Radeon HD 7870 and FirePro V3900 - video card comparison
Passmark - benchmark score Radeon HD 7870 vs FirePro V3900
Radeon HD 7870
4779
FirePro V3900
660
Radeon HD 7870
FirePro V3900
Architecture
GCN (2011−2017)
TeraScale 2 (2009−2015)
GPU code name
Pitcairn XT
Turks
Market segment
Desktop
Workstation
Release date
March 2012
February 2012
Bus support
-
PCIe 2.1 x16
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Supplementary power connectors
2x 6-pin
None
Core clock speed
1000 MHz
650 MHz
Floating-point performance
-
624.0 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
2800 Million
716 million
Pipelines / CUDA cores
1280
480
Power consumption (TDP)
175 Watt
199 Watt
Texture fill rate
80.00
15.60
Memory type
GDDR5
GDDR3
Maximum RAM amount
2 GB
1 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
4800 MHz
1800 MHz
Memory bandwidth
153.6 GB/s
28 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 2x mini-DisplayPort
1x DVI, 1x DisplayPort
Eyefinity
+
-
DisplayPort count
-
1
Dual-link DVI support
-
1
HD сomponent video output
-
1
HDMI
+
-
DirectX
12 (11_1)
11.2 (11_0)
OpenCL
1.2
1.2
OpenGL
4.6
4.4
Shader Model
5.1
5.0
Vulkan
1.2.131
N/A