Radeon HD 6850 and GeForce 8800 GTX - video card comparison
Passmark - benchmark score Radeon HD 6850 vs GeForce 8800 GTX
Radeon HD 6850
2030
GeForce 8800 GTX
608
Radeon HD 6850
GeForce 8800 GTX
Architecture
TeraScale 2 (2009−2015)
Tesla (2006−2010)
GPU code name
Barts
G80
Market segment
Desktop
Desktop
Release date
October 2010
November 2006
Bus support
AGP
-
Interface
PCIe 2.0 x16
PCIe 1.0 x16
Supplementary power connectors
1x 6-pin
2x 6-pin
SLI options
-
+
Core clock speed
-
576 MHz
CUDA cores
-
575
Floating-point performance
1,488.0 gflops
345.6 gflops
Manufacturing process technology
40 nm
90 nm
Number of transistors
1,700 million
681 million
Pipelines / CUDA cores
960
128
Power consumption (TDP)
127 Watt
155 Watt
Texture fill rate
37.20
36.8 billion/sec
Memory type
GDDR5
GDDR3
Maximum RAM amount
1 GB
768 MB
Memory bus width
256 Bit
384 Bit
Memory clock speed
-
900 MHz
Memory bandwidth
128.0 GB/s
86.4 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
-
+
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
-
-