ATI Radeon 9550 vs HD 6450 OEM

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
ArchitectureTeraScale 2 (2009−2015)Rage 8 (2002−2007)
GPU code nameCaicosRV350
Market segmentDesktopDesktop
Release date7 February 2011 (13 years ago)1 October 2003 (21 year 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 cores160no data
Core clock speed625 MHz250 MHz
Number of transistors370 million60 million
Manufacturing process technology40 nm130 nm
Power consumption (TDP)18 Wattno data
Texture fill rate5.0001.000
Floating-point processing power0.2 TFLOPSno data
ROPs44
TMUs84

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).

InterfacePCIe 2.0 x16AGP 8x
Length168 mmno data
Width1-slot1-slot
Supplementary power connectorsNoneNone

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 typeGDDR3DDR
Maximum RAM amount512 MB64 MB
Memory bus width64 Bit128 Bit
Memory clock speed533 MHz200 MHz
Memory bandwidth8.528 GB/s6.4 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 HDMI, 1x VGA1x DVI, 1x VGA, 1x S-Video
HDMI+-

API compatibility

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

DirectX11.2 (11_0)9.0 (9_0)
Shader Model5.0no data
OpenGL4.42.0
OpenCL1.2N/A
VulkanN/AN/A

Pros & cons summary


Recency 7 February 2011 1 October 2003
Maximum RAM amount 512 MB 64 MB
Chip lithography 40 nm 130 nm

HD 6450 OEM has an age advantage of 7 years, a 700% higher maximum VRAM amount, and a 225% more advanced lithography process.

We couldn't decide between Radeon HD 6450 OEM and Radeon 9550. 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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AMD Radeon HD 6450 OEM
Radeon HD 6450 OEM
ATI Radeon 9550
Radeon 9550

Comparisons with similar GPUs

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Community ratings

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2.8 6 votes

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4 55 votes

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