Orthodox vs Protestant Christian Traditions Compared
Orthodox Christians hold Scripture within Holy Tradition and worship through the Divine Liturgy with icons under the guidance of bishops in self-governing churches, while Protestants hold Scripture alone as final authority and vary across denominations in worship and church order. Both traditions share foundational Christian affirmations. Both confess the Trinity, the deity and resurrection of Jesus, and the Nicene Creed's affirmation of one God in three persons.
Both hold the Bible as sacred Scripture and share the same twenty-seven books in the New Testament. Both baptize with water in the name of the Father, the Son, and the Holy Spirit. Neither communion is led by a pope.
At Find A Prayer, we write for readers who want to understand how these two historic branches of the Christian faith differ in daily practice and doctrine. The separation between the two paths involves distinct historical moments and views of authority. The Eastern Orthodox Church separated from the Catholic Church in the Great Schism, dated to 1054, while Protestantism traces its origins to the sixteenth-century Reformation that began when Martin Luther published the Ninety-five Theses in 1517.
What the Orthodox Church Practices
Orthodox Christians hold Scripture within Holy Tradition, worship through the Divine Liturgy with icons, and are led by bishops in self-governing churches, while Protestants hold Scripture alone as final authority and vary widely in worship and church government. The Eastern Orthodox Church is a communion of self-governing churches, among them the Greek, Russian, Serbian, Romanian, and Antiochian Orthodox churches. Orthodox churches have no pope. The Ecumenical Patriarch of Constantinople holds a place of honor as first among equals among the Orthodox bishops.
Orthodox Christians accept the first seven ecumenical councils, spanning from Nicaea in 325 to Nicaea II in 787. They reject the addition of the phrase 'and the Son' (the Filioque) to the Nicene Creed. Worship in an Orthodox parish centers on the Divine Liturgy. Orthodox churches commonly have an icon screen, called an iconostasis, between the nave and the altar area.
Orthodox churches use icons in worship and teach that icons may be venerated, a practice affirmed at the Second Council of Nicaea in 787. Orthodox theology speaks of theosis, the believer's growth into union with God. The church does not teach Purgatory as the Catholic Church defines it, and it prays for the departed. Orthodox sacramental life recognizes seven major mysteries, including Baptism, Chrismation, and the Eucharist.
Orthodox parishes baptize infants by water, anoint them with chrism in Chrismation, and give them Communion. Orthodox priests may marry before ordination, whereas bishops are chosen from unmarried men, often from among monastics. Only men are ordained to the priesthood. Orthodox Christians celebrate Pascha as the greatest feast of the church year, often on a date different from Western Easter because many Orthodox bodies calculate the date using the Julian calendar.
What Protestant Churches Practice
Protestantism began in the sixteenth century during the Reformation, marked by Martin Luther publishing the Ninety-five Theses in 1517. Protestantism includes many denominations, among them Lutheran, Presbyterian and Reformed, Baptist, Methodist, and others. Across these varied groups, Protestants emphasize Scripture alone as the final authority for Christian faith and life, alongside salvation by grace alone through faith alone.
Protestant Bibles contain sixty-six books, and Protestants and Orthodox Christians share twenty-seven New Testament books. Protestant theology teaches the priesthood of all believers. Most Protestant churches recognize two sacraments or ordinances, which are Baptism and the Lord's Supper.
Views on these rites differ among Protestant traditions. Lutherans teach that Christ is really present in the bread and wine of the Lord's Supper. Many Baptist churches treat the Lord's Supper as a memorial.
Baptismal practices also vary across denominations. Lutheran, Presbyterian, and Methodist churches baptize infants, while Baptist churches baptize believers who make a personal profession of faith. The Reformed tradition, which includes Presbyterian churches, emphasizes the sovereignty of God and the authority of Scripture.
Worship styles range widely. Lutheran and Anglican churches maintain liturgical worship, whereas many Baptist and nondenominational congregations employ less formal worship, with worship in many churches centering on the reading and preaching of Scripture. Protestant clergy may marry, and many Protestant church bodies ordain women to ministry.
Authority, Holy Tradition, and Scripture
The main difference is authority. Orthodox Christians hold Scripture within Holy Tradition. Orthodox Christians accept the first seven ecumenical councils, from Nicaea in 325 to Nicaea II in 787.
Protestants emphasize Scripture alone as the final authority. Orthodoxy is a communion of self-governing churches led by bishops, with no pope. Protestant denominations differ from one another on church government, and their churches have no pope.
Patterns of Worship, Saints, and Sacraments
Orthodox churches use icons in worship. The icon screen, called an iconostasis, stands between the nave and the altar area. Orthodox churches teach that icons may be venerated, a practice affirmed at the council of 787.
They honor Mary, whom they name Theotokos (God-bearer), and ask her and the saints to intercede for them in prayer before God. Protestant practice differs. Protestant worship in many churches centers on the reading and preaching of Scripture.
Many Protestant churches make little or no use of icons in worship, and they do not pray to saints, though many Protestant traditions honor them. Sacramental practice also differs. Orthodox churches baptize infants and then anoint them with chrism in Chrismation and give them Communion.
Denominations such as Presbyterian, Lutheran, and Methodist churches baptize infants, but Protestant views on the Lord's Supper differ. In Baptist churches, baptism is administered to believers who profess faith.
Readers Who Need Pastoral Guidance
A reader who needs guidance on joining a church should ask an Orthodox priest or a Protestant pastor.
Conditions That Shift the Decision
A reader's decision between an Orthodox parish and a Protestant church depends on how they weigh Holy Tradition against Scripture alone. If your primary conviction is that Christian doctrine must be evaluated solely against the written text of the Bible, Protestant churches hold that standard. That approach aligns with holding Scripture alone as final authority, many churches making little or no use of icons, and not praying to saints.
