
Radeon HD 6770 and GeForce 6800 - video card comparison
Passmark - benchmark score Radeon HD 6770 vs GeForce 6800
Radeon HD 6770
1286
GeForce 6800
115
Radeon HD 6770
GeForce 6800
Architecture
TeraScale 2 (2009−2015)
Curie (2003−2013)
GPU code name
Juniper
NV41
Market segment
Desktop
Desktop
Release date
January 2011
November 2004
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
-
325 MHz
Floating-point performance
1,360.0 gflops
-
Manufacturing process technology
40 nm
130 nm
Number of transistors
1,040 million
190 million
Pipelines / CUDA cores
800
-
Power consumption (TDP)
108 Watt
-
Texture fill rate
34.00
3.900
Memory type
GDDR5
DDR
Maximum RAM amount
1 GB
256 MB
Memory bus width
128 Bit
256 Bit
Memory clock speed
1050 MHz
600 MBps
Memory bandwidth
76.8 GB/s
19.2 GB/s
Display Connectors
2x DVI, 1x HDMI, 2x mini-DisplayPort
1x DVI, 1x VGA, 1x S-Video
Eyefinity
1
-
HDMI
+
-
DisplayPort support
-
-
DirectX
DirectX® 11
9.0c (9_3)
Mantle
-
-
OpenCL
1.2
N/A
OpenGL
4.4
2.0 (full)
Shader Model5.03.0
Vulkan
-
N/A
AppAcceleration
-
-
CrossFire
1
-
Enduro
-
-
HD3D
-
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-