GeForce RTX 4090 and Radeon Graphics 128SP - video card comparison
GeForce RTX 4090
Radeon Graphics 128SP
Architecture
Ada Lovelace
RDNA 2.0 (2020−2022)
GPU code name
AD102-300-A1
Raphael
Market segment
Desktop
Desktop
Release date
September 2022
September 2022
Interface
PCIe 4.0 x16
PCIe 4.0 x8
Supplementary power connectors
1x 16-pin
None
Boost clock speed
2520 MHz
2200 MHz
Core clock speed
2235 MHz
-
Manufacturing process technology
5 nm
5 nm
Number of transistors
76,300 million
3,400 million
Pipelines / CUDA cores
16384
128
Power consumption (TDP)
450 Watt
15 Watt
Texture fill rate
1,290
17.60
Memory type
GDDR6X
System Shared
Maximum RAM amount
24 GB
System Shared
Memory bus width
384 Bit
System Shared
Memory clock speed
21000 MHz
System Shared
Memory bandwidth
1,008 GB/s
-
Shared memory
-
-
Display Connectors
1x HDMI 2.1, 3x DisplayPort 1.4a
Motherboard Dependent
HDMI
+
-
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
CUDA
8.9
-
OpenCL
3.0
2.0
OpenGL
4.6
4.6
Shader Model
6.6
6.7
Vulkan
1.3
1.3