HD Graphics 4600 and GeForce GTX 645 OEM - video card comparison
HD Graphics 4600
GeForce GTX 645 OEM
Architecture
Gen. 7.5 Haswell (2012−2013)
Kepler (2012−2018)
GPU code name
Haswell GT2
GK106
Market segment
Laptop
Desktop
Release date
June 2013
April 2013
Interface
PCIe 1.0 x16
PCIe 3.0 x16
Supplementary power connectors
-
None
Boost clock speed
1350 MHz
-
Core clock speed
200 MHz
824 MHz
Floating-point performance
50 gflops
949.2 gflops
Manufacturing process technology
22 nm
28 nm
Number of transistors
392 million
2,540 million
Pipelines / CUDA cores
20
576
Power consumption (TDP)
45 Watt
65 Watt
Texture fill rate
27.00
39.55
Memory type
System Shared
GDDR5
Maximum RAM amount
System Shared
1 GB
Memory bus width
64/128 Bit
128 Bit
Memory clock speed
System Shared
4000 MHz
Memory bandwidth
-
64 GB/s
Shared memory
+
-
Display Connectors
No outputs
1x DVI, 1x HDMI, 1x DisplayPort
HDMI
-
+
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
+
-