Radeon HD 6770 and Radeon HD 2600 XT - video card comparison
Passmark - benchmark score Radeon HD 6770 vs Radeon HD 2600 XT
Radeon HD 6770
1286
Radeon HD 2600 XT
290
Radeon HD 6770
Radeon HD 2600 XT
Architecture
TeraScale 2 (2009−2015)
TeraScale (2005−2013)
GPU code name
Juniper
RV630
Market segment
Desktop
Desktop
Release date
January 2011
June 2007
Bus support
PCIe 2.0 x16
-
Interface
PCIe 2.0 x16
PCIe 1.0 x16
Supplementary power connectors
1x 6-pin
None
Boost clock speed
900 MHz
-
Core clock speed
-
800 MHz
Floating-point performance
1,360.0 gflops
192 gflops
Manufacturing process technology
40 nm
65 nm
Number of transistors
1,040 million
390 million
Pipelines / CUDA cores
800
120
Power consumption (TDP)
108 Watt
45 Watt
Texture fill rate
34.00
6.400
Memory type
GDDR5
GDDR3
Maximum RAM amount
1 GB
256 MB
Memory bus width
128 Bit
128 Bit
Memory clock speed
1050 MHz
1400 MHz
Memory bandwidth
76.8 GB/s
22.4 GB/s
Display Connectors
2x DVI, 1x HDMI, 2x mini-DisplayPort
2x DVI, 1x S-Video
Eyefinity
1
-
HDMI
+
-
DisplayPort support
-
-
DirectX
DirectX® 11
10.0 (10_0)
Mantle
-
-
OpenCL
1.2
N/A
OpenGL
4.4
3.3
Shader Model
5.0
4.0
Vulkan
-
N/A
AppAcceleration
-
-
CrossFire
1
-
Enduro
-
-
HD3D
-
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-