
Iris Plus Graphics 650 and Mobility Radeon HD 3870 X2 - video card comparison
Iris Plus Graphics 650
Mobility Radeon HD 3870 X2
Architecture
Gen. 9.5 Kaby Lake (2015−2017)
RV6xx (2007−2010)
GPU code name
Kaby Lake GT3e
M88-XT CF
Market segment
Laptop
Laptop
Release date
January 2017
September 2008
Interface
PCIe 3.0 x1
PCIe 2.0 x16
Boost clock speed
1100 MHz
-
Core clock speed
300 MHz
660 MHz
Floating-point performance
883 gflops
2x 422.4 gflops
Manufacturing process technology
14 nm
55 nm
Number of transistors
189 million
666 million
Pipelines / CUDA cores
48
640
Power consumption (TDP)
15 Watt
110 Watt
Texture fill rate
55.20
10.56
Memory type
DDR3L/LPDDR3/DDR4
GDDR3
Maximum RAM amount
32 GB
512 MB
Memory bus width
64/128 Bit
256 Bit
Memory clock speed
System Shared
850 MHz
Memory bandwidth
-
54.4 GB/s
Shared memory
+
-
Display Connectors
No outputs
No outputs
DirectX
12 (12_1)
10.1 (10_1)
OpenCL
2.1
N/A
OpenGL
4.6
3.3
Shader Model
6.4
4.1
Vulkan
1.1.103
N/A
Quick Sync
+
-