Radeon HD 7670 OEM and Radeon R9 285X - video card comparison
Radeon HD 7670 OEM
Radeon R9 285X
Architecture
TeraScale 2 (2009−2015)
GCN 3.0 (2014−2017)
GPU code name
Turks
Tonga
Market segment
Desktop
Desktop
Release date
January 2012
-
Interface
PCIe 2.0 x16
PCIe 3.0 x16
Supplementary power connectors
None
1x 6-pin + 1x 8-pin
Core clock speed
800 MHz
1002 MHz
Floating-point performance
768.0 gflops
-
Manufacturing process technology
40 nm
28 nm
Number of transistors
716 million
5,000 million
Pipelines / CUDA cores
480
2048
Power consumption (TDP)
66 Watt
200 Watt
Texture fill rate
19.20
128.3
Memory type
GDDR5
GDDR5
Maximum RAM amount
512 MB
3 GB
Memory bus width
128 Bit
384 Bit
Memory clock speed
4000 MHz
5.5 GB/s
Memory bandwidth
64 GB/s
264.0 GB/s
Display Connectors
1x DVI, 1x DisplayPort, 1x VGA
2x DVI, 1x HDMI 1.4a, 1x DisplayPort 1.2
HDMI
-
+
DirectX
11.2 (11_0)
12 (12_0)
OpenCL
1.2
2.1
OpenGL
4.4
4.6
Shader Model
5.0
6.5
Vulkan
N/A
1.2.170