ATI Radeon HD 2950 XTX vs ATI Mobility HD 5870

Primary details

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

Place in the ranking778not rated
Place by popularitynot in top-100not in top-100
Power efficiency4.09no data
ArchitectureTeraScale 2 (2009−2015)TeraScale (2005−2013)
GPU code nameBroadwayRV670
Market segmentLaptopDesktop
Release date7 January 2010 (14 years ago)no data (2024 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 cores800320
Core clock speed700 MHz777 MHz
Number of transistors1,040 million666 million
Manufacturing process technology40 nm55 nm
Power consumption (TDP)50 Watt110 Watt
Texture fill rate28.0012.43
Floating-point processing power1.12 TFLOPS0.4973 TFLOPS
ROPs1616
TMUs4016

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 sizelargeno data
InterfaceMXM-B (3.0)PCIe 2.0 x16
Lengthno data241 mm
Widthno data1-slot
Supplementary power connectorsno data1x 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 typeGDDR5GDDR4
Maximum RAM amount1 GB512 MB
Memory bus width128 Bit256 Bit
Memory clock speed1000 MHz1126 MHz
Memory bandwidth64 GB/s72.06 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 outputs2x DVI, 1x S-Video

API compatibility

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

DirectX11.2 (11_0)10.1 (10_1)
Shader Model5.04.1
OpenGL4.43.3 (full) 4.0 (partial)
OpenCL1.2N/A
VulkanN/AN/A

Pros & cons summary


Maximum RAM amount 1 GB 512 MB
Chip lithography 40 nm 55 nm
Power consumption (TDP) 50 Watt 110 Watt

ATI Mobility HD 5870 has a 100% higher maximum VRAM amount, a 37.5% more advanced lithography process, and 120% lower power consumption.

We couldn't decide between Mobility Radeon HD 5870 and Radeon HD 2950 XTX. We've got no test results to judge.

Be aware that Mobility Radeon HD 5870 is a notebook card while Radeon HD 2950 XTX is a desktop one.


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

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite graphics card.


ATI Mobility Radeon HD 5870
Mobility Radeon HD 5870
ATI Radeon HD 2950 XTX
Radeon HD 2950 XTX

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

Here you can see the user ratings of the compared graphics cards, as well as rate them yourself.


3.4 52 votes

Rate Mobility Radeon HD 5870 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
3 2 votes

Rate Radeon HD 2950 XTX on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about this comparison, agree or disagree with our judgements, or report an error or mismatch.