Radeon RX 460 vs Radeon HD 7870 XT

Radeon RX 460
Memory: 4096Mb GDDR5 DESKTOP
Release date: 29 Jun 2016
Radeon RX 460

Radeon HD 7870 XT
Memory: 2048Mb GDDR5 DESKTOP
Release date: 19 Nov 2012
Radeon HD 7870 XT

Summary

Synthetic performance index

  • Radeon RX 460
    100%
  • Radeon HD 7870 XT
    106%

Relative performance

Reasons to consider Radeon RX 460

110 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.
Supports Direct3D 12 Async Compute.
Supports FreeSync.
Supports ReLive (allows game streaming/recording with minimum performance penalty).
Supports TrueAudio.

Reasons to consider Radeon HD 7870 XT

Around 6% higher average synthetic performance.
Supports Direct3D 12 Async Compute.
Supports ReLive (allows game streaming/recording with minimum performance penalty).
Supports Mantle.

Radeon HD 7870 XT

HWBench recommends Radeon HD 7870 XT

Based on game and synthetic benchmarks, and theoretical specifications.



Specifications

Core Configuration

Radeon RX 460 Radeon HD 7870 XT
GPU Name Baffin (Baffin PRO) vs Tahiti (Tahiti LE)
Fab Process 14 nm vs 28 nm
Die Size 123 mm² vs 352 mm²
Transistors 3 billion vs 4,313 million
Shaders 896 vs 1536
Compute Units 14 vs 24
Core clock 1090 MHz vs 925 MHz
ROPs 16 vs 32
TMUs 48 vs 96

Memory Configuration

Radeon RX 460 Radeon HD 7870 XT
Memory Type GDDR5 vs GDDR5
Bus Width 128 bit vs 256 bit
Memory Speed 1750 MHz
7000 MHz effective
vs 1500 MHz
6000 MHz effective
Memory Size 4096 Mb vs 2048 Mb

Additional details

Radeon RX 460 Radeon HD 7870 XT
TDP 75 watts vs 185 watts
Release Date 29 Jun 2016 vs 19 Nov 2012

Raw Performance comparison

Pixel Rate

  • Radeon RX 460
    19.20 GP/s
  • Radeon HD 7870 XT
    29.60 GP/s

GigaPixels - higher is better

Texel Rate

  • Radeon RX 460
    57.60 GT/s
  • Radeon HD 7870 XT
    88.80 GT/s

GigaTexels - higher is better

Memory bandwidth

  • Radeon RX 460
    112.00 GB/s
  • Radeon HD 7870 XT
    192.00 GB/s

GB/s - higher is better

Single precision performance

  • Radeon RX 460
    2150.40 GFLOPs
  • Radeon HD 7870 XT
    2842.00 GFLOPs

GFLOPs - higher is better


Synthetic benchmarks

3DMark 11

  • Radeon RX 460
    8080
  • Radeon HD 7870 XT
    8590

Points (higher is better)