GeForce 845M and HD Graphics 620 - video card comparison
Passmark - benchmark score GeForce 845M vs HD Graphics 620
GeForce 845M
1570
HD Graphics 620
963
GeForce 845M
HD Graphics 620
Architecture
Maxwell (2014−2018)
Gen. 9.5 Kaby Lake (2015−2017)
GPU code name
GM108
Kaby-Lake GT2
Market segment
Laptop
Laptop
Release date
March 2014
August 2016
Interface
PCIe 3.0 x8
PCIe 3.0 x1
Boost clock speed
1150 MHz
1050 MHz
Core clock speed
1071 MHz
300 MHz
Floating-point performance
883.7 gflops
403.2 gflops
Manufacturing process technology
28 nm
14 nm
Number of transistors
1,870 million
189 million
Pipelines / CUDA cores
384
24
Power consumption (TDP)
45 Watt
15 Watt
Texture fill rate
37.63
25.20
Memory type
DDR3, GDDR5
DDR3L/LPDDR3/LPDDR4
Maximum RAM amount
2 GB
32 GB
Memory bus width
64/128 Bit
64/128 Bit
Memory clock speed
2000 - 5000 MHz
System Shared
Memory bandwidth
40.1 GB/s
-
Shared memory
-
+
Display Connectors
No outputs
No outputs
DirectX
12 (11_0)
12 (12_1)
CUDA
+
-
OpenCL
1.2
2.1
OpenGL
4.6
4.6
Shader Model
5.1
6.4
Vulkan
1.1.126
+
Optimus
+
-
Quick Sync
-
+