HD Graphics 620 and Radeon HD 3870 - video card comparison
Passmark - benchmark score HD Graphics 620 vs Radeon HD 3870
HD Graphics 620
963
Radeon HD 3870
572
HD Graphics 620
Radeon HD 3870
Architecture
Gen. 9.5 Kaby Lake (2015−2017)
TeraScale (2005−2013)
GPU code name
Kaby-Lake GT2
RV670
Market segment
Laptop
Desktop
Release date
August 2016
November 2007
Interface
PCIe 3.0 x1
PCIe 2.0 x16
Supplementary power connectors
-
1x 6-pin
Boost clock speed
1050 MHz
-
Core clock speed
300 MHz
777 MHz
Floating-point performance
403.2 gflops
497.3 gflops
Manufacturing process technology
14 nm
55 nm
Number of transistors
189 million
666 million
Pipelines / CUDA cores
24
320
Power consumption (TDP)
15 Watt
106 Watt
Texture fill rate
25.20
12.43
Memory type
DDR3L/LPDDR3/LPDDR4
GDDR4
Maximum RAM amount
32 GB
512 MB
Memory bus width
64/128 Bit
256 Bit
Memory clock speed
System Shared
2252 MHz
Memory bandwidth
-
72.06 GB/s
Shared memory
+
-
Display Connectors
No outputs
2x DVI, 1x S-Video
DirectX
12 (12_1)
10.1 (10_1)
OpenCL
2.1
N/A
OpenGL
4.6
3.3
Shader Model
6.4
4.1
Vulkan
+
N/A
Quick Sync
+
-