GeForce RTX 3080 and GeForce 6800 Ultra DDL - video card comparison
GeForce RTX 3080
GeForce 6800 Ultra DDL
Architecture
Ampere (2020−2022)
Curie (2003−2013)
GPU code name
Ampere GA102
NV40
Market segment
Desktop
Desktop
Release date
September 2020
April 2004
Interface
PCIe 4.0 x16
AGP Pro 8x
Supplementary power connectors
1x 12-pin
None
Boost clock speed
1710 MHz
-
Core clock speed
1450 MHz
400 MHz
Manufacturing process technology
8 nm
130 nm
Number of transistors
28,300 million
222 million
Pipelines / CUDA cores
8704
-
Power consumption (TDP)
320 Watt
100 Watt
Texture fill rate
465.1
6.400
Memory type
GDDR6X
GDDR3
Maximum RAM amount
10 GB
256 MB
Memory bus width
320 Bit
256 Bit
Memory clock speed
19000 MHz
1100 MHz
Memory bandwidth
760.3 GB/s
35.2 GB/s
Shared memory
-
-
Display Connectors
1x HDMI, 3x DisplayPort
2x DVI
HDMI
+
-
DirectX
12 Ultimate (12_2)
9.0c (9_3)
CUDA
8.5
-
OpenCL
2.0
N/A
OpenGL
4.6
2.1
Shader Model
6.5
3.0
Vulkan
1.2
N/A