
Radeon Sky 900 and RTX 4000 Ada Generation - video card comparison
Radeon Sky 900
RTX 4000 Ada Generation
Architecture
GCN 1.0 (2012−2020)
Ada Lovelace
GPU code name
Tahiti
AD104
Market segment
Desktop
Desktop
Release date
March 2013
August 2023
Bus support
PCIe 3.0
-
Interface
PCIe 3.0 x16
PCIe 4.0 x16
Supplementary power connectors
2x 8-pin
1x 16-pin
Boost clock speed
950 MHz
2175 MHz
Core clock speed
825 MHz
-
Floating-point performance
2x 3,405 gflops
-
Manufacturing process technology
28 nm
5 nm
Number of transistors
4,313 million
35,800 million
Pipelines / CUDA cores
3584
6144
Power consumption (TDP)
300 Watt
130 Watt
Texture fill rate
106.4
417.6
Memory type
GDDR5
GDDR6
Maximum RAM amount
6 GB
20 GB
Memory bus width
384 Bit
160 Bit
Memory clock speed
5000 MHz
14 GB/s
Memory bandwidth
480 GB/s
280.0 GB/s
Display Connectors
1x DVI, 1x mini-DisplayPort
4x mini-DisplayPort 1.4a
Dual-link DVI support
1
-
DirectX
12 (11_1)
12 Ultimate (12_2)
CUDA
-
8.9
OpenCL
1.2
3.0
OpenGL
4.6
4.6
Shader Model
5.1
6.7
Vulkan
1.2.131
1.3