Radeon R7 265X OEM and Radeon HD 7450 OEM - video card comparison
Radeon R7 265X OEM
Radeon HD 7450 OEM
Architecture
GCN 1.0 (2012−2020)
TeraScale 2 (2009−2015)
GPU code name
Curacao
Caicos
Market segment
Desktop
Desktop
Release date
August 2014
January 2012
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Supplementary power connectors
1x 6-pin
None
Boost clock speed
925 MHz
-
Core clock speed
900 MHz
625 MHz
Floating-point performance
2,368 gflops
200.0 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
2,800 million
370 million
Pipelines / CUDA cores
1280
160
Power consumption (TDP)
150 Watt
18 Watt
Texture fill rate
74.00
5.000
Memory type
GDDR5
GDDR3
Maximum RAM amount
2 GB
512 MB
Memory bus width
256 Bit
64 Bit
Memory clock speed
5600 MHz
1066 MHz
Memory bandwidth
179.2 GB/s
8.528 GB/s
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
1x DVI, 1x HDMI
HDMI
+
+
DirectX
12 (11_1)
11.2 (11_0)
OpenCL
1.2
1.2
OpenGL
4.6
4.4
Shader Model
5.1
5.0
Vulkan
1.2.131
N/A