Radeon HD 7870 and Quadro P620 - video card comparison
Passmark - benchmark score Radeon HD 7870 vs Quadro P620
Radeon HD 7870
4779
Quadro P620
3742
Radeon HD 7870
Quadro P620
Architecture
GCN (2011−2017)
Pascal (2016−2021)
GPU code name
Pitcairn XT
GP107
Market segment
Desktop
Workstation
Release date
March 2012
May 2019
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
2x 6-pin
None
Boost clock speed
-
1442 MHz
Core clock speed
1000 MHz
1177 MHz
Floating-point performance
-
1,490 gflops
Manufacturing process technology
28 nm
14 nm
Number of transistors
2800 Million
3,300 million
Pipelines / CUDA cores
1280
512
Power consumption (TDP)
175 Watt
25 Watt
Texture fill rate
80.00
43.33
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
2 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
4800 MHz
6000 MHz
Memory bandwidth
153.6 GB/s
80.13 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 2x mini-DisplayPort
4x mini-DisplayPort
Eyefinity
+
-
HDMI
+
-
DirectX
12 (11_1)
12 (12_1)
CUDA
-
6.1
OpenCL
1.2
1.2
OpenGL
4.6
4.6
Shader Model
5.1
6.4
Vulkan
1.2.131
1.2.131