HWBench.com

    Radeon HD 7870 XT vs Radeon R5 235X OEM

    Radeon HD 7870 XT
    Memory: 2048Mb GDDR5DESKTOP
    Release date: 19 Nov 2012
    Radeon HD 7870 XT
    Radeon R5 235X OEM
    Memory: 1024Mb DDR3DESKTOP
    Release date: 21 Dec 2013
    Radeon R5 235X OEM

    Summary

    Reasons to consider Radeon HD 7870 XT

    Higher theoretical gaming performance, based on specifications.
    Supports Direct3D 12 Async Compute
    Supports ReLive (allows game streaming/recording with minimum performance penalty)
    Supports Mantle
    Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications

    Reasons to consider Radeon R5 235X OEM

    167 watts lower power draw. This might be a strong point if your current power supply is not enough to handle the Radeon HD 7870 XT .
    This is a much newer product, it might have better long term support.
    Based on an outdated architecture (ATI TeraScale), there are no performance optimizations for current games and applications
    Radeon HD 7870 XT

    HWBench recommends Radeon HD 7870 XT

    Based on theoretical specifications.

    Specifications

    Core Configuration

    Radeon HD 7870 XTRadeon R5 235X OEM
    GPU NameTahiti (Tahiti LE)vsCaicos (Caicos XT)
    Fab Process28 nmvs40 nm
    Die Size352 mm²vs67 mm²
    Transistors4,313 millionvs370 million
    Shaders1536vs160
    Compute Units24vs2
    Core clock925 MHzvs875 MHz
    ROPs32vs4
    TMUs96vs8

    Memory Configuration

    Radeon HD 7870 XTRadeon R5 235X OEM
    Memory TypeGDDR5vsDDR3
    Bus Width256 bitvs64 bit
    Memory Speed1500 MHz
    6000 MHz effective    		vs900 MHz
    1800 MHz effective
    Memory Size2048 Mbvs1024 Mb

    Additional details

    Radeon HD 7870 XTRadeon R5 235X OEM
    TDP185 wattsvs18 watts
    Release Date19 Nov 2012vs21 Dec 2013

    Raw Performance comparison

    Pixel Rate

    • Radeon HD 7870 XT
      29.60 GP/s
    • Radeon R5 235X OEM
      3.50 GP/s

    GigaPixels - higher is better

    Texel Rate

    • Radeon HD 7870 XT
      88.80 GT/s
    • Radeon R5 235X OEM
      7.00 GT/s

    GigaTexels - higher is better

    Memory bandwidth

    • Radeon HD 7870 XT
      192.00 GB/s
    • Radeon R5 235X OEM
      14.40 GB/s

    GB/s - higher is better

    Single precision performance

    • Radeon HD 7870 XT
      2842.00 GFLOPs
    • Radeon R5 235X OEM
      280.00 GFLOPs

    GFLOPs - higher is better

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