Quadro K620 and Radeon HD 6750 - video card comparison
Passmark - benchmark score Quadro K620 vs Radeon HD 6750
Quadro K620
2297
Radeon HD 6750
1077
Quadro K620
Radeon HD 6750
Architecture
Maxwell (2014−2018)
TeraScale 2 (2009−2015)
GPU code name
GM107
Juniper
Market segment
Workstation
Desktop
Release date
July 2014
January 2011
Bus support
-
PCIe 2.0 x16
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
None
1x 6-pin
Boost clock speed
1124 MHz
900 MHz
Core clock speed
1058 MHz
-
Floating-point performance
863.2 gflops
1,008.0 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
1,870 million
1,040 million
Pipelines / CUDA cores
384
720
Power consumption (TDP)
41 Watt
86 Watt
Texture fill rate
26.98
25.20
Memory type
128 Bit
GDDR5
Maximum RAM amount
2 GB
2 GB
Memory bus width
128 Bit
128 Bit
Memory clock speed
1800 MHz
1050 MHz
Memory bandwidth
Up to 29 GB/s
73.6 GB/s
Display Connectors
DVI-I DP
2x DVI, 1x HDMI, 2x mini-DisplayPort
Number of simultaneous displays
4
-
Eyefinity
-
1
HDMI
-
+
DisplayPort support
-
-
DirectX
12
DirectX® 11
CUDA
5.0
-
Mantle
-
-
OpenCL
1.2
1.2
OpenGL
4.5
4.4
Shader Model
5
5.0
Vulkan
+
-
3D Vision Pro
+
-
AppAcceleration
-
-
CrossFire
-
1
Enduro
-
-
HD3D
-
-
Mosaic
+
-
nView Desktop Management
+
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-