementary power connectors
1 x 6-pin
1x 6-pin
Boost clock speed
925 MHz
-
Floating-point performance
2,368 gflops
1,488.0 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
2,800 million
1,700 million
Pipelines / CUDA cores
1280
960
Power consumption (TDP)
150 Watt
127 Watt
Texture fill rate
74.00
37.20
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
1 GB
Memory bus width
256 Bit
256 Bit
Memory bandwidth
179.2 GB/s
128.0 GB/s
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
2x DVI, 1x HDMI, 2x mini-DisplayPort
Eyefinity
1
1
HDMI
+
+
DisplayPort support
+
-
DirectX
DirectX® 12
DirectX® 11
Mantle
-
-
OpenCL
1.2
1.2
OpenGL
4.6
4.4
Shader Model
5.1
5.0
Vulkan
+
-
AppAcceleration
-
-
CrossFire
1
1
DDMA audio
+
-
Enduro
-
-
FreeSync
1
-
HD3D
+
-
LiquidVR
1
-
PowerTune
-
-
TressFX
1
-
TrueAudio
+
-
UVD
+
-
ZeroCore
-
-