GeForce GTX 780 6 GB and GeForce RTX 3080 - video card comparison
GeForce GTX 780 6 GB
GeForce RTX 3080
Architecture
Kepler (2012−2018)
Ampere (2020−2022)
GPU code name
GK110B
Ampere GA102
Market segment
Desktop
Desktop
Release date
September 2013
September 2020
Interface
PCIe 3.0 x16
PCIe 4.0 x16
Supplementary power connectors
1x 6-pin + 1x 8-pin
1x 12-pin
Boost clock speed
902 MHz
1710 MHz
Core clock speed
863 MHz
1450 MHz
Floating-point performance
4,156 gflops
-
Manufacturing process technology
28 nm
8 nm
Number of transistors
7,080 million
28,300 million
Pipelines / CUDA cores
2304
8704
Power consumption (TDP)
250 Watt
320 Watt
Texture fill rate
173.2
465.1
Memory type
GDDR5
GDDR6X
Maximum RAM amount
6 GB
10 GB
Memory bus width
384 Bit
320 Bit
Memory clock speed
6008 MHz
19000 MHz
Memory bandwidth
288.4 GB/s
760.3 GB/s
Shared memory
-
-
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
1x HDMI, 3x DisplayPort
HDMI
+
+
DirectX
12 (11_1)
12 Ultimate (12_2)
CUDA
3.5
8.5
OpenCL
1.2
2.0
OpenGL
4.6
4.6
Shader Model
5.1
6.5
Vulkan
1.1.126
1.2