Radeon R7 250 OEM and A2 - video card comparison
Radeon R7 250 OEM
A2
Architecture
GCN 1.0 (2012−2020)
Ampere (2020−2022)
GPU code name
Oland
GA107
Market segment
Desktop
Desktop
Release date
October 2013
November 2021
Interface
PCIe 3.0 x8
PCIe 4.0 x8
Supplementary power connectors
None
None
Boost clock speed
1050 MHz
1770 MHz
Core clock speed
1000 MHz
-
Floating-point performance
806.4 gflops
-
Manufacturing process technology
28 nm
8 nm
Number of transistors
950 million
-
Pipelines / CUDA cores
384
1280
Power consumption (TDP)
65 Watt
60 Watt
Texture fill rate
25.20
70.80
Memory type
DDR3
GDDR6
Maximum RAM amount
2 GB
16 GB
Memory bus width
128 Bit
128 Bit
Memory clock speed
2000 MHz
12.5 GB/s
Memory bandwidth
32 GB/s
200.1 GB/s
Display Connectors
1x DVI, 1x HDMI, 1x VGA
No outputs
HDMI
+
-
DirectX
12 (11_1)
12 Ultimate (12_2)
CUDA
-
8.6
OpenCL
1.2
3.0
OpenGL
4.6
4.6
Shader Model
5.1
6.6
Vulkan
1.2.131
1.2