HD Graphics 4400 and GeForce GT 640M Mac Edition - video card comparison
HD Graphics 4400
GeForce GT 640M Mac Edition
Architecture
Gen. 7.5 Haswell (2012−2013)
Kepler (2012−2018)
GPU code name
Haswell GT2
GK107
Market segment
Laptop
Desktop
Release date
June 2013
February 2013
Interface
PCIe 1.0 x16
PCIe 3.0 x16
Boost clock speed
1100 MHz
-
Core clock speed
200 MHz
745 MHz
Floating-point performance
46 gflops
572.2 gflops
Manufacturing process technology
22 nm
28 nm
Number of transistors
392 million
1,270 million
Pipelines / CUDA cores
20
384
Power consumption (TDP)
20 Watt
32 Watt
Texture fill rate
22.00
23.84
Memory type
System Shared
GDDR5
Maximum RAM amount
System Shared
512 MB
Memory bus width
64/128 Bit
64 Bit
Memory clock speed
System Shared
5000 MHz
Memory bandwidth
-
40 GB/s
Shared memory
+
-
Display Connectors
No outputs
No outputs
DirectX
12 (11_1)
12 (11_0)
CUDA
-
3.0
OpenCL
1.2
1.2
OpenGL
4.3
4.6
Shader Model
5.1
5.1
Vulkan
1.1.80
1.1.126
Quick Sync
+
-