Radeon HD 6770 and GeForce 7800 GT - video card comparison
Passmark - benchmark score Radeon HD 6770 vs GeForce 7800 GT
Radeon HD 6770
1286
GeForce 7800 GT
251
Radeon HD 6770
GeForce 7800 GT
Architecture
TeraScale 2 (2009−2015)
Curie (2003−2013)
GPU code name
Juniper
G70
Market segment
Desktop
Desktop
Release date
January 2011
August 2005
Bus support
PCIe 2.0 x16
-
Interface
PCIe 2.0 x16
PCIe 1.0 x16
Supplementary power connectors
1x 6-pin
1x 6-pin
Boost clock speed
900 MHz
-
Core clock speed
-
400 MHz
Floating-point performance
1,360.0 gflops
-
Manufacturing process technology
40 nm
110 nm
Number of transistors
1,040 million
302 million
Pipelines / CUDA cores
800
-
Power consumption (TDP)
108 Watt
65 Watt
Texture fill rate
34.00
8.000
Memory type
GDDR5
GDDR3
Maximum RAM amount
1 GB
256 MB
Memory bus width
128 Bit
256 Bit
Memory clock speed
1050 MHz
1000 MHz
Memory bandwidth
76.8 GB/s
32 GB/s
Display Connectors
2x DVI, 1x HDMI, 2x mini-DisplayPort
2x DVI, 1x S-Video
Eyefinity
1
-
HDMI
+
-
DisplayPort support
-
-
DirectX
DirectX® 11
9.0c (9_3)
Mantle
-
-
OpenCL
1.2
N/A
OpenGL
4.4
2.1
Shader Model
5.0
3.0
Vulkan
-
N/A
AppAcceleration
-
-
CrossFire
1
-
Enduro
-
-
HD3D
-
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-