HD Graphics 620 and Radeon HD 2900 GT - video card comparison
Passmark - benchmark score HD Graphics 620 vs Radeon HD 2900 GT
HD Graphics 620
963
Radeon HD 2900 GT
301
HD Graphics 620
Radeon HD 2900 GT
Architecture
Gen. 9.5 Kaby Lake (2015−2017)
TeraScale (2005−2013)
GPU code name
Kaby-Lake GT2
R600
Market segment
Laptop
Desktop
Release date
August 2016
November 2007
Interface
PCIe 3.0 x1
PCIe 1.0 x16
Supplementary power connectors
-
1x 8-pin
Boost clock speed
1050 MHz
-
Core clock speed
300 MHz
601 MHz
Floating-point performance
403.2 gflops
288.48 gflops
Manufacturing process technology
14 nm
80 nm
Number of transistors
189 million
720 million
Pipelines / CUDA cores
24
240
Power consumption (TDP)
15 Watt
150 Watt
Texture fill rate
25.20
7.212
Memory type
DDR3L/LPDDR3/LPDDR4
GDDR3
Maximum RAM amount
32 GB
256 MB
Memory bus width
64/128 Bit
256 Bit
Memory clock speed
System Shared
1600 MHz
Memory bandwidth
-
51.2 GB/s
Shared memory
+
-
Display Connectors
No outputs
2x DVI, 1x S-Video
DirectX
12 (12_1)
10.0 (10_0)
OpenCL
2.1
N/A
OpenGL
4.6
3.3
Shader Model
6.4
4.0
Vulkan
+
N/A
Quick Sync
+
-