Radeon HD 6770 and Radeon HD 7660D - video card comparison
Passmark - benchmark score Radeon HD 6770 vs Radeon HD 7660D
Radeon HD 6770
1286
Radeon HD 7660D
518
Radeon HD 6770
Radeon HD 7660D
Architecture
TeraScale 2 (2009−2015)
Terascale 3 (2010−2013)
GPU code name
Juniper
Trinity
Market segment
Desktop
Desktop
Release date
January 2011
September 2012
Bus support
PCIe 2.0 x16
-
Interface
PCIe 2.0 x16
IGP
Supplementary power connectors
1x 6-pin
-
Boost clock speed
900 MHz
800 MHz
Core clock speed
-
633 MHz
Floating-point performance
1,360.0 gflops
-
Manufacturing process technology
40 nm
32 nm
Number of transistors
1,040 million
1,303 million
Pipelines / CUDA cores
800
384
Power consumption (TDP)
108 Watt
100 Watt
Texture fill rate
34.00
19.20
Memory type
GDDR5
System Shared
Maximum RAM amount
1 GB
System Shared
Memory bus width
128 Bit
System Shared
Memory clock speed
1050 MHz
System Shared
Memory bandwidth
76.8 GB/s
-
Shared memory
-
+
Display Connectors
2x DVI, 1x HDMI, 2x mini-DisplayPort
No outputs
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
-
-