AMD HD 6490 vs ATI Mobility HD 4860

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General info

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

Place in performance rankingnot ratednot rated
Place by popularitynot in top-100not in top-100
ArchitectureTerascale 1 (2008−2010)TeraScale 2 (2009−2015)
GPU code nameM97-XTRedwood
Market segmentLaptopDesktop
Release date3 March 2009 (15 years old)4 July 2011 (12 years old)
Current priceno data$800

Technical specs

General performance parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. These parameters indirectly speak of performance, but for precise assessment you have to consider their benchmark and gaming test results. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores640320
Core clock speed650 MHz550 MHz
Number of transistors826 million627 million
Manufacturing process technology40 nm40 nm
Power consumption (TDP)no data39 Watt
Texture fill rate20.808.800
Floating-point performance832.0 gflops352.0 gflops

Size and compatibility

Information on Mobility Radeon HD 4860 and Radeon HD 6490 compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop video cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility). For notebook video cards it's notebook size, connection slot and bus, if the video card is inserted into a slot instead of being soldered to the notebook motherboard.

Laptop sizelargeno data
InterfacePCIe 2.0 x16PCIe 2.0 x16
Lengthno data165 mm
Widthno data1-slot
Supplementary power connectorsno dataNone

Memory

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 typeGDDR5DDR2
Maximum RAM amount1 GB1 GB
Memory bus width128 Bit128 Bit
Memory clock speed1000 MHz1000 MHz
Memory bandwidth64 GB/s16 GB/s
Shared memory-no data

Video outputs and ports

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 ConnectorsNo outputs1x DVI, 1x HDMI, 1x VGA
HDMIno data+

API support

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

DirectX10.1 (10_1)11.2 (11_0)
Shader Model4.15.0
OpenGL3.34.4
OpenCL1.11.2
VulkanN/AN/A

Advantages and disadvantages


Recency 3 March 2009 4 July 2011

We couldn't decide between Mobility Radeon HD 4860 and Radeon HD 6490. We've got no test results to judge.

Be aware that Mobility Radeon HD 4860 is a notebook card while Radeon HD 6490 is a desktop one.


Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.

User ratings

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ATI Mobility Radeon HD 4860
Mobility Radeon HD 4860
AMD Radeon HD 6490
Radeon HD 6490

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