Radeon HD 6870 and FirePro V7900 - video card comparison
Passmark - benchmark score Radeon HD 6870 vs FirePro V7900
Radeon HD 6870
2285
FirePro V7900
2373
Radeon HD 6870
FirePro V7900
Architecture
Terascale 2 (2009−2015)
TeraScale 3 (2010−2013)
GPU code name
RV940 Barts
Cayman
Market segment
Desktop
Workstation
Release date
October 2010
May 2011
Bus support
PCIe 2.0 x16
PCIe 2.1 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
-
725 MHz
Floating-point performance
2,016.0 gflops
1,856.0 gflops
Manufacturing process technology
40 nm
40 nm
Number of transistors
1,700 million
2,640 million
Pipelines / CUDA cores
1120
1280
Power consumption (TDP)
151 Watt
151 Watt
Texture fill rate
50.40
58.00
Memory type
GDDR5
GDDR5
Maximum RAM amount
1 GB
2 GB
Memory bus width
256 Bit
256 Bit
Memory clock speed
1050 MHz
5000 MHz
Memory bandwidth
134.4 GB/s
160 GB/s
Shared memory
-
-
Display Connectors
2x DVI, 1x HDMI, 2x mini-DisplayPort
4x DisplayPort
Eyefinity
1
-
DisplayPort count
-
4
Dual-link DVI support
-
1
HDMI
+
-
DisplayPort support
-
-
DirectX
DirectX® 11
11.2 (11_0)
Mantle
-
-
OpenCL
1.2
1.2
OpenGL
4.4
4.4
Shader Model
5.0
5.0
Vulkan
-
N/A
AppAcceleration
-
-
CrossFire
1
-
Enduro
-
-
HD3D
-
-
PowerTune
-
-
StereoOutput3D
-
1
TrueAudio
-
-
ZeroCore
-
-