GeForce GTX 950 and GeForce GT 620 - video card comparison
Passmark - benchmark score GeForce GTX 950 vs GeForce GT 620
GeForce GTX 950
5498
GeForce GT 620
388
GeForce GTX 950
GeForce GT 620
Architecture
Maxwell (2014−2018)
Fermi (2010−2014)
GPU code name
GM206
GF108
Market segment
Desktop
Desktop
Release date
August 2015
May 2012
Bus support
PCI Express 3.0
PCI Express 2.0
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Recommended system power (PSU)
350 Watt
-
Supplementary power connectors
1x 6-pins
None
SLI options
+
-
Boost clock speed
1188 MHz
-
Core clock speed
1024 MHz
700 MHz
CUDA cores
768
96
Floating-point performance
1,825 gflops
268.8 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
2,940 million
585 million
Pipelines / CUDA cores
768
96
Power consumption (TDP)
90 Watt
49 Watt
Maximum GPU temperature
-
98 °C
Texture fill rate
49.2 billion/sec
11.2 billion/sec
Memory type
GDDR5
DDR3
Maximum RAM amount
2 GB
1 GB
Memory bus width
128 Bit
64 Bit
Memory clock speed
6.6 GB/s
1.8 GB/s
Memory bandwidth
105.6 GB/s
14.4 GB/s
Shared memory
-
-
Display Connectors
Dual Link DVI-I, HDMI 2.0, 3x DisplayPort 1.2
Dual Link DVI-I, HDMI, VGA
Multi monitor support
4 displays
+
HDMI
+
+
HDCP
+
+
Maximum VGA resolution
2048x1536
2048x1536
G-SYNC support
+
-
Audio input for HDMI
Internal
Internal
DirectX
12 (12_1)
12 (11_0)
CUDA
+
+
OpenCL
1.2
1.1
OpenGL
4.5
4.2
Shader Model
6.4
5.1
Vulkan
1.1.126
N/A
3D Blu-Ray
-
+
GameStream
+
-
GameWorks
+
-
GeForce ShadowPlay
+
-
GPU Boost
2.0
-