GeForce GTX 745 OEM and Radeon HD 4650 - video card comparison
GeForce GTX 745 OEM
Radeon HD 4650
Architecture
Maxwell (2014−2018)
TeraScale (2005−2013)
GPU code name
GM107
RV730
Market segment
Desktop
Desktop
Release date
February 2014
September 2008
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Supplementary power connectors
None
-
Core clock speed
1033 MHz
600 MHz
Floating-point performance
793.3 gflops
384.0 gflops
Manufacturing process technology
28 nm
55 nm
Number of transistors
1,870 million
514 million
Pipelines / CUDA cores
384
320
Power consumption (TDP)
55 Watt
48 Watt
Texture fill rate
24.79
19.20
Memory type
DDR3
GDDR3
Maximum RAM amount
4 GB
256 MB
Memory bus width
128 Bit
128 Bit
Memory clock speed
1800 MHz
1400 MHz
Memory bandwidth
28.8 GB/s
22.4 GB/s
Display Connectors
1x DVI, 1x HDMI, 1x VGA
2x DVI, 1x S-Video
HDMI
+
-
DirectX
12 (11_0)
10.1 (10_1)
CUDA
5.0
-
OpenCL
1.2
1.1
OpenGL
4.6
3.3
Shader Model
5.1
4.1
Vulkan
1.1.126
N/A