Mobility Radeon HD 4870 X2 and HD Graphics 505 - video card comparison
Mobility Radeon HD 4870 X2
HD Graphics 505
Architecture
Terascale 1 (2008−2010)
Gen. 9 Apollo Lake (2016−2017)
GPU code name
M98-XT
Apollo Lake
Market segment
Laptop
Laptop
Release date
January 2009
September 2016
Interface
PCIe 2.0 x16
PCIe 3.0 x1
Boost clock speed
-
750 MHz
Core clock speed
550 MHz
300 MHz
Floating-point performance
2x 880.0 gflops
230.4 gflops
Manufacturing process technology
55 nm
14 nm
Number of transistors
956 million
189 million
Pipelines / CUDA cores
1600
18
Power consumption (TDP)
-
10 Watt
Texture fill rate
22.00
11.70
Memory type
GDDR3, GDDR5
DDR3L/LPDDR3/LPDDR4
Maximum RAM amount
2 GB
8 GB
Memory bus width
256 Bit
64/128 Bit
Memory clock speed
888 MHz
System Shared
Memory bandwidth
89.6 GB/s
-
Shared memory
-
+
Display Connectors
No outputs
No outputs
DirectX
10.1 (10_1)
12 (12_1)
OpenCL
1.1
2.1
OpenGL
3.3
4.6
Shader Model
4.1
6.4
Vulkan
N/A
1.1.97
Quick Sync
-
+