Radeon HD 8670A Overview

Radeon HD 8670A
Memory: 1024Mb DDR3MOBILE
Release date: 2 Feb 2013
Radeon HD 8670A

Core Configuration

GPU Mars
Architecture AMD_GCN_1_0
Shaders : TMUs : ROPs 384 : 24 : 8
Raytracing Cores none
Performance 460.80 GFLOPs

Memory Configuration

Memory Size 1024 Mb
Memory Bus Width 64 bit
Memory Speed 1000 MHz
2000 MHz effective
Memory Bandwidth 16.00 Gb/s

Summary

Relative performance

  • Radeon R5 M420
    100%
  • Radeon R5 M430
    100%
  • Radeon R5 M435
    100%
  • Radeon R7 M440
    100%
  • Radeon R7 M445
    100%
  • Radeon R5 M320
    100%
  • Radeon R5 M230
    100%
  • Radeon HD 8550M
    99%
  • Radeon HD 8530M
    98%
  • Radeon HD 8730M
    98%
  • Radeon HD 8570M
    96%
  • Radeon HD 8590M
    96%
  • Radeon HD 8690M
    96%
  • GeForce GT 640M
    93%
  • GeForce GT 735M
    85%
  • Radeon HD 8670A
    84%
  • GeForce GT 745M Rev. 2
    81%
  • GeForce GT 640M LE
    74%
  • GeForce 710M
    53%
  • Radeon HD 6990M
    18%
  • Radeon HD 6970M
    14%
  • Radeon HD 6950M
    12%
  • Radeon HD 6850M
    12%
  • Radeon HD 6870M
    12%
  • GeForce GTX 675M
    10%
  • GeForce GTX 580M
    10%
  • Radeon HD 6830M
    10%
  • GeForce GTX 485M
    10%
  • GeForce GTX 670M
    9%
  • GeForce GTX 570M
    8%

Data interpolated by architecture, based on benchmarks charts.

The Radeon HD 8670A is a graphics card released by AMD on 2 Feb 2013. The graphics card houses the Mars die, based on the AMD_GCN_1_0 architecture which packs 1,040 million transistors on a 28 nm, 77 mm2 die.

Radeon HD 8670A pros and cons

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Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications



Specifications


Compared to similar performing cards

Radeon HD 8670ARadeon R5 M420Radeon R5 M430Radeon R5 M435Radeon R7 M440
Radeon HD 8670ARadeon R5 M420Radeon R5 M430Radeon R5 M435Radeon R7 M440
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Shader units384320320320320
ROPs88888
Graphics processorMarsJetJetJetJet
Process size28 nm28 nm28 nm28 nm28 nm
Memory1024 Mb DDR3 (1000 MHz
2000 MHz effective)
4096 Mb DDR3 (1000 MHz
2000 MHz effective)
4096 Mb DDR3 (1000 MHz
2000 MHz effective)
4096 Mb GDDR5 (1000 MHz
4000 MHz effective)
4096 Mb DDR3 (1000 MHz
2000 MHz effective)
Memory bus width64 bit64 bit64 bit64 bit64 bit
Memory bandwidth16.00 Gb/s16.00 Gb/s16.00 Gb/s32.00 Gb/s16.00 Gb/s
Release date2 Feb 201315 May 201615 May 201615 May 201615 May 2016