Radeon HD 6870 and GeForce 6800 GT - video card comparison
Passmark - benchmark score Radeon HD 6870 vs GeForce 6800 GT
Radeon HD 6870
2285
GeForce 6800 GT
146
Radeon HD 6870
GeForce 6800 GT
Architecture
Terascale 2 (2009−2015)
Curie (2003−2013)
GPU code name
RV940 Barts
NV45
Market segment
Desktop
Desktop
Release date
October 2010
June 2004
Bus support
PCIe 2.0 x16
-
Interface
PCIe 2.0 x16
PCIe 1.0 x16
Supplementary power connectors
2x 6-pin
1x 6-pin
Boost clock speed
900 MHz
-
Core clock speed
-
350 MHz
Floating-point performance
2,016.0 gflops
-
Manufacturing process technology
40 nm
130 nm
Number of transistors
1,700 million
222 million
Pipelines / CUDA cores
1120
-
Power consumption (TDP)
151 Watt
67 Watt
Texture fill rate
50.40
5.600
Memory type
GDDR5
GDDR3
Maximum RAM amount
1 GB
256 MB
Memory bus width
256 Bit
256 Bit
Memory clock speed
1050 MHz
1000 MHz
Memory bandwidth
134.4 GB/s
32 GB/s
Shared memory
-
-
Display Connectors
2x DVI, 1x HDMI, 2x mini-DisplayPort
2x DVI, 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
-
-