Quadro K620 and Radeon R7 250 - video card comparison
Passmark - benchmark score Quadro K620 vs Radeon R7 250
Quadro K620
2297
Radeon R7 250
1100
Quadro K620
Radeon R7 250
Architecture
Maxwell (2014−2018)
GCN (2011−2017)
GPU code name
GM107
Oland XT
Market segment
Workstation
Desktop
Release date
July 2014
October 2013
Bus support
-
PCIe 3.0
Interface
PCIe 2.0 x16
PCIe 3.0 x8
Supplementary power connectors
None
N/A
Boost clock speed
1124 MHz
1050 MHz
Core clock speed
1058 MHz
-
Floating-point performance
863.2 gflops
716.8 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
1,870 million
950 million
Pipelines / CUDA cores
384
384
Power consumption (TDP)
41 Watt
75 Watt
Texture fill rate
26.98
25.20
Memory type
128 Bit
DDR3, GDDR5
Maximum RAM amount
2 GB
2 GB
Memory bus width
128 Bit
128 Bit
Memory clock speed
1800 MHz
1150 MHz
Memory bandwidth
Up to 29 GB/s
72 GB/s
Shared memory
-
-
Display Connectors
DVI-I DP
1x DVI, 1x HDMI, 1x VGA
Number of simultaneous displays
4
-
HDMI
-
+
DisplayPort support
-
-
DirectX
12
DirectX® 12
CUDA
5.0
-
Mantle
-
-
OpenCL
1.2
1.2
OpenGL
4.5
4.6
Shader Model
5
5.1
Vulkan
+
-
3D Vision Pro
+
-
AppAcceleration
-
+
CrossFire
-
1
DDMA audio
-
+
Enduro
-
-
FreeSync
-
1
HD3D
-
-
Mosaic
+
-
nView Desktop Management
+
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-