Radeon HD 6770 and Radeon HD 6770 Green Edition - video card comparison
Radeon HD 6770
Radeon HD 6770 Green Edition
Architecture
TeraScale 2 (2009−2015)
TeraScale 2 (2009−2015)
GPU code name
Juniper
Juniper
Market segment
Desktop
Desktop
Release date
January 2011
April 2013
Bus support
PCIe 2.0 x16
-
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
1x 6-pin
-
Boost clock speed
900 MHz
-
Core clock speed
-
700 MHz
Floating-point performance
1,360.0 gflops
1,008 gflops
Manufacturing process technology
40 nm
40 nm
Number of transistors
1,040 million
1,040 million
Pipelines / CUDA cores
800
720
Power consumption (TDP)
108 Watt
86 Watt
Texture fill rate
34.00
25.20
Memory type
GDDR5
GDDR3
Maximum RAM amount
1 GB
2 GB
Memory bus width
128 Bit
128 Bit
Memory clock speed
1050 MHz
1334 MHz
Memory bandwidth
76.8 GB/s
21.34 GB/s
Display Connectors
2x DVI, 1x HDMI, 2x mini-DisplayPort
2x DVI, 1x HDMI, 2x mini-DisplayPort
Eyefinity
1
-
HDMI
+
+
DisplayPort support
-
-
DirectX
DirectX® 11
11.2 (11_0)
Mantle
-
-
OpenCL
1.2
1.2
OpenGL
4.4
4.4
Shader Model
5.0
5.0
Vulkan
-
N/A
AppAcceleration
-
-
CrossFire
1
-
Enduro
-
-
HD3D
-
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-