Quadro K4000 and Radeon HD 6670 - video card comparison
Passmark - benchmark score Quadro K4000 vs Radeon HD 6670
Quadro K4000
2806
Radeon HD 6670
752
Quadro K4000
Radeon HD 6670
Architecture
Kepler (2012−2018)
TeraScale 2 (2009−2015)
GPU code name
GK106
Turks
Market segment
Workstation
Desktop
Release date
March 2013
April 2011
Bus support
-
PCIe 2.0 x16
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
1x 6-pin
None
Boost clock speed
-
800 MHz
Core clock speed
810 MHz
-
Floating-point performance
1,244 gflops
768.0 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
2,540 million
716 million
Pipelines / CUDA cores
768
480
Power consumption (TDP)
80 Watt
66 Watt
Texture fill rate
51.84
19.20
Memory type
GDDR5
GDDR5
Maximum RAM amount
3 GB
1 GB
Memory bus width
192 Bit
128 Bit
Memory clock speed
5616 MHz
1050 MHz
Memory bandwidth
134.8 GB/s
64 GB/s
Display Connectors
1x DVI, 2x DisplayPort
1x DVI, 1x HDMI, 1x VGA
Eyefinity
-
1
HDMI
-
+
DisplayPort support
-
-
DirectX
12 (11_0)
DirectX® 11
CUDA
3.0
-
Mantle
-
-
OpenCL
1.2
1.2
OpenGL
4.6
4.4
Shader Model
5.1
5.0
Vulkan
+
-
AppAcceleration
-
-
CrossFire
-
1
Enduro
-
-
HD3D
-
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-