Quadro K620 and GeForce 8800 GT - video card comparison
Passmark - benchmark score Quadro K620 vs GeForce 8800 GT
Quadro K620
2297
GeForce 8800 GT
495
Quadro K620
GeForce 8800 GT
Architecture
Maxwell (2014−2018)
Tesla (2006−2010)
GPU code name
GM107
G92
Market segment
Workstation
Desktop
Release date
July 2014
October 2007
Bus support
-
PCI-E 2.0
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
None
6-pin & 8-pin
SLI options
-
2-way
Boost clock speed
1124 MHz
-
Core clock speed
1058 MHz
600 MHz
CUDA cores
-
112
Floating-point performance
863.2 gflops
336.0 gflops
Manufacturing process technology
28 nm
65 nm
Number of transistors
1,870 million
754 million
Pipelines / CUDA cores
384
112
Power consumption (TDP)
41 Watt
105 Watt
Maximum GPU temperature
-
105 °C
Texture fill rate
26.98
33.6 billion/sec
Memory type
128 Bit
GDDR3
Maximum RAM amount
2 GB
512 MB
Memory bus width
128 Bit
256 Bit
Memory clock speed
1800 MHz
900 MHz
Memory bandwidth
Up to 29 GB/s
57.6 GB/s
Display Connectors
DVI-I DP
Dual Link DVIHDTV
Number of simultaneous displays
4
-
Multi monitor support
-
+
Maximum VGA resolution
-
2048x1536
Audio input for HDMI
-
S/PDIF
DirectX
12
11.1 (10_0)
CUDA
5.0
+
OpenCL
1.2
1.1
OpenGL
4.5
2.1
Shader Model
5
4.0
Vulkan
+
N/A
3D Vision Pro
+
-
High Dynamic-Range Lighting (HDRR)
-
128bit
Mosaic
+
-
nView Desktop Management
+
-