ATI Radeon X300 SE vs HD 6490

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 9 (2003−2006)
GPU code nameRedwoodRV370
Market segmentDesktopDesktop
Release date4 July 2011 (13 years ago)1 September 2004 (20 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 cores320no data
Core clock speed550 MHz325 MHz
Number of transistors627 million107 million
Manufacturing process technology40 nm110 nm
Power consumption (TDP)39 Watt30 Watt
Texture fill rate8.8001.300
Floating-point processing power0.352 TFLOPSno data
ROPs84
TMUs164

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 x16PCIe 1.0 x16
Length165 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 typeDDR2DDR
Maximum RAM amount1 GB64 MB
Memory bus width128 Bit64 Bit
Memory clock speed500 MHz200 MHz
Memory bandwidth16 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 HDMI, 1x VGANo outputs
HDMI+-

API compatibility

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

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

Pros & cons summary


Recency 4 July 2011 1 September 2004
Maximum RAM amount 1 GB 64 MB
Chip lithography 40 nm 110 nm
Power consumption (TDP) 39 Watt 30 Watt

HD 6490 has an age advantage of 6 years, a 1500% higher maximum VRAM amount, and a 175% more advanced lithography process.

ATI X300 SE, on the other hand, has 30% lower power consumption.

We couldn't decide between Radeon HD 6490 and Radeon X300 SE. 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 6490
Radeon HD 6490
ATI Radeon X300 SE
Radeon X300 SE

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Community ratings

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