Radeon HD 6770 and GeForce GTX 260 - video card comparison
Passmark - benchmark score Radeon HD 6770 vs GeForce GTX 260
Radeon HD 6770
1286
GeForce GTX 260
1260
Radeon HD 6770
GeForce GTX 260
Architecture
TeraScale 2 (2009−2015)
Tesla 2.0 (2007−2013)
GPU code name
Juniper
GT200
Market segment
Desktop
Desktop
Release date
January 2011
June 2008
Bus support
PCIe 2.0 x16
-
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
1x 6-pin
2x 6-pin
SLI options
-
+
Boost clock speed
900 MHz
-
Core clock speed
-
576 MHz
CUDA cores
-
192
Floating-point performance
1,360.0 gflops
476.9 gflops
Manufacturing process technology
40 nm
65 nm
Number of transistors
1,040 million
1,400 million
Pipelines / CUDA cores
800
192
Power consumption (TDP)
108 Watt
182 Watt
Maximum GPU temperature
-
105 °C
Texture fill rate
34.00
36.9 billion/sec
Memory type
GDDR5
GDDR3
Maximum RAM amount
1 GB
896 MB
Memory bus width
128 Bit
448 Bit
Memory clock speed
1050 MHz
999 MHz
Memory bandwidth
76.8 GB/s
111.9 GB/s
Display Connectors
2x DVI, 1x HDMI, 2x mini-DisplayPort
Dual Link DVIHDTV
Multi monitor support
-
+
Eyefinity
1
-
HDMI
+
+
Maximum VGA resolution
-
2048x1536
DisplayPort support
-
-
Audio input for HDMI
-
S/PDIF
DirectX
DirectX® 11
11.1 (10_0)
CUDA
-
+
Mantle
-
-
OpenCL
1.2
1.1
OpenGL
4.4
2.1
Shader Model
5.0
4.0
Vulkan
-
N/A
AppAcceleration
-
-
CrossFire
1
-
Enduro
-
-
HD3D
-
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-