ATI Radeon 9550 SE vs Sky 900

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
ArchitectureGCN 1.0 (2011−2020)Rage 8 (2002−2007)
GPU code nameTahitiRV350
Market segmentWorkstationDesktop
Release date27 March 2013 (11 years ago)1 March 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 cores3584no data
Core clock speed825 MHz250 MHz
Boost clock speed950 MHzno data
Number of transistors4,313 million60 million
Manufacturing process technology28 nm130 nm
Power consumption (TDP)300 Wattno data
Texture fill rate106.41.000
Floating-point processing power3.405 TFLOPSno data
ROPs324
TMUs1124

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).

Bus supportPCIe 3.0no data
InterfacePCIe 3.0 x16AGP 8x
Length305 mmno data
Width2-slot1-slot
Form factorfull height / full lengthno data
Supplementary power connectors2x 8-pinNone

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 typeGDDR5DDR
Maximum RAM amount6 GB64 MB
Memory bus width384 Bit64 Bit
Memory clock speed1250 MHz200 MHz
Memory bandwidth480 GB/s3.2 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 mini-DisplayPort1x DVI, 1x VGA, 1x S-Video
Dual-link DVI support+-

API compatibility

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

DirectX12 (11_1)9.0 (9_0)
Shader Model5.1no data
OpenGL4.62.0
OpenCL1.2N/A
Vulkan1.2.131N/A

Pros & cons summary


Recency 27 March 2013 1 March 2003
Maximum RAM amount 6 GB 64 MB
Chip lithography 28 nm 130 nm

Sky 900 has an age advantage of 10 years, a 9500% higher maximum VRAM amount, and a 364.3% more advanced lithography process.

We couldn't decide between Radeon Sky 900 and Radeon 9550 SE. We've got no test results to judge.

Be aware that Radeon Sky 900 is a workstation graphics card while Radeon 9550 SE is a desktop one.


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 Sky 900
Radeon Sky 900
ATI Radeon 9550 SE
Radeon 9550 SE

Comparisons with similar GPUs

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Community ratings

Here you can see the user ratings of the compared graphics cards, as well as rate them yourself.


5 1 vote

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4.3 6 votes

Rate Radeon 9550 SE on a scale of 1 to 5:

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Questions & comments

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