
Radeon HD 6870 and FirePro W2100 - video card comparison
Passmark - benchmark score Radeon HD 6870 vs FirePro W2100
Radeon HD 6870
2285
FirePro W2100
930
Radeon HD 6870
FirePro W2100
Architecture
Terascale 2 (2009−2015)
GCN (2011−2017)
GPU code name
RV940 Barts
Mars
Market segment
Desktop
Workstation
Release date
October 2010
October 2015
Bus support
PCIe 2.0 x16
PCIe 3.0
Interface
PCIe 2.0 x16
PCIe 3.0 x8
Supplementary power connectors
2x 6-pin
None
Boost clock speed
900 MHz
680 MHz
Core clock speed
-
680 MHz
Floating-point performance
2,016.0 gflops
435.2 gflops
Manufacturing process technology
40 nm
28 nm
Number of transistors
1,700 million
950 million
Pipelines / CUDA cores
1120
320
Power consumption (TDP)
151 Watt
26 Watt
Texture fill rate
50.40
13.60
Memory type
GDDR5
DDR3
Maximum RAM amount
1 GB
2 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
1050 MHz
1800 MHz
Memory bandwidth
134.4 GB/s
28.8 GB/s
Shared memory
-
-
Display Connectors
2x DVI, 1x HDMI, 2x mini-DisplayPort
2x DisplayPort
Eyefinity
1
-
DisplayPort count
-
2
Dual-link DVI support
-
1
HDMI
+
-
DisplayPort support
-
-
DirectX
DirectX® 11
12 (11_1)
Mantle
-
-
OpenCL
1.2
1.2
OpenGL
4.4
4.6
Shader Model
5.0
5.1
Vulkan
-
1.2.131
AppAcceleration
-
+
CrossFire
1
-
Enduro
-
-
HD3D
-
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-