Radeon HD 6870 and Quadro FX 3800 - video card comparison
Passmark - benchmark score Radeon HD 6870 vs Quadro FX 3800
Radeon HD 6870
2285
Quadro FX 3800
821
Radeon HD 6870
Quadro FX 3800
Architecture
Terascale 2 (2009−2015)
Tesla 2.0 (2007−2013)
GPU code name
RV940 Barts
GT200B
Market segment
Desktop
Workstation
Release date
October 2010
March 2009
Bus support
PCIe 2.0 x16
-
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
2x 6-pin
1x 6-pin
Boost clock speed
900 MHz
-
Core clock speed
-
600 MHz
Floating-point performance
2,016.0 gflops
462.3 gflops
Manufacturing process technology
40 nm
55 nm
Number of transistors
1,700 million
1,400 million
Pipelines / CUDA cores
1120
192
Power consumption (TDP)
151 Watt
108 Watt
Texture fill rate
50.40
38.40
Memory type
GDDR5
GDDR3
Maximum RAM amount
1 GB
1 GB
Memory bus width
256 Bit
256 Bit
Memory clock speed
1050 MHz
1600 MHz
Memory bandwidth
134.4 GB/s
51.2 GB/s
Shared memory
-
-
Display Connectors
2x DVI, 1x HDMI, 2x mini-DisplayPort
1x DVI, 2x DisplayPort
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
-
-