
HD Graphics 620 and Riva 128ZX - video card comparison
HD Graphics 620
Riva 128ZX
Architecture
Gen. 9.5 Kaby Lake (2015−2017)
-
GPU code name
Kaby-Lake GT2
NV3
Market segment
Laptop
Desktop
Release date
August 2016
February 1998
Interface
PCIe 3.0 x1
AGP 2x
Supplementary power connectors
-
None
Boost clock speed
1050 MHz
-
Core clock speed
300 MHz
100 MHz
Floating-point performance
403.2 gflops
-
Manufacturing process technology
14 nm
350 nm
Number of transistors
189 million
4 million
Pipelines / CUDA cores
24
-
Power consumption (TDP)
15 Watt
-
Texture fill rate
25.20
0.1
Memory type
DDR3L/LPDDR3/LPDDR4
SDR
Maximum RAM amount
32 GB
8 MB
Memory bus width
64/128 Bit
128 Bit
Memory clock speed
System Shared
100 MHz
Memory bandwidth
-
1.6 GB/s
Shared memory
+
-
Display Connectors
No outputs
1x VGA
DirectX
12 (12_1)
5.0
OpenCL
2.1
N/A
OpenGL
4.6
1.0
Shader Model
6.4
-
Vulkan
+
N/A
Quick Sync
+
-