Radeon R9 285 and Quadro K620 - video card comparison
Passmark - benchmark score Radeon R9 285 vs Quadro K620
Radeon R9 285
6880
Quadro K620
2297
Radeon R9 285
Quadro K620
Architecture
GCN 3.0 (2014−2017)
Maxwell (2014−2018)
GPU code name
Tonga
GM107
Market segment
Desktop
Workstation
Release date
September 2014
July 2014
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Supplementary power connectors
2x 6-pin
None
Boost clock speed
-
1124 MHz
Core clock speed
918 MHz
1058 MHz
Floating-point performance
3,290 gflops
863.2 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
5,000 million
1,870 million
Pipelines / CUDA cores
1792
384
Power consumption (TDP)
190 Watt
41 Watt
Texture fill rate
102.8
26.98
Memory type
GDDR5
128 Bit
Maximum RAM amount
2 GB
2 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
5.5 GB/s
1800 MHz
Memory bandwidth
176.0 GB/s
Up to 29 GB/s
Display Connectors
2x DVI, 1x HDMI 1.4a, 1x DisplayPort 1.2
DVI-I DP
Number of simultaneous displays
-
4
HDMI
+
-
DirectX
12 (12_0)
12
CUDA
-
5.0
OpenCL
2.1
1.2
OpenGL
4.6
4.5
Shader Model
6.5
5
Vulkan
1.2.170
+
3D Vision Pro
-
+
Mosaic
-
+
nView Desktop Management
-
+