Radeon HD 6490 vs ATI X1650 PRO

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Primary details

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

Place in the ranking1374not rated
Place by popularitynot in top-100not in top-100
Power efficiency0.35no data
ArchitectureUltra-Threaded SE (2005−2007)TeraScale 2 (2009−2015)
GPU code nameRV530Redwood
Market segmentDesktopDesktop
Release date1 February 2007 (17 years ago)4 July 2011 (13 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 speed600 MHz550 MHz
Number of transistors157 million627 million
Manufacturing process technology90 nm40 nm
Power consumption (TDP)44 Watt39 Watt
Texture fill rate2.4008.800
Floating-point processing powerno data0.352 TFLOPS
ROPs48
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).

InterfacePCIe 1.0 x16PCIe 2.0 x16
Lengthno data165 mm
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 typeGDDR3DDR2
Maximum RAM amount256 MB1 GB
Memory bus width128 Bit128 Bit
Memory clock speed700 MHz500 MHz
Memory bandwidth22.4 GB/s16 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-Video1x DVI, 1x HDMI, 1x VGA
HDMI-+

API compatibility

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

DirectX9.0c (9_3)11.2 (11_0)
Shader Model3.05.0
OpenGL2.14.4
OpenCLN/A1.2
VulkanN/AN/A

Pros & cons summary


Recency 1 February 2007 4 July 2011
Maximum RAM amount 256 MB 1 GB
Chip lithography 90 nm 40 nm
Power consumption (TDP) 44 Watt 39 Watt

HD 6490 has an age advantage of 4 years, a 300% higher maximum VRAM amount, a 125% more advanced lithography process, and 12.8% lower power consumption.

We couldn't decide between Radeon X1650 PRO and Radeon HD 6490. 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 X1650 PRO
Radeon X1650 PRO
AMD Radeon HD 6490
Radeon HD 6490

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