GeForce GT 1030 DDR4 vs GeForce GT 645 OEM

GeForce GT 1030 DDR4
Memory: 2048Mb DDR4DESKTOP
Release date: 12 Mar 2018
GeForce GT 1030 DDR4
GeForce GT 645 OEM
Memory: 1024Mb GDDR5DESKTOP
Release date: 24 Apr 2012
GeForce GT 645 OEM

Summary

Reasons to consider GeForce GT 1030 DDR4

82 watts lower power draw. This might be a strong point if your current power supply is not enough to handle the GeForce GT 645 OEM .
This is a much newer product, it might have better long term support.
Supports PhysX
Supports G-Sync
Supports ShadowPlay (allows game streaming/recording with minimum performance penalty)
Supports Direct3D 12 Async Compute
Based on an outdated architecture (Nvidia Pascal), there may be no performance optimizations for current games and applications

Reasons to consider GeForce GT 645 OEM

Supports PhysX
Based on an outdated architecture (Nvidia Fermi), there are no performance optimizations for current games and applications

No clear winner declared

We have no data to declare a winner at this time.


Specifications

Core Configuration

GeForce GT 1030 DDR4GeForce GT 645 OEM
GPU NameGP108 (GP108-310-A1)vsGF114 ()
Fab Process14 nmvs40 nm
Die Size74 mm²vs332 mm²
Transistors1,800 millionvs1,950 million
Shaders384vs288
Compute Units3vs6
Core clock1152 MHzvs776 MHz
ROPs16vs24
TMUs24vs48

Memory Configuration

GeForce GT 1030 DDR4GeForce GT 645 OEM
Memory TypeDDR4vsGDDR5
Bus Width64 bitvs192 bit
Memory Speed1050 MHz
2100 MHz effective
vs957 MHz
3828 MHz effective
Memory Size2048 Mbvs1024 Mb

Additional details

GeForce GT 1030 DDR4GeForce GT 645 OEM
TDP20 wattsvs102 watts
Release Date12 Mar 2018vs24 Apr 2012

Raw Performance comparison

Pixel Rate

  • GeForce GT 1030 DDR4
    22.06 GP/s
  • GeForce GT 645 OEM
    9.31 GP/s

GigaPixels - higher is better

Texel Rate

  • GeForce GT 1030 DDR4
    33.10 GT/s
  • GeForce GT 645 OEM
    37.20 GT/s

GigaTexels - higher is better

Memory bandwidth

  • GeForce GT 1030 DDR4
    16.80 GB/s
  • GeForce GT 645 OEM
    91.90 GB/s

GB/s - higher is better

Single precision performance

  • GeForce GT 1030 DDR4
    1059.00 GFLOPs
  • GeForce GT 645 OEM
    894.00 GFLOPs

GFLOPs - higher is better