GeForce RTX 2070 Super vs GeForce GT 640

GeForce RTX 2070 Super
Memory: 8192Mb GDDR6DESKTOP
Release date: 9 Jul 2019
GeForce RTX 2070 Super
GeForce GT 640
Memory: 2048Mb DDR3DESKTOP
Release date: 5 Jun 2012
GeForce GT 640

Summary

Reasons to consider GeForce RTX 2070 Super

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 GeForce GT 640

110 watts lower power draw. This might be a strong point if your current power supply is not enough to handle the GeForce RTX 2070 Super .
Supports PhysX
Supports G-Sync
Supports ShadowPlay (allows game streaming/recording with minimum performance penalty)
Based on an outdated architecture (Nvidia Kepler), there are less performance optimizations for current games and applications

GeForce RTX 2070 Super

HWBench recommends GeForce RTX 2070 Super

Based on theoretical specifications.


Specifications

Core Configuration

GeForce RTX 2070 SuperGeForce GT 640
GPU NameTU104 (TU104-410-A1)vsGK107 (GK107-300-A2)
Fab Process12 nmvs28 nm
Die Size545 mm²vs118 mm²
Transistors13,600 millionvs1,270 million
Shaders2560vs384
Compute Units40vs2
Core clock1605 MHzvs902 MHz
ROPs64vs16
TMUs160vs32

Memory Configuration

GeForce RTX 2070 SuperGeForce GT 640
Memory TypeGDDR6vsDDR3
Bus Width256 bitvs128 bit
Memory Speed1750 MHz
14000 MHz effective
vs891 MHz
1782 MHz effective
Memory Size8192 Mbvs2048 Mb

Additional details

GeForce RTX 2070 SuperGeForce GT 640
TDP175 wattsvs65 watts
Release Date9 Jul 2019vs5 Jun 2012

Raw Performance comparison

Pixel Rate

  • GeForce RTX 2070 Super
    113.30 GP/s
  • GeForce GT 640
    7.22 GP/s

GigaPixels - higher is better

Texel Rate

  • GeForce RTX 2070 Super
    283.20 GT/s
  • GeForce GT 640
    28.90 GT/s

GigaTexels - higher is better

Memory bandwidth

  • GeForce RTX 2070 Super
    448.00 GB/s
  • GeForce GT 640
    28.50 GB/s

GB/s - higher is better

Single precision performance

  • GeForce RTX 2070 Super
    9060.00 GFLOPs
  • GeForce GT 640
    692.70 GFLOPs

GFLOPs - higher is better