Radeon HD 6990 and GeForce RTX 3080 - video card comparison
Passmark - benchmark score Radeon HD 6990 vs GeForce RTX 3080
Radeon HD 6990
3103
GeForce RTX 3080
26043
Radeon HD 6990
GeForce RTX 3080
Architecture
TeraScale 3 (2010−2013)
Ampere (2020−2022)
GPU code name
Antilles
Ampere GA102
Market segment
Desktop
Desktop
Release date
March 2011
September 2020
Interface
PCIe 2.0 x16
PCIe 4.0 x16
Supplementary power connectors
2x 8-pin
1x 12-pin
Boost clock speed
-
1710 MHz
Core clock speed
830 MHz
1450 MHz
Floating-point performance
2x 2,549.8 gflops
-
Manufacturing process technology
40 nm
8 nm
Number of transistors
2,640 million
28,300 million
Pipelines / CUDA cores
1536
8704
Power consumption (TDP)
375 Watt
320 Watt
Texture fill rate
79.68
465.1
Memory type
GDDR5
GDDR6X
Maximum RAM amount
2 GB
10 GB
Memory bus width
256 Bit
320 Bit
Memory clock speed
5000 MHz
19000 MHz
Memory bandwidth
160.0 GB/s
760.3 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 4x mini-DisplayPort
1x HDMI, 3x DisplayPort
HDMI
-
+
DirectX
11.2 (11_0)
12 Ultimate (12_2)
CUDA
-
8.5
OpenCL
1.2
2.0
OpenGL
4.4
4.6
Shader Model
5.0
6.5
Vulkan
N/A
1.2