Radeon R9 255 OEM and GeForce RTX 2070 Max-Q Refresh - video card comparison
Radeon R9 255 OEM
GeForce RTX 2070 Max-Q Refresh
Architecture
GCN 1.0 (2012−2020)
Turing (2018−2021)
GPU code name
Cape Verde
TU106B
Market segment
Desktop
Desktop
Release date
December 2013
June 2020
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
1x 6-pin
None
Boost clock speed
930 MHz
1125 MHz
Core clock speed
900 MHz
-
Floating-point performance
952.3 gflops
-
Manufacturing process technology
28 nm
12 nm
Number of transistors
1,500 million
10,800 million
Pipelines / CUDA cores
512
2304
Power consumption (TDP)
65 Watt
115 Watt
Texture fill rate
29.76
162.0
Memory type
GDDR5
GDDR6
Maximum RAM amount
2 GB
8 GB
Memory bus width
128 Bit
256 Bit
Memory clock speed
4600 MHz
11 GB/s
Memory bandwidth
73.6 GB/s
352.0 GB/s
Display Connectors
No outputs
No outputs
DirectX
12 (11_1)
12 Ultimate (12_2)
CUDA
-
7.5
OpenCL
1.2
1.2
OpenGL
4.6
4.6
Shader Model
5.1
6.5
Vulkan
1.2.131
1.2