GeForce GTX 980 and Quadro K620 - video card comparison
Passmark - benchmark score GeForce GTX 980 vs Quadro K620
GeForce GTX 980
11458
Quadro K620
2297
GeForce GTX 980
Quadro K620
Architecture
Maxwell (2014−2018)
Maxwell (2014−2018)
GPU code name
GM204
GM107
Market segment
Desktop
Workstation
Release date
September 2014
July 2014
Bus support
PCI Express 3.0
-
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Recommended system power (PSU)
500 Watt
-
Supplementary power connectors
2x 6-pins
None
SLI options
+
-
Boost clock speed
1216 MHz
1124 MHz
Core clock speed
1064 MHz
1058 MHz
CUDA cores
2048
-
Floating-point performance
4,981 gflops
863.2 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
5,200 million
1,870 million
Pipelines / CUDA cores
2048
384
Power consumption (TDP)
165 Watt
41 Watt
Texture fill rate
144 billion/sec
26.98
Memory type
GDDR5
128 Bit
Maximum RAM amount
4 GB
2 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
7.0 GB/s
1800 MHz
Memory bandwidth
224 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
-
VGA аnalog display support
+
-
DisplayPort Multimode (DP++) support
+
-
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
-
+
BatteryBoost
+
-
GameStream
+
-
GameWorks
+
-
GeForce ShadowPlay
+
-
GPU Boost
2.0
-
H.264, VC1, MPEG2 1080p video decoder
+
-
Mosaic
-
+
nView Desktop Management
-
+
Optimus
+
-