
Radeon HD 4670 and Curacao - video card comparison
Radeon HD 4670
Curacao
Architecture
TeraScale (2005−2013)
GCN 1.0 (2012−2020)
GPU code name
RV730
Curacao
Market segment
Desktop
Desktop
Release date
September 2008
-
Interface
PCIe 2.0 x16
-
Supplementary power connectors
None
-
Core clock speed
750 MHz
-
Floating-point performance
480.0 gflops
-
Manufacturing process technology
55 nm
28 nm
Number of transistors
514 million
2,800 million
Pipelines / CUDA cores
320
1280
Power consumption (TDP)
59 Watt
-
Texture fill rate
24.00
-
Memory type
GDDR3
-
Maximum RAM amount
512 MB
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Memory bus width
128 Bit
-
Memory clock speed
2000 MHz
-
Memory bandwidth
32 GB/s
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Display Connectors
2x DVI, 1x S-Video
-
DirectX
10.1 (10_1)
12 (11_1)
OpenCL
1.1
2.1 (1.2)
OpenGL
3.3
4.6
Shader Model
4.1
6.5 (5.1)
Vulkan
N/A
1.2.170