Radeon HD 7790 and Quadro K620 - video card comparison
Passmark - benchmark score Radeon HD 7790 vs Quadro K620
Radeon HD 7790
3183
Quadro K620
2297
Radeon HD 7790
Quadro K620
Architecture
GCN 2.0 (2013−2017)
Maxwell (2014−2018)
GPU code name
Bonaire
GM107
Market segment
Desktop
Workstation
Release date
March 2013
July 2014
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Supplementary power connectors
1x 6-pin
None
Boost clock speed
-
1124 MHz
Core clock speed
1000 MHz
1058 MHz
Floating-point performance
1,792 gflops
863.2 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
2,080 million
1,870 million
Pipelines / CUDA cores
896
384
Power consumption (TDP)
85 Watt
41 Watt
Texture fill rate
56.00
26.98
Memory type
GDDR5
128 Bit
Maximum RAM amount
1 GB
2 GB
Memory bus width
128 Bit
128 Bit
Memory clock speed
6000 MHz
1800 MHz
Memory bandwidth
96 GB/s
Up to 29 GB/s
Display Connectors
1x DVI, 1x HDMI, 2x mini-DisplayPort
DVI-I DP
Number of simultaneous displays
-
4
HDMI
+
-
DirectX
12 (12_0)
12
CUDA
-
5.0
OpenCL
2.0
1.2
OpenGL
4.6
4.5
Shader Model
6.3
5
Vulkan
1.2.131
+
3D Vision Pro
-
+
Mosaic
-
+
nView Desktop Management
-
+