Iris Pro Graphics 580 and GeForce GT 650M Mac Edition - video card comparison
Iris Pro Graphics 580
GeForce GT 650M Mac Edition
Architecture
Gen. 9 Skylake (2015−2016)
Kepler (2012−2018)
GPU code name
Skylake GT4e
GK107
Market segment
Laptop
Desktop
Release date
September 2015
July 2012
Interface
PCIe 3.0 x1
PCIe 3.0 x16
Boost clock speed
1050 MHz
-
Core clock speed
350 MHz
900 MHz
Floating-point performance
-
691.2 gflops
Manufacturing process technology
14 nm
28 nm
Number of transistors
189 million
1,270 million
Pipelines / CUDA cores
72
384
Power consumption (TDP)
15 Watt
45 Watt
Texture fill rate
72.00
28.80
Memory type
DDR3L/LPDDR3/DDR4
GDDR5
Maximum RAM amount
64 GB
512 MB
Memory bus width
eDRAM + 64/128 Bit
128 Bit
Memory clock speed
System Shared
5016 MHz
Memory bandwidth
-
80.26 GB/s
Shared memory
+
-
Display Connectors
No outputs
No outputs
DirectX
12 (12_1)
12 (11_0)
CUDA
-
3.0
OpenCL
2.1
1.2
OpenGL
4.6
4.6
Shader Model
6.4
5.1
Vulkan
1.1.97
1.1.126
Quick Sync
+
-