GeForce GTX 980 Ti and Quadro K620 - video card comparison
Passmark - benchmark score GeForce GTX 980 Ti vs Quadro K620
GeForce GTX 980 Ti
14228
Quadro K620
2297
GeForce GTX 980 Ti
Quadro K620
Architecture
Maxwell (2014−2018)
Maxwell (2014−2018)
GPU code name
GM200
GM107
Market segment
Desktop
Workstation
Release date
June 2015
July 2014
Bus support
PCI Express 3.0
-
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Recommended system power (PSU)
600 Watt
-
Supplementary power connectors
6-pin + 8-pin
None
SLI options
+
-
Boost clock speed
1075 MHz
1124 MHz
Core clock speed
1000 MHz
1058 MHz
CUDA cores
2816
-
Floating-point performance
6,060 gflops
863.2 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
8,000 million
1,870 million
Pipelines / CUDA cores
2816
384
Power consumption (TDP)
250 Watt
41 Watt
Texture fill rate
176 billion/sec
26.98
Memory type
GDDR5
128 Bit
Maximum RAM amount
6 GB
2 GB
Memory bus width
384 Bit
128 Bit
Memory clock speed
7.0 GB/s
1800 MHz
Memory bandwidth
336.5 GB/s
Up to 29 GB/s
Shared memory
-
-
Display Connectors
Dual Link DVI-I, HDMI 2.0, 3x DisplayPort 1.2
DVI-I DP
Number of simultaneous displays
-
4
Multi monitor support
4 displays
-
HDMI
+
-
HDCP
+
-
Maximum VGA resolution
2048x1536
-
G-SYNC support
+
-
Audio input for HDMI
Internal
-
DirectX
12 (12_1)
12
CUDA
+
5.0
OpenCL
1.2
1.2
OpenGL
4.5
4.5
Shader Model
6.4
5
Vulkan
1.1.126
+
3D Vision Pro
-
+
GameStream
+
-
GameWorks
+
-
GeForce ShadowPlay
+
-
GPU Boost
2.0
-
Mosaic
-
+
nView Desktop Management
-
+