Radeon HD 6870M vs ATI Mobility HD 5870

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Primary details

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

Place in the ranking779not rated
Place by popularitynot in top-100not in top-100
ArchitectureTerascale 2 (2009−2015)Terascale 2 (2009−2015)
GPU code nameBroadway-XTGranville-PRO
Market segmentLaptopLaptop
Release date7 January 2010 (14 years ago)7 January 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 cores800800
Core clock speed700 MHz675 MHz
Number of transistors1,040 million1,040 million
Manufacturing process technology40 nm40 nm
Power consumption (TDP)50 Watt50 Watt
Texture fill rate28.0027.00
Floating-point processing power1.12 gflops1.08 gflops
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 sizelargelarge
InterfaceMXM-B (3.0)MXM-B (3.0)

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 typeDDR3, GDDR3, GDDR5DDR3, GDDR3, GDDR5
Maximum RAM amount1 GB1 GB
Memory bus width128 Bit128 Bit
Memory clock speed1000 MHz1000 MHz
Memory bandwidth64 GB/s64 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 ConnectorsNo outputsNo outputs

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 7 January 2010 7 January 2011

HD 6870M has an age advantage of 1 year.

We couldn't decide between Mobility Radeon HD 5870 and Radeon HD 6870M. 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 Mobility Radeon HD 5870
Mobility Radeon HD 5870
AMD Radeon HD 6870M
Radeon HD 6870M

Comparisons with similar GPUs

We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.

Community ratings

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3.4 52 votes

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4 4 votes

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Questions & comments

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