Radeon R9 255 OEM and GeForce RTX 4090 - video card comparison
Radeon R9 255 OEM
GeForce RTX 4090
Architecture
GCN 1.0 (2012−2020)
Ada Lovelace
GPU code name
Cape Verde
AD102-300-A1
Market segment
Desktop
Desktop
Release date
December 2013
September 2022
Interface
PCIe 3.0 x16
PCIe 4.0 x16
Supplementary power connectors
1x 6-pin
1x 16-pin
Boost clock speed
930 MHz
2520 MHz
Core clock speed
900 MHz
2235 MHz
Floating-point performance
952.3 gflops
-
Manufacturing process technology
28 nm
5 nm
Number of transistors
1,500 million
76,300 million
Pipelines / CUDA cores
512
16384
Power consumption (TDP)
65 Watt
450 Watt
Texture fill rate
29.76
1,290
Memory type
GDDR5
GDDR6X
Maximum RAM amount
2 GB
24 GB
Memory bus width
128 Bit
384 Bit
Memory clock speed
4600 MHz
21000 MHz
Memory bandwidth
73.6 GB/s
1,008 GB/s
Shared memory
-
-
Display Connectors
No outputs
1x HDMI 2.1, 3x DisplayPort 1.4a
HDMI
-
+
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
6.6
Vulkan
1.2.131
1.3