ATI Radeon HD 3870 AGP vs ATI 9550

Primary details

GPU architecture, market segment, value for money and other general parameters compared.

Place in the rankingnot ratednot rated
Place by popularitynot in top-100not in top-100
ArchitectureRage 8 (2002−2007)TeraScale (2005−2013)
GPU code nameRV350RV670
Market segmentDesktopDesktop
Release date1 October 2003 (21 year ago)no data (2024 years ago)

Detailed specifications

General parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA coresno data320
Core clock speed250 MHz777 MHz
Number of transistors60 million666 million
Manufacturing process technology130 nm55 nm
Power consumption (TDP)no data106 Watt
Texture fill rate1.00012.43
Floating-point processing powerno data0.4973 TFLOPS
ROPs416
TMUs416

Form factor & compatibility

Information on compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop graphics cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility).

InterfaceAGP 8xAGP 8x
Lengthno data241 mm
Width1-slot2-slot
Supplementary power connectorsNone1x 8-pin

VRAM capacity and type

Parameters of VRAM installed: its type, size, bus, clock and resulting bandwidth. Integrated GPUs have no dedicated video RAM and use a shared part of system RAM.

Memory typeDDRGDDR4
Maximum RAM amount64 MB512 MB
Memory bus width128 Bit256 Bit
Memory clock speed200 MHz1126 MHz
Memory bandwidth6.4 GB/s72.06 GB/s

Connectivity and outputs

Types and number of video connectors present on the reviewed GPUs. As a rule, data in this section is precise only for desktop reference ones (so-called Founders Edition for NVIDIA chips). OEM manufacturers may change the number and type of output ports, while for notebook cards availability of certain video outputs ports depends on the laptop model rather than on the card itself.

Display Connectors1x DVI, 1x VGA, 1x S-Video2x DVI, 1x S-Video

API compatibility

List of supported 3D and general-purpose computing APIs, including their specific versions.

DirectX9.0 (9_0)10.1 (10_1)
Shader Modelno data4.1
OpenGL2.03.3 (full) 4.0 (partial)
OpenCLN/AN/A
VulkanN/AN/A

Pros & cons summary


Maximum RAM amount 64 MB 512 MB
Chip lithography 130 nm 55 nm

ATI HD 3870 AGP has a 700% higher maximum VRAM amount, and a 136.4% more advanced lithography process.

We couldn't decide between Radeon 9550 and Radeon HD 3870 AGP. We've got no test results to judge.


Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.

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ATI Radeon 9550
Radeon 9550
ATI Radeon HD 3870 AGP
Radeon HD 3870 AGP

Comparisons with similar GPUs

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Community ratings

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4 55 votes

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3 4 votes

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Questions & comments

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