Radeon HD 5670 and Radeon R7 265X OEM - video card comparison
Radeon HD 5670
Radeon R7 265X OEM
Architecture
Terascale 2 (2009−2015)
GCN 1.0 (2012−2020)
GPU code name
Redwood
Curacao
Market segment
Desktop
Desktop
Release date
January 2010
August 2014
Interface
PCIe 2.0 x16
PCIe 3.0 x16
Supplementary power connectors
None
1x 6-pin
Boost clock speed
-
925 MHz
Core clock speed
775 MHz
900 MHz
Floating-point performance
620.0 gflops
2,368 gflops
Manufacturing process technology
40 nm
28 nm
Number of transistors
627 million
2,800 million
Pipelines / CUDA cores
400
1280
Power consumption (TDP)
64 Watt
150 Watt
Texture fill rate
15.50
74.00
Memory type
GDDR5
GDDR5
Maximum RAM amount
1 GB
2 GB
Memory bus width
128 Bit
256 Bit
Memory clock speed
1000 MHz
5600 MHz
Memory bandwidth
64 GB/s
179.2 GB/s
Display Connectors
1x DVI, 1x HDMI, 1x VGA
2x DVI, 1x HDMI, 1x DisplayPort
HDMI
+
+
DirectX
11.2 (11_0)
12 (11_1)
OpenCL
1.2
1.2
OpenGL
4.4
4.6
Shader Model
5.0
5.1
Vulkan
N/A
1.2.131