
GeForce RTX 3090 and Tesla K20X - video card comparison
GeForce RTX 3090
Tesla K20X
Architecture
Ampere (2020−2022)
Kepler (2012−2018)
GPU code name
Ampere GA102
GK110
Market segment
Desktop
Workstation
Release date
September 2020
November 2012
Interface
PCIe 4.0 x16
PCIe 3.0 x16
Supplementary power connectors
1x 12-pin
1x 6-pin + 1x 8-pin
Boost clock speed
1700 MHz
-
Core clock speed
1400 MHz
732 MHz
Floating-point performance
-
3,935 gflops
Manufacturing process technology
8 nm
28 nm
Number of transistors
28,300 million
7,080 million
Pipelines / CUDA cores
10496
2688
Power consumption (TDP)
350 Watt
235 Watt
Texture fill rate
556.0
164.0
Memory type
GDDR6X
GDDR5
Maximum RAM amount
24 GB
6 GB
Memory bus width
384 Bit
384 Bit
Memory clock speed
19500 MHz
5200 MHz
Memory bandwidth
936.2 GB/s
249.6 GB/s
Shared memory
-
-
Display Connectors
1x HDMI, 3x DisplayPort
No outputs
HDMI
+
-
DirectX
12 Ultimate (12_2)
12 (11_0)
CUDA
8.5
3.5
OpenCL
2.0
1.2
OpenGL
4.6
4.6
Shader Model
6.5
5.1
Vulkan
1.2
1.1.126