GeForce RTX 3080 and GeForce GTX 745 OEM - video card comparison
GeForce RTX 3080
GeForce GTX 745 OEM
Architecture
Ampere (2020−2022)
Maxwell (2014−2018)
GPU code name
Ampere GA102
GM107
Market segment
Desktop
Desktop
Release date
September 2020
February 2014
Interface
PCIe 4.0 x16
PCIe 3.0 x16
Supplementary power connectors
1x 12-pin
None
Boost clock speed
1710 MHz
-
Core clock speed
1450 MHz
1033 MHz
Floating-point performance
-
793.3 gflops
Manufacturing process technology
8 nm
28 nm
Number of transistors
28,300 million
1,870 million
Pipelines / CUDA cores
8704
384
Power consumption (TDP)
320 Watt
55 Watt
Texture fill rate
465.1
24.79
Memory type
GDDR6X
DDR3
Maximum RAM amount
10 GB
4 GB
Memory bus width
320 Bit
128 Bit
Memory clock speed
19000 MHz
1800 MHz
Memory bandwidth
760.3 GB/s
28.8 GB/s
Shared memory
-
-
Display Connectors
1x HDMI, 3x DisplayPort
1x DVI, 1x HDMI, 1x VGA
HDMI
+
+
DirectX
12 Ultimate (12_2)
12 (11_0)
CUDA
8.5
5.0
OpenCL
2.0
1.2
OpenGL
4.6
4.6
Shader Model
6.5
5.1
Vulkan
1.2
1.1.126