ATI Radeon X850 CrossFire Edition vs ATI HD 5490

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)R400 (2004−2008)
GPU code nameCedarR480
Market segmentDesktopDesktop
Release date28 October 2012 (12 years ago)10 September 2006 (18 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 cores80no data
Core clock speed650 MHz520 MHz
Number of transistors292 million160 million
Manufacturing process technology40 nm130 nm
Power consumption (TDP)19 Wattno data
Texture fill rate5.2008.320
Floating-point processing power0.104 TFLOPSno data
ROPs416
TMUs816

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
Length170 mmno data
Width1-slot2-slot
Supplementary power connectorsNone1x 6-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 typeGDDR3GDDR3
Maximum RAM amount1 GB256 MB
Memory bus width64 Bit256 Bit
Memory clock speed500 MHz540 MHz
Memory bandwidth8 GB/s34.56 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 VGA2x DVI
HDMI+-

API compatibility

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

DirectX11.2 (11_0)9.0b (9_2)
Shader Model5.0no data
OpenGL4.42.0
OpenCL1.2N/A
VulkanN/AN/A

Pros & cons summary


Recency 28 October 2012 10 September 2006
Maximum RAM amount 1 GB 256 MB
Chip lithography 40 nm 130 nm

ATI HD 5490 has an age advantage of 6 years, a 300% higher maximum VRAM amount, and a 225% more advanced lithography process.

We couldn't decide between Radeon HD 5490 and Radeon X850 CrossFire Edition. 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 HD 5490
Radeon HD 5490
ATI Radeon X850 CrossFire Edition
Radeon X850 CrossFire Edition

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