HD Graphics 520 and GeForce GT 640M LE - video card comparison
Passmark - benchmark score HD Graphics 520 vs GeForce GT 640M LE
HD Graphics 520
856
GeForce GT 640M LE
720
HD Graphics 520
GeForce GT 640M LE
Architecture
Gen. 9 Skylake (2015−2016)
Fermi / Kepler (2012)
GPU code name
Skylake GT2
N13P-LP
Market segment
Laptop
Laptop
Release date
September 2015
March 2012
Bus support
-
PCI Express 2.0, PCI Express 3.0
Interface
PCIe 3.0 x1
PCIe 2.0 x16
Boost clock speed
1050 MHz
-
Core clock speed
300 MHz
Up to 500 MHz
CUDA cores
-
Up to 384
Floating-point performance
-
384.0 gflops
Manufacturing process technology
14 nm
28 nm
Number of transistors
189 million
585 million
Pipelines / CUDA cores
24
384
Power consumption (TDP)
15 Watt
20 Watt
Texture fill rate
25.20
Up to 16.0 billion/sec
Memory type
DDR3L/LPDDR3/DDR4
DDR3\DDR5
Maximum RAM amount
32 GB
2 GB
Memory bus width
64/128 Bit
128bit
Memory clock speed
System Shared
1800 - 4000 MHz
Memory bandwidth
-
Up to 28.8 GB/s
Shared memory
+
-
Display Connectors
No outputs
No outputs
HDMI
-
+
HDCP
-
+
Maximum VGA resolution
-
Up to 2048x1536
DirectX
12 (12_1)
12 API
CUDA
-
+
OpenCL
2.1
1.1
OpenGL
4.6
4.5
Shader Model
6.4
5.1
Vulkan
+
N/A
3D Blu-Ray
-
+
Optimus
-
+
Quick Sync
+
-