GeForce GT 640 and Iris Graphics 6100 - video card comparison
Passmark - benchmark score GeForce GT 640 vs Iris Graphics 6100
GeForce GT 640
1209
Iris Graphics 6100
922
GeForce GT 640
Iris Graphics 6100
Architecture
Kepler (2012−2018)
Gen. 8 Broadwell (2014−2015)
GPU code name
GK107
Broadwell GT3
Market segment
Desktop
Laptop
Release date
June 2012
January 2015
Interface
PCIe 3.0 x16
PCIe 2.0 x1
Supplementary power connectors
None
None
Boost clock speed
-
1100 MHz
Core clock speed
902 MHz
300 MHz
Floating-point performance
692.7 gflops
-
Manufacturing process technology
28 nm
14 nm
Number of transistors
1,270 million
189 million
Pipelines / CUDA cores
384
48
Power consumption (TDP)
65 Watt
28 Watt
Texture fill rate
28.86
52.80
Memory type
DDR3
System Shared
Maximum RAM amount
2 GB
System Shared
Memory bus width
128 Bit
64/128 Bit
Memory clock speed
1782 MHz
System Shared
Memory bandwidth
28.51 GB/s
-
Shared memory
-
+
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
No outputs
HDMI
+
-
DirectX
12 (11_0)
12 (11_1)
CUDA
3.0
-
OpenCL
1.2
2.0
OpenGL
4.6
4.4
Shader Model
5.1
5.1
Vulkan
1.1.126
1.1.80
Quick Sync
-
+