GeForce GTX 645 OEM and Iris Xe Graphics MAX - video card comparison
GeForce GTX 645 OEM
Iris Xe Graphics MAX
Architecture
Kepler (2012−2018)
Generation 12.1 (2020−2021)
GPU code name
GK106
DG1
Market segment
Desktop
Desktop
Release date
April 2013
October 2020
Interface
PCIe 3.0 x16
PCIe 4.0 x4
Supplementary power connectors
None
-
Boost clock speed
-
1650 MHz
Core clock speed
824 MHz
-
Floating-point performance
949.2 gflops
-
Manufacturing process technology
28 nm
10 nm
Number of transistors
2,540 million
-
Pipelines / CUDA cores
576
768
Power consumption (TDP)
65 Watt
25 Watt
Texture fill rate
39.55
79.20
Memory type
GDDR5
LPDDR4X
Maximum RAM amount
1 GB
4 GB
Memory bus width
128 Bit
128 Bit
Memory clock speed
4000 MHz
4.3 GB/s
Memory bandwidth
64 GB/s
68.26 GB/s
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
No outputs
HDMI
+
-
DirectX
12 (11_0)
12 (12_1)
CUDA
3.0
-
OpenCL
1.2
3.0
OpenGL
4.6
4.6
Shader Model
5.1
6.4
Vulkan
1.1.126
1.2