Radeon HD 6830M vs HD 6790

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Primary details

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

Place in the ranking682not rated
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.76no data
Power efficiency1.95no data
ArchitectureTeraScale 2 (2009−2015)TeraScale 2 (2009−2015)
GPU code nameBartsGranville
Market segmentDesktopLaptop
Release date4 April 2011 (13 years ago)4 January 2011 (13 years ago)
Launch price (MSRP)$149 no data

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

no data

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 cores800800
Core clock speed840 MHz575 MHz
Number of transistors1,700 million1,040 million
Manufacturing process technology40 nm40 nm
Power consumption (TDP)150 Watt39 Watt
Texture fill rate33.6023.00
Floating-point processing power1.344 TFLOPS0.92 TFLOPS
ROPs1616
TMUs4040

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).

Laptop sizeno datalarge
InterfacePCIe 2.0 x16PCIe 2.0 x16
Length198 mmno data
Width2-slotno data
Supplementary power connectors2x 6-pinno data

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 width256 Bit128 Bit
Memory clock speed1050 MHz800 MHz
Memory bandwidth134.4 GB/s25.6 GB/s
Shared memory--

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 Connectors2x DVI, 1x HDMI, 1x DisplayPortNo outputs
HDMI+-

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 4 April 2011 4 January 2011
Power consumption (TDP) 150 Watt 39 Watt

HD 6790 has an age advantage of 3 months.

HD 6830M, on the other hand, has 284.6% lower power consumption.

We couldn't decide between Radeon HD 6790 and Radeon HD 6830M. We've got no test results to judge.

Be aware that Radeon HD 6790 is a desktop card while Radeon HD 6830M is a notebook 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 6790
Radeon HD 6790
AMD Radeon HD 6830M
Radeon HD 6830M

Comparisons with similar GPUs

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Community ratings

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Questions & comments

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