GeForce RTX 3080 vs Radeon HD 7970

GeForce RTX 3080
Memory: 10240Mb GDDR6XDESKTOP
Release date: 1 Sep 2020
GeForce RTX 3080
Radeon HD 7970
Memory: 3072Mb GDDR5DESKTOP
Release date: 22 Dec 2011
Radeon HD 7970

Summary

Reasons to consider GeForce RTX 3080

This is a much newer product, it might have better long term support.
Higher theoretical gaming performance, based on specifications.
Supports PhysX
Supports G-Sync
Supports ShadowPlay (allows game streaming/recording with minimum performance penalty)
Supports Direct3D 12 Async Compute
Supports DirectX Raytracing (DXR)
Supports Deep Learning Super-Sampling (DLSS)

Reasons to consider Radeon HD 7970

70 watts lower power draw. This might be a strong point if your current power supply is not enough to handle the GeForce RTX 3080 .
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Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications

GeForce RTX 3080

HWBench recommends GeForce RTX 3080

Based on theoretical specifications.


Specifications

Core Configuration

GeForce RTX 3080Radeon HD 7970
GPU NameGA102 (GA102-200-K1-A1)vsTahiti (Tahiti XT)
Fab Process8 nmvs28 nm
Die Size628 mm²vs352 mm²
Transistors28,000 millionvs4,313 million
Shaders8704vs2048
Compute Units68vs32
Core clock1440 MHzvs925 MHz
ROPs96vs32
TMUs272vs128

Memory Configuration

GeForce RTX 3080Radeon HD 7970
Memory TypeGDDR6XvsGDDR5
Bus Width320 bitvs384 bit
Memory Speed1188 MHz
19 Gbps effective
vs1375 MHz
5500 MHz effective
Memory Size10240 Mbvs3072 Mb

Additional details

GeForce RTX 3080Radeon HD 7970
TDP320 wattsvs250 watts
Release Date1 Sep 2020vs22 Dec 2011

Raw Performance comparison

Pixel Rate

  • GeForce RTX 3080
    164.20 GP/s
  • Radeon HD 7970
    29.60 GP/s

GigaPixels - higher is better

Texel Rate

  • GeForce RTX 3080
    465.10 GT/s
  • Radeon HD 7970
    118.00 GT/s

GigaTexels - higher is better

Memory bandwidth

  • GeForce RTX 3080
    760.30 GB/s
  • Radeon HD 7970
    264.00 GB/s

GB/s - higher is better

Single precision performance

  • GeForce RTX 3080
    29770.00 GFLOPs
  • Radeon HD 7970
    3789.00 GFLOPs

GFLOPs - higher is better