Radeon R9 270 and Radeon HD 6750 - video card comparison
Passmark - benchmark score Radeon R9 270 vs Radeon HD 6750
Radeon R9 270
4435
Radeon HD 6750
1077
Radeon R9 270
Radeon HD 6750
Architecture
GCN 1.0 (2012−2020)
TeraScale 2 (2009−2015)
GPU code name
Curacao
Juniper
Market segment
Desktop
Desktop
Release date
November 2013
January 2011
Bus support
PCIe 3.0
PCIe 2.0 x16
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Supplementary power connectors
1 x 6-pin
1x 6-pin
Boost clock speed
925 MHz
900 MHz
Floating-point performance
2,368 gflops
1,008.0 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
2,800 million
1,040 million
Pipelines / CUDA cores
1280
720
Power consumption (TDP)
150 Watt
86 Watt
Texture fill rate
74.00
25.20
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
2 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
-
1050 MHz
Memory bandwidth
179.2 GB/s
73.6 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
-
-