GeForce GTX 970 and Quadro K620 - video card comparison
Passmark - benchmark score GeForce GTX 970 vs Quadro K620
GeForce GTX 970
9932
Quadro K620
2297
GeForce GTX 970
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
1178 MHz
1124 MHz
Core clock speed
1050 MHz
1058 MHz
CUDA cores
1664
-
Floating-point performance
3,920 gflops
863.2 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
5,200 million
1,870 million
Pipelines / CUDA cores
1664
384
Power consumption (TDP)
145 Watt
41 Watt
Maximum GPU temperature
98 °C
-
Texture fill rate
109 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
-
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
4.4
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
-
+