Radeon HD 6770 and GeForce GTX 260M SLI - video card comparison
Radeon HD 6770
GeForce GTX 260M SLI
Architecture
TeraScale 2 (2009−2015)
G9x (2007−2010)
GPU code name
Juniper
NB9E-GTX
Market segment
Desktop
Laptop
Release date
January 2011
March 2009
Bus support
PCIe 2.0 x16
-
Interface
PCIe 2.0 x16
-
Supplementary power connectors
1x 6-pin
-
Boost clock speed
900 MHz
-
Core clock speed
-
550 MHz
Floating-point performance
1,360.0 gflops
-
Manufacturing process technology
40 nm
55 nm
Number of transistors
1,040 million
1508 Million
Pipelines / CUDA cores
800
224
Power consumption (TDP)
108 Watt
150 Watt
Texture fill rate
34.00
-
Memory type
GDDR5
GDDR3
Maximum RAM amount
1 GB
2 GB
Memory bus width
128 Bit
256 Bit
Memory clock speed
1050 MHz
950 MHz
Memory bandwidth
76.8 GB/s
-
Shared memory
-
-
Display Connectors
2x DVI, 1x HDMI, 2x mini-DisplayPort
-
Eyefinity
1
-
HDMI
+
-
DisplayPort support
-
-
DirectX
DirectX® 11
10
CUDA
-
+
Mantle
-
-
OpenCL
1.2
-
OpenGL
4.4
-
Shader Model
5.0
-
AppAcceleration
-
-
CrossFire
1
-
Enduro
-
-
HD3D
-
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-