Radeon RX 480 vs Radeon HD 8770 OEM

Radeon RX 480
Memory: 8192Mb GDDR5 DESKTOP
Release date: 29 Jun 2016
Radeon RX 480

Radeon HD 8770 OEM
Memory: 1024Mb GDDR5 DESKTOP
Release date: 2 Sep 2013
Radeon HD 8770 OEM

Summary

Reasons to consider Radeon RX 480

This is a much newer product, it might have better long term support.
Higher theoretical gaming performance, based on specifications.
Supports Direct3D 12 Async Compute.
Supports FreeSync.
Supports ReLive (allows game streaming/recording with minimum performance penalty).
Supports TrueAudio.

Reasons to consider Radeon HD 8770 OEM

65 watts lower power draw. This might be a strong point if your current power supply is not enough to handle the Radeon RX 480 .
Supports Direct3D 12 Async Compute.
Supports FreeSync.
Supports ReLive (allows game streaming/recording with minimum performance penalty).
Supports TrueAudio.

Radeon RX 480

HWBench recommends Radeon RX 480

Based on game and synthetic benchmarks, and theoretical specifications.



Specifications

Core Configuration

Radeon RX 480 Radeon HD 8770 OEM
GPU Name Ellesmere (Ellesmere XT) vs Bonaire (Bonaire XT)
Fab Process 14 nm vs 28 nm
Die Size 232 mm² vs 160 mm²
Transistors 5,700 million vs 2,080 million
Shaders 2304 vs 896
Compute Units 36 vs 14
Core clock 1266 MHz vs 1050 MHz
ROPs 32 vs 16
TMUs 144 vs 56

Memory Configuration

Radeon RX 480 Radeon HD 8770 OEM
Memory Type GDDR5 vs GDDR5
Bus Width 256 bit vs 128 bit
Memory Speed 2000 MHz
8000 MHz effective
vs 1500 MHz
6000 MHz effective
Memory Size 8192 Mb vs 1024 Mb

Additional details

Radeon RX 480 Radeon HD 8770 OEM
TDP 150 watts vs 85 watts
Release Date 29 Jun 2016 vs 2 Sep 2013

Raw Performance comparison

Pixel Rate

  • Radeon RX 480
    40.50 GP/s
  • Radeon HD 8770 OEM
    16.80 GP/s

GigaPixels - higher is better

Texel Rate

  • Radeon RX 480
    182.30 GT/s
  • Radeon HD 8770 OEM
    58.80 GT/s

GigaTexels - higher is better

Memory bandwidth

  • Radeon RX 480
    256.00 GB/s
  • Radeon HD 8770 OEM
    96.00 GB/s

GB/s - higher is better

Single precision performance

  • Radeon RX 480
    5834.00 GFLOPs
  • Radeon HD 8770 OEM
    1882.00 GFLOPs

GFLOPs - higher is better