Radeon HD 8670M and GeForce GTX 745 OEM - video card comparison
Radeon HD 8670M
GeForce GTX 745 OEM
Architecture
GCN (2011−2017)
Maxwell (2014−2018)
GPU code name
Sun
GM107
Market segment
Laptop
Desktop
Release date
November 2012
February 2014
Interface
PCIe 3.0 x8
PCIe 3.0 x16
Supplementary power connectors
-
None
Boost clock speed
825 MHz
-
Core clock speed
775 MHz
1033 MHz
Floating-point performance
633.6 gflops
793.3 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
690 million
1,870 million
Pipelines / CUDA cores
384
384
Power consumption (TDP)
-
55 Watt
Texture fill rate
19.50
24.79
Memory type
DDR3
DDR3
Maximum RAM amount
2 GB
4 GB
Memory bus width
64 Bit
128 Bit
Memory clock speed
2000 MHz
1800 MHz
Memory bandwidth
16 GB/s
28.8 GB/s
Shared memory
-
-
Display Connectors
No outputs
1x DVI, 1x HDMI, 1x VGA
HDMI
-
+
DirectX
12 (11_1)
12 (11_0)
CUDA
-
5.0
OpenCL
1.2
1.2
OpenGL
4.6
4.6
Shader Model
5.1
5.1
Vulkan
1.2.131
1.1.126