GeForce GTX 780M and Iris Plus Graphics 640 - video card comparison
Passmark - benchmark score GeForce GTX 780M vs Iris Plus Graphics 640
GeForce GTX 780M
3962
Iris Plus Graphics 640
1534
GeForce GTX 780M
Iris Plus Graphics 640
Architecture
Kepler (2012−2018)
Gen. 9.5 Kaby Lake (2015−2017)
GPU code name
N14E-GTX
Kaby Lake GT3e
Market segment
Laptop
Laptop
Release date
May 2013
January 2017
Bus support
PCI Express 3.0, PCI Express 2.0
-
Interface
MXM-B (3.0)
PCIe 3.0 x1
Supplementary power connectors
None
-
SLI options
+
-
Boost clock speed
797 MHz
1050 MHz
Core clock speed
823 MHz
300 MHz
CUDA cores
1536
-
Floating-point performance
2,448 gflops
-
Manufacturing process technology
28 nm
14 nm
Number of transistors
3,540 million
189 million
Pipelines / CUDA cores
1536
48
Power consumption (TDP)
122 Watt
15 Watt
Texture fill rate
102.0
52.80
Memory type
GDDR5
DDR3L/LPDDR3/DDR4
Maximum RAM amount
4 GB
32 GB
Memory bus width
256 Bit
64/128 Bit
Memory clock speed
2500 MHz
System Shared
Memory bandwidth
160.0 GB/s
-
Shared memory
-
+
Standard memory configuration
GDDR5
-
Display Connectors
No outputs
No outputs
eDP 1.2 signal support
Up to 3840x2160
-
LVDS signal support
Up to 1920x1200
-
VGA аnalog display support
Up to 2048x1536
-
DisplayPort Multimode (DP++) support
Up to 3840x2160
-
HDCP content protection
+
-
HDMI
+
-
7.1 channel HD audio on HDMI
+
-
DirectX
12 API
12 (12_1)
CUDA
+
-
OpenCL
1.1
2.1
OpenGL
4.5
4.6
Shader Model
5.1
6.4
Vulkan
1.1.126
1.1.103
3D Vision / 3DTV Play
+
-
Blu-Ray 3D Support
+
-
H.264, VC1, MPEG2 1080p video decoder
+
-
Optimus
+
-
Quick Sync
-
+
TrueHD and DTS-HD audio bitstreaming
+
-