Quadro K620 and Radeon HD 8790M - video card comparison
Passmark - benchmark score Quadro K620 vs Radeon HD 8790M
Quadro K620
2297
Radeon HD 8790M
1344
Quadro K620
Radeon HD 8790M
Architecture
Maxwell (2014−2018)
GCN (2011−2017)
GPU code name
GM107
Mars XTX
Market segment
Workstation
Laptop
Release date
July 2014
November 2012
Interface
PCIe 2.0 x16
MXM-A (3.0)
Supplementary power connectors
None
None
Boost clock speed
1124 MHz
900 MHz
Core clock speed
1058 MHz
850 MHz
Floating-point performance
863.2 gflops
691.2 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
1,870 million
950 million
Pipelines / CUDA cores
384
384
Power consumption (TDP)
41 Watt
unknown
Texture fill rate
26.98
21.60
Memory type
128 Bit
GDDR5
Maximum RAM amount
2 GB
2 GB
Memory bus width
128 Bit
128 Bit
Memory clock speed
1800 MHz
4500 MHz
Memory bandwidth
Up to 29 GB/s
64 GB/s
Shared memory
-
-
Display Connectors
DVI-I DP
No outputs
Number of simultaneous displays
4
-
DirectX
12
12 (11_1)
CUDA
5.0
-
OpenCL
1.2
1.2
OpenGL
4.5
4.6
Shader Model
5
5.1
Vulkan
+
1.2.131
3D Vision Pro
+
-
Mosaic
+
-
nView Desktop Management
+
-