GeForce 8800 Ultra and Radeon HD 6670 - video card comparison
Passmark - benchmark score GeForce 8800 Ultra vs Radeon HD 6670
GeForce 8800 Ultra
661
Radeon HD 6670
752
GeForce 8800 Ultra
Radeon HD 6670
Architecture
Tesla (2006−2010)
TeraScale 2 (2009−2015)
GPU code name
G80
Turks
Market segment
Desktop
Desktop
Release date
May 2007
April 2011
Bus support
-
PCIe 2.0 x16
Interface
PCIe 1.0 x16
PCIe 2.0 x16
Supplementary power connectors
2x 6-pin
None
SLI options
+
-
Boost clock speed
-
800 MHz
Core clock speed
612 MHz
-
CUDA cores
612
-
Floating-point performance
387.1 gflops
768.0 gflops
Manufacturing process technology
90 nm
40 nm
Number of transistors
681 million
716 million
Pipelines / CUDA cores
128
480
Power consumption (TDP)
171 Watt
66 Watt
Texture fill rate
39.2 billion/sec
19.20
Memory type
GDDR3
GDDR5
Maximum RAM amount
512 MB
1 GB
Memory bus width
384 Bit
128 Bit
Memory clock speed
1080 MHz
1050 MHz
Memory bandwidth
103.7 GB/s
64 GB/s
Display Connectors
2x DVI, 1x S-Video
1x DVI, 1x HDMI, 1x VGA
Eyefinity
-
1
HDMI
-
+
DisplayPort support
-
-
DirectX
11.1 (10_0)
DirectX® 11
CUDA
+
-
Mantle
-
-
OpenCL
1.1
1.2
OpenGL
3.3
4.4
Shader Model
4.0
5.0
Vulkan
N/A
-
AppAcceleration
-
-
CrossFire
-
1
Enduro
-
-
HD3D
-
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-