Radeon HD 8490 OEM vs HD 7670A

Primary details

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

Place in the ranking802not rated
Place by popularitynot in top-100not in top-100
Power efficiency4.21no data
ArchitectureTeraScale 2 (2009−2015)TeraScale 2 (2009−2015)
GPU code nameTurksCaicos
Market segmentLaptopDesktop
Release date5 January 2012 (12 years ago)23 July 2013 (11 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 cores480160
Core clock speed600 MHz875 MHz
Number of transistors716 million370 million
Manufacturing process technology40 nm40 nm
Power consumption (TDP)45 Watt35 Watt
Texture fill rate14.407.000
Floating-point processing power0.576 TFLOPS0.28 TFLOPS
ROPs84
TMUs248

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).

InterfaceMXM-A (3.0)PCIe 2.0 x16
Lengthno data168 mm
Widthno data1-slot
Supplementary power connectorsno dataNone

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 typeGDDR5DDR3
Maximum RAM amount1 GB1 GB
Memory bus width128 Bit64 Bit
Memory clock speed1000 MHz900 MHz
Memory bandwidth64 GB/s14.4 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 ConnectorsNo outputs1x DVI, 1x DisplayPort

API compatibility

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

DirectX11.2 (11_0)11.2 (11_0)
Shader Model5.05.0
OpenGL4.44.4
OpenCL1.21.2
VulkanN/AN/A

Pros & cons summary


Recency 5 January 2012 23 July 2013
Power consumption (TDP) 45 Watt 35 Watt

HD 8490 OEM has an age advantage of 1 year, and 28.6% lower power consumption.

We couldn't decide between Radeon HD 7670A and Radeon HD 8490 OEM. We've got no test results to judge.

Be aware that Radeon HD 7670A is a notebook card while Radeon HD 8490 OEM 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 HD 7670A
Radeon HD 7670A
AMD Radeon HD 8490 OEM
Radeon HD 8490 OEM

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Community ratings

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