Black metal and death metal are both extreme forms of heavy metal, but they do not aim for exactly the same musical effect. A listener comparing them will usually notice differences in guitar technique, vocal approach, drumming, production and subject matter. Those differences are useful signposts, not strict rules: individual bands can borrow from several traditions, and the labels have changed over time.
The short answer
Black metal commonly emphasizes tremolo-picked guitar lines, high-pitched screamed vocals, fast drumming and an intentionally raw or atmospheric presentation. Death metal commonly emphasizes low-tuned and heavily distorted guitars, deep growled vocals, forceful drumming and abrupt changes in rhythm or meter. Both descriptions cover broad scenes rather than every recording.
The easiest way to begin is to compare several representative records instead of expecting a single checklist to identify every song. Production choices, regional scenes and later crossover styles make the boundary flexible.
Guitar sound and riffing
Black metal guitar parts often use tremolo picking: a pick moves rapidly across a note or a small group of notes. The technique can create a continuous, icy or swirling texture. Chords may use dissonance or minor-key movement, and riffs may repeat to build atmosphere. The guitar is not always mixed as a thick wall; some recordings leave room for hiss, room sound or other layers.
Death metal guitar parts are often lower in register and more heavily distorted. Palm-muted figures, rapid passages and chromatic movement are common listening clues. A death-metal song may move suddenly between a fast section, a slower breakdown-like passage and a technical or harmonized guitar part. These are tendencies rather than requirements. Some death-metal groups use atmospheric guitar writing, while some black-metal groups use a dense, low guitar tone.
When comparing the two styles, listen first to the guitar's role. Black metal often uses the guitar to establish distance and atmosphere. Death metal often puts the weight and physical impact of the riff closer to the front of the mix.
Vocals
Black-metal vocals are frequently high, rasped screams or shrieks. They may sound deliberately distant, especially on recordings that favor a thin, abrasive or echoing vocal treatment. Clean singing appears in some black-metal substyles, and vocal approaches vary widely across the international scene.
Death-metal vocals are frequently low growls, gutturals or harsh roars. The delivery can be rhythmic and tightly locked to the riff, though some singers use higher screams as well. Vocal range alone cannot identify a record: blackened death metal, melodic death metal and other hybrids combine approaches from both traditions.
A useful beginner test is to hear how the vocal sits in the composition. Black-metal vocals may function as another texture inside the atmosphere. Death-metal vocals often sound more like a forceful rhythmic layer, but the production and performer matter as much as the genre label.
Drums and song structure
Both styles can be very fast, but speed is not a sufficient distinction. Black metal is strongly associated with blast beats and sustained high-speed passages that support a continuous, driving surface. It may also use slower sections to create contrast or a ritual-like sense of space.
Death metal also uses blast beats, double-kick patterns and fast fills, but its arrangements frequently spotlight abrupt stops, tempo changes and shifts in time or accent. A song may alternate between a tightly controlled technical passage and a heavy, slower riff. Again, many groups break the pattern, so these are listening aids rather than rules.
Try following the drummer rather than counting the beats. Ask whether the percussion sustains a long, atmospheric rush or highlights sharp structural turns. That question can help, but it will not replace listening to the whole arrangement.
Production and atmosphere
Some early and influential black-metal recordings are known for sparse, abrasive or low-budget production. That sound became an aesthetic choice for parts of the scene, although black metal also includes polished, orchestral, progressive and atmospheric recordings. The genre cannot be reduced to poor sound quality.
Death-metal recordings often foreground low-end weight, guitar definition and drum impact. Modern productions may be precise and highly edited, while older and underground recordings can be rough or murky. Production is therefore a clue, not a classification test. A polished black-metal album and a raw death-metal demo can overlap more than a simple genre guide suggests.
Themes and imagery
Black metal has often used themes involving nature, isolation, spirituality, mythology, anti-religious ideas or darkness. The exact meaning changes by artist and scene, and visual imagery should not be treated as proof of a band's sound or beliefs.
Death metal has often explored death, violence, horror, anatomy, war or other disturbing subjects. Some bands use those topics as fiction, social commentary or genre storytelling; others focus on philosophy, history or personal experience. Lyrics and imagery can overlap with black metal, so the musical elements remain important.
How to explore both styles
Start with one accessible recording from each style, then add an older and a newer example. Take notes on guitar register, vocal range, drum patterns and production rather than relying on album artwork. Band and label descriptions can help you find related records, but listening is the best way to decide which details matter to you.
If you enjoy black metal's atmosphere, try atmospheric, melodic or progressive branches. If you prefer death metal's weight and structural turns, explore melodic, technical or old-school branches. These are discovery paths, not rankings. The styles have substantial internal variety, and a listener can enjoy both without choosing one as the “correct” version of extreme metal.
Sources
- Wikipedia, “Black metal”: https://en.wikipedia.org/wiki/Black_metal
- Wikipedia, “Death metal”: https://en.wikipedia.org/wiki/Death_metal