Conversely, if your priority is participating in the Divine Liturgy under the guidance of bishops in self-governing churches, the Eastern Orthodox Church provides that framework. Orthodoxy appeals to those who hold Scripture within Holy Tradition, receive the mysteries from infancy, and worship through the Divine Liturgy. A change in personal conviction regarding the authority of the first seven ecumenical councils versus the principle of Scripture alone may shift your choice between these two traditions.
Orthodox vs Protestant: at a glance
| Factor | Orthodox | Protestant |
|---|---|---|
| Authority | Scripture within Holy Tradition and the first seven ecumenical councils | Scripture alone as the final authority, alongside grace alone and faith alone |
| New Testament books | 27 books | 27 books; Protestant Bibles contain 66 books in all |
| Church Government | Communion of self-governing churches led by bishops; Ecumenical Patriarch is first among equals | Many denominations with varied church government; Protestant churches have no pope |
| Worship Focus | Divine Liturgy, commonly with an iconostasis and veneration of icons affirmed at Nicaea II in 787 | Reading and preaching of Scripture, with little or no use of icons in worship |
| Sacraments or Ordinances | Counts seven major mysteries, including Baptism, Chrismation, and the Eucharist | Recognizes two sacraments or ordinances, Baptism and the Lord's Supper |
| Infant baptism | Baptizes infants, then anoints them with chrism and gives them Communion | Some baptize infants (Lutherans, Presbyterians, Methodists); Baptists baptize professing believers |
| Clergy and Marriage | Priests may marry before ordination; bishops are unmarried; only men are ordained priests | Clergy may marry; many denominations ordain women depending on church body |
| Saints and Mary | Honors Mary as Theotokos (God-bearer), honors saints, and asks saints for their prayers | Honors saints in many bodies, but does not pray to saints |
Verdict: Orthodox vs Protestant
Choose Eastern Orthodoxy if you seek worship centered on the Divine Liturgy, veneration of icons, the guidance of bishops in self-governing churches, and Scripture read within Holy Tradition. Choose Protestantism if you hold Scripture alone as your final authority, value the priesthood of all believers, and prefer worship centered on the preaching of the Word without prayers to saints.
The basis is each tradition's published teaching, summarized by the Find A Prayer editorial team. Next, read the prayers for faith.
Frequently asked questions
What is the main difference between Orthodox and Protestant?
The main difference between Orthodox and Protestant Christians centers on authority, tradition, and worship. Orthodox Christians hold Scripture within Holy Tradition and accept the first seven ecumenical councils. They worship through the Divine Liturgy with icons and seven major mysteries. Protestants hold Scripture alone as their final authority, alongside faith alone and grace alone. Protestant worship centers on the reading and preaching of Scripture, recognizing two sacraments, Baptism and the Lord's Supper, with wide variation among denominations in church government.
Do Orthodox Christians have a pope?
Orthodox Christians do not have a pope. The Eastern Orthodox Church is a communion of self-governing churches, such as the Greek, Russian, Antiochian, Serbian, and Romanian Orthodox churches. Each self-governing body is led by its own bishops. The Ecumenical Patriarch of Constantinople holds a place of honor as first among equals among the Orthodox bishops. Protestant churches likewise have no pope, and denominations differ from one another on church government.
Do Orthodox Christians believe in sola scriptura?
Orthodox Christians hold Scripture within Holy Tradition, while Protestants emphasize Scripture alone as the final authority. Orthodox Christians read Scripture within the life of the Church. Orthodox Christians accept the first seven ecumenical councils and center worship on the Divine Liturgy. In contrast, Protestants emphasize Scripture alone as final authority alongside grace alone and faith alone.
Do Orthodox Christians use the same Bible as Protestants?
Orthodox Christians and Protestants share the same twenty-seven books in the New Testament. Protestant Bibles contain sixty-six books in total, including twenty-seven books in the New Testament. Both hold the Bible as sacred Scripture, while Orthodox Christians read Scripture within Holy Tradition and Protestants hold Scripture alone as final authority.
Do Orthodox Christians pray to saints and use icons?
Orthodox Christians use icons in worship and teach that icons may be venerated, a practice officially affirmed at the Second Council of Nicaea in 787. Orthodox churches commonly have an icon screen, called an iconostasis, between the nave and the altar area. Orthodox believers ask Mary, whom they call Theotokos (God-bearer), and the saints to pray to God on their behalf. Protestant churches generally make little or no use of icons in worship. Protestants do not pray to saints, though many honor them.
Can Orthodox priests marry?
Orthodox priests may be married, provided their marriage takes place before they are ordained to the priesthood. Orthodox bishops are chosen from unmarried men, often from among the monastics. In Protestantism, clergy may marry. Additionally, many Protestant denominations ordain women as pastors and ministers, whereas the Orthodox Church ordains only men to the priesthood.
Why is Orthodox Easter on a different date?
Orthodox Easter, known within the Orthodox Church as Pascha, often falls on a different calendar date than Western Easter because many Orthodox churches calculate the date of Pascha using the Julian calendar. Pascha is celebrated as the greatest feast of the entire Orthodox liturgical year.
Is Orthodox the same as Catholic?
Orthodox Christianity is not the same as Catholicism. The Eastern Orthodox Church and the Catholic Church separated in the Great Schism, dated to 1054. The Orthodox Church has no pope, and the Ecumenical Patriarch of Constantinople holds a place of honor as first among equals. The Orthodox Church rejects the addition of the Filioque (and the Son) to the Nicene Creed, does not teach Purgatory as the Catholic Church defines it, and baptizes infants then anoints them with chrism and gives them Communion.