FirePro M7740 and Quadro K620M - video card comparison
FirePro M7740
Quadro K620M
Architecture
Terascale 1 (2008−2010)
Maxwell (2014−2018)
GPU code name
RV740
GM108
Market segment
Mobile workstation
Mobile workstation
Release date
August 2009
March 2015
Interface
PCIe 2.0 x16
MXM-A (3.0)
Supplementary power connectors
None
None
Boost clock speed
-
1124 MHz
Core clock speed
650 MHz
1029 MHz
Floating-point performance
832.0 gflops
863.2 gflops
Manufacturing process technology
40 nm
28 nm
Number of transistors
826 million
-
Pipelines / CUDA cores
640
384
Power consumption (TDP)
60 Watt
30 Watt
Texture fill rate
20.80
17.98
Memory type
GDDR5
DDR3
Maximum RAM amount
1 GB
2 GB
Memory bus width
128 Bit
64 Bit
Memory clock speed
1000 MHz
2000 MHz
Memory bandwidth
54.14 GB/s
14.4 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
Display Port
-
1.2
DirectX
10.1 (10_1)
12
CUDA
-
+
OpenCL
1.1
1.2
OpenGL
3.3
4.5
Shader Model
4.1
5
Vulkan
N/A
1.1.126
nView Display Management
-
+
Optimus
-
+