Radeon HD 8870M and HD Graphics 620 - video card comparison
Passmark - benchmark score Radeon HD 8870M vs HD Graphics 620
Radeon HD 8870M
1687
HD Graphics 620
963
Radeon HD 8870M
HD Graphics 620
Architecture
GCN (2011−2017)
Gen. 9.5 Kaby Lake (2015−2017)
GPU code name
Venus
Kaby-Lake GT2
Market segment
Laptop
Laptop
Release date
December 2012
August 2016
Interface
PCIe 3.0 x16
PCIe 3.0 x1
Boost clock speed
775 MHz
1050 MHz
Core clock speed
725 MHz
300 MHz
Floating-point performance
992.0 gflops
403.2 gflops
Manufacturing process technology
28 nm
14 nm
Number of transistors
1,500 million
189 million
Pipelines / CUDA cores
640
24
Power consumption (TDP)
-
15 Watt
Texture fill rate
31.00
25.20
Memory type
GDDR5, DDR3
DDR3L/LPDDR3/LPDDR4
Maximum RAM amount
2 GB
32 GB
Memory bus width
128 Bit
64/128 Bit
Memory clock speed
4500 MHz
System Shared
Memory bandwidth
72 GB/s
-
Shared memory
-
+
Display Connectors
No outputs
No outputs
DirectX
12 (11_1)
12 (12_1)
OpenCL
1.2
2.1
OpenGL
4.6
4.6
Shader Model
5.1
6.4
Vulkan
1.2.131
+
Quick Sync
-
+