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Powercolor HD 4870 Stalker Edition

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1 Review

PowerColor HD 4870 Stalker Edition - Graphics adapter - Radeon HD 4870 - PCI Express 2.0 x16 - 1 GB GDDR5 - Digital Visual Interface (DVI), HDMI ( HDCP ) - HDTV out

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    1 Review
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      20.04.2011 12:00
      Very helpful



      A great card for those who want performance on a budget

      I bought this card to go into my first custom built PC as it fit within the budget I had set and came with good recommendations from review sites and friends. It cost me around £120 around a year and a half ago but can now be found much cheaper.

      The card itself is fairly impressive and came boxed with a copy of Stalker: Clear Sky. It requires 2 PCI-E connectors from the power supply although adaptors are available so that 2 molex plug can be used instead of a single pci-e connector. The card itself looks good inside the case and has an attractive plastic cover with a red circuit board and plenty of copper pipes and heat sinks.

      It is particularly power hungry and requires a 500W PSU according to the specs although I ran it using a 460W PSU without issue. It's always best to go with the recommendation or contact the manufacturer though so please make sure you do this to prevent issues.

      As for the performance of the card, it is very impressive. The car can be overclocked using ATi Overdrive within Catalyst Control Centre and I had mine running at 800/1100 while playing Crysis and Crysis Warhead without issue. Again though this can vary between cards and its best to make sure you overclock a bit at a time to avoid issues.

      Crysis ran well although Very High settings at 1680x1050 were causing low fps in the more intensive areas when playing on DX10. The game can still be enjoyed with a mixture of settings without a greatly noticeable drop in visual quality though.

      I have since replaced this card although I was more than happy with its performance throughout. Considering it's price it was able to run almost anything with good settings. The card itself did run fairly hot though and was particularly noisy due to the larger cooler and overall the card is pretty large so a fair amount of space is required within the case.

      I would definitely recommend this card though as it provides a great solution to people who want high end gaming but not to have to pay through the nose for it.


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  • Product Details

    956 million transistors on 55nm fabrication process

    PCI Express 2.0 x16 bus interface

    256-bit GDDR5

    Microsoft DirectX 10.1 support

    ShaderModel 4.1

    32-bit floating point texture filtering

    Indexed cube map arrays

    Independent blend modes per render target

    Pixel coverage sample masking

    Read/write multi-sample surfaces with shaders

    Gather4 texture fetching

    Unified Superscalar Shader Architecture

    800 stream processing units

    Dynamic load balancing and resource allocation for vertex, geometry, and pixel shaders

    Common instruction set and texture unit access supported for all types of shaders

    Dedicated branch execution units and texture address processors

    128-bit floating point precision for all operations

    Command processor for reduced CPU overhead

    Shader instruction and constant caches

    Up to 160 texture fetches per clock cycle

    Up to 128 textures per pixel

    Fully associative multi-level texture cache design

    DXTC and 3Dc+ texture compression

    High resolution texture support (up to 8192 x 8192)

    Fully associative texture Z/stencil cache designs

    Double-sided hierarchical Z/stencil buffer

    Early Z test, Re-Z, Z Range optimization, and Fast Z Clear

    Lossless Z & stencil compression (up to 128:1)

    Lossless color compression (up to 8:1)

    8 render targets (MRTs) with anti-aliasing support

    Accelerated physics processing

    Dynamic Geometry Acceleration

    High performance vertex cache

    Programmable tessellation unit

    Accelerated geometry shaderpath for geometry amplification

    Memory read/write cache for improved stream output performance

    Anti-aliasing features

    Multi-sample anti-aliasing (2, 4, or 8 samples per pixel)

    Up to 24x Custom Filter Anti-Aliasing (CFAA) for improved quality

    Adaptive super-sampling and multi-sampling

    Gamma correct

    Super AA (ATI CrossFireX configurations only)

    All anti-aliasing features compatible with HDR renderin

    Texture filtering features

    2x/4x/8x/16x high quality adaptive anisotropic filtering modes (up to 128 taps per pixel)

    128-bit floating point HDR texture filtering

    sRGB filtering (gamma/degamma)

    Percentage Closer Filtering (PCF)

    Depth & stencil texture (DST) format support

    Shared exponent HDR (RGBE 9:9:9:5) texture format support

    OpenGL 2.0 support

    ATI CrossFireX Multi-GPU Technology

    Scale up rendering performance and image quality with two, three, or four GPUs

    Integrated compositing engine

    High performance dual channel bridge interconnect