Radeon R9 255 OEM and GeForce RTX 3090 - video card comparison
Radeon R9 255 OEM
GeForce RTX 3090
Architecture
GCN 1.0 (2012−2020)
Ampere (2020−2022)
GPU code name
Cape Verde
Ampere GA102
Market segment
Desktop
Desktop
Release date
December 2013
September 2020
Interface
PCIe 3.0 x16
PCIe 4.0 x16
Supplementary power connectors
1x 6-pin
1x 12-pin
Boost clock speed
930 MHz
1700 MHz
Core clock speed
900 MHz
1400 MHz
Floating-point performance
952.3 gflops
-
Manufacturing process technology
28 nm
8 nm
Number of transistors
1,500 million
28,300 million
Pipelines / CUDA cores
512
10496
Power consumption (TDP)
65 Watt
350 Watt
Texture fill rate
29.76
556.0
Memory type
GDDR5
GDDR6X
Maximum RAM amount
2 GB
24 GB
Memory bus width
128 Bit
384 Bit
Memory clock speed
4600 MHz
19500 MHz
Memory bandwidth
73.6 GB/s
936.2 GB/s
Shared memory
-
-
Display Connectors
No outputs
1x HDMI, 3x DisplayPort
HDMI
-
+
DirectX
12 (11_1)
12 Ultimate (12_2)
CUDA
-
8.5
OpenCL
1.2
2.0
OpenGL
4.6
4.6
Shader Model
5.1
6.5
Vulkan
1.2.131
1.2