Iris Graphics 540 and Radeon HD 8770M - video card comparison
Iris Graphics 540
Radeon HD 8770M
Architecture
Gen. 9 Skylake (2015−2016)
GCN (2011−2017)
GPU code name
Skylake GT3e
Mars
Market segment
Laptop
Laptop
Release date
September 2015
November 2012
Interface
PCIe 3.0 x1
PCIe 3.0 x8
Boost clock speed
1050 MHz
825 MHz
Core clock speed
300 MHz
775 MHz
Floating-point performance
-
633.6 gflops
Manufacturing process technology
14 nm
28 nm
Number of transistors
189 million
950 million
Pipelines / CUDA cores
48
384
Power consumption (TDP)
15 Watt
-
Texture fill rate
50.40
19.80
Memory type
eDRAM
GDDR5
Maximum RAM amount
64 MB
2 GB
Memory bus width
eDRAM + 64/128 Bit
128 Bit
Memory clock speed
System Shared
4500 MHz
Memory bandwidth
-
72 GB/s
Shared memory
+
-
Display Connectors
No outputs
No outputs
DirectX
12 (12_1)
12 (11_1)
OpenCL
2.1
1.2
OpenGL
4.6
4.6
Shader Model
6.4
5.1
Vulkan
1.1.97
1.2.131
Quick Sync
+
-