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Radeon HD 4670 AGP and Radeon HD 3870 - video card comparison


Radeon HD 4670 AGP

Radeon HD 3870


Architecture
TeraScale (2005−2013)
TeraScale (2005−2013)

GPU code name
RV730
RV670

Market segment
Desktop
Desktop

Release date
July 2007
November 2007

Interface
AGP 8x
PCIe 2.0 x16

Supplementary power connectors
-
1x 6-pin

Core clock speed
750 MHz
777 MHz

Floating-point performance
480.0 gflops
497.3 gflops

Manufacturing process technology
55 nm
55 nm

Number of transistors
514 million
666 million

Pipelines / CUDA cores
320
320

Power consumption (TDP)
59 Watt
106 Watt

Texture fill rate
24.00
12.43

Memory type
GDDR3
GDDR4

Maximum RAM amount
1 GB
512 MB

Memory bus width
128 Bit
256 Bit

Memory clock speed
1600 MHz
2252 MHz

Memory bandwidth
25.6 GB/s
72.06 GB/s

Display Connectors
1x DVI, 1x HDMI, 1x VGA
2x DVI, 1x S-Video

HDMI
+
-

DirectX
10.1 (10_1)
10.1 (10_1)

OpenCL
1.1
N/A

OpenGL
3.3
3.3

Shader Model
4.1
4.1

Vulkan
N/A
N/A