Radeon HD 7870 and Quadro M620 - video card comparison
Passmark - benchmark score Radeon HD 7870 vs Quadro M620
Radeon HD 7870
4779
Quadro M620
2882
Radeon HD 7870
Quadro M620
Architecture
GCN (2011−2017)
Maxwell (2014−2018)
GPU code name
Pitcairn XT
GM107
Market segment
Desktop
Mobile workstation
Release date
March 2012
January 2017
Interface
PCIe 3.0 x16
MXM-A (3.0)
Supplementary power connectors
2x 6-pin
None
Boost clock speed
-
977 MHz
Core clock speed
1000 MHz
1018 MHz
Manufacturing process technology
28 nm
28 nm
Number of transistors
2800 Million
1,870 million
Pipelines / CUDA cores
1280
512
Power consumption (TDP)
175 Watt
30 Watt
Texture fill rate
80.00
31.26
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
2 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
4800 MHz
5012 MHz
Memory bandwidth
153.6 GB/s
80 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 2x mini-DisplayPort
No outputs
Display Port
-
1.2
Eyefinity
+
-
HDMI
+
-
DirectX
12 (11_1)
12
CUDA
-
5.0
OpenCL
1.2
1.2
OpenGL
4.6
4.5
Shader Model
5.1
5.0
Vulkan
1.2.131
1.1.126
3D Stereo
-
+
Mosaic
-
+
nView Display Management
-
+
Optimus
-
+