Radeon HD 6970 and GeForce 6600 - video card comparison
Passmark - benchmark score Radeon HD 6970 vs GeForce 6600
Radeon HD 6970
2921
GeForce 6600
89
Radeon HD 6970
GeForce 6600
Architecture
Terascale 2 (2009−2015)
Curie (2003−2013)
GPU code name
Cayman
NV43 A2
Market segment
Desktop
Desktop
Release date
December 2010
August 2004
Bus support
PCIe 2.0 x16
-
Interface
PCIe 2.0 x16
PCIe 1.0 x16
Supplementary power connectors
1x 6-pin + 1x 8-pin
None
Boost clock speed
880 MHz
-
Core clock speed
-
300 MHz
Floating-point performance
2,703.4 gflops
-
Manufacturing process technology
40 nm
110 nm
Number of transistors
2,640 million
146 million
Pipelines / CUDA cores
1536
-
Power consumption (TDP)
550 Watt
-
Texture fill rate
84.48
2.400
Memory type
DDR5
DDR
Maximum RAM amount
2 GB
256 MB
Memory bus width
256 Bit
128 Bit
Memory clock speed
1375 MHz
500 MHz
Memory bandwidth
-
8 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
2.1
Shader Model
5.0
3.0
Vulkan
-
N/A
AppAcceleration
-
-
CrossFire
1
-
Enduro
-
-
HD3D
-
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-