Radeon RX Vega 64 and HD Graphics 620 - video card comparison
Passmark - benchmark score Radeon RX Vega 64 vs HD Graphics 620
Radeon RX Vega 64
14787
HD Graphics 620
963
Radeon RX Vega 64
HD Graphics 620
Architecture
Vega (2017−2021)
Gen. 9.5 Kaby Lake (2015−2017)
GPU code name
Vega
Kaby-Lake GT2
Market segment
Desktop
Laptop
Release date
August 2017
August 2016
Interface
PCIe 3.0 x16
PCIe 3.0 x1
Supplementary power connectors
2x 8-pin
-
Boost clock speed
1546 MHz
1050 MHz
Core clock speed
1630 MHz
300 MHz
Floating-point performance
13,353 gflops
403.2 gflops
Manufacturing process technology
14 nm
14 nm
Number of transistors
12,500 million
189 million
Pipelines / CUDA cores
4096
24
Power consumption (TDP)
295 Watt
15 Watt
Texture fill rate
395.8
25.20
Memory type
HBM2
DDR3L/LPDDR3/LPDDR4
Maximum RAM amount
8 GB
32 GB
Memory bus width
2048 Bit
64/128 Bit
Memory clock speed
945 MHz
System Shared
Memory bandwidth
483.8 GB/s
-
Shared memory
-
+
Display Connectors
1x HDMI, 3x DisplayPort
No outputs
HDMI
+
-
DirectX
12 (12_1)
12 (12_1)
OpenCL
2.0
2.1
OpenGL
4.6
4.6
Shader Model
6.4
6.4
Vulkan
1.1.125
+
Quick Sync
-
+