Radeon HD 6950 and GeForce GTX 260 Core 216 - video card comparison
Radeon HD 6950
GeForce GTX 260 Core 216
Architecture
TeraScale 3 (2010−2013)
Tesla 2.0 (2007−2013)
GPU code name
Cayman
GT200
Market segment
Desktop
Desktop
Release date
December 2010
September 2008
Bus support
PCIe 2.0 x16
-
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
2x 6-pin
2x 6-pin
Boost clock speed
800 MHz
-
Core clock speed
-
576 MHz
Floating-point performance
2,252.8 gflops
536.5 gflops
Manufacturing process technology
40 nm
65 nm
Number of transistors
2,640 million
1,400 million
Pipelines / CUDA cores
1408
216
Power consumption (TDP)
500 Watt
182 Watt
Texture fill rate
70.40
41.47
Memory type
GDDR5
GDDR3
Maximum RAM amount
2 GB
896 MB
Memory bus width
256 Bit
448 Bit
Memory clock speed
1250 MHz
1998 MHz
Memory bandwidth
-
111.9 GB/s
Display Connectors
2x DVI, 1x HDMI, 2x mini-DisplayPort
2x DVI, 1x S-Video
Eyefinity
1
-
HDMI
+
-
DisplayPort support
-
-
DirectX
DirectX® 11
11.1 (10_0)
CUDA
-
1.3
Mantle
-
-
OpenCL
1.2
1.1
OpenGL
4.4
3.3
Shader Model
5.0
4.0
Vulkan
-
N/A
AppAcceleration
-
-
CrossFire
1
-
Enduro
-
-
HD3D
-
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-