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Radeon RX 6700 XT vs Radeon RX 7800 XT: specs and benchmark comparison

AAMD · RDNA 2

AMD Radeon RX 6700 XT

  • 12 GB GDDR6
  • 230 W
  • PSU 650 W+

March 1, 2021 · $479 at launch

BAMD · RDNA 3

AMD Radeon RX 7800 XT

  • 16 GB GDDR6
  • 263 W
  • PSU 700 W+

September 6, 2023 · $499 at launch

Short verdict

AMD Radeon RX 7800 XT leads in every scenario with comparable benchmarks: rendering and compute. This does not imply an advantage in tasks without benchmarks.

Compare with AI
← Radeon RX 6700 XTRadeon RX 7800 XT →
  • Rendering and compute

    B +72.7%

    AMD Radeon RX 7800 XT leads in this scenario (up to 72.7% in comparable benchmarks).

No comparable benchmarks yet: gaming: rasterization, gaming: ray tracing, power efficiency.

Advantages

Only measured and rated values: a noticeable benchmark gap and specs where more is better.

Where Radeon RX 6700 XT is better2

  • Board power 33 W lower230 W (TBP) vs 263 W (TBP)

  • Launch price $20 lower$479 vs $499

Where Radeon RX 7800 XT is better6

  • Blender Benchmark 4.5.0 67% faster2,463 samples/min vs 1,475 samples/min

  • Compute units 20 more60 CU vs 40 CU

  • Video memory 4 GB more16 GB vs 12 GB

  • Memory bus 64 bit more256 bit vs 192 bit

  • Memory speed 3.5 Gbps more19.5 Gbps vs 16 Gbps

  • Memory bandwidth 240 GB/s more624 GB/s vs 384 GB/s

Benchmarks

Results are compared within one benchmark, one version and the same conditions.

  • Blender Benchmark 4.5.0

    GPU, sum of scenes monster + junkshop + classroom (OptiX / HIP / oneAPI / Metal) · samples/min, higher is better

    B ahead by 67%

    Position among tested models (13, HIP)

    A · 1,475B · 2,463
    02,0004,0006,000
    Each dot is one model’s median in this benchmark. The scale starts at zero, samples/min.

    AMD Radeon RX 7800 XT is ahead by 67% in this benchmark.

    About the measurement and source
    A · AMD Radeon RX 6700 XT

    1,474.8 samples/min · community measurement, sample 78 · November 14, 2026

    Blender Open Data (Blender Foundation)

    Median of 78 submissions (7 outliers excluded), interquartile range 1434.95–1506.09; submissions 2025-07-18 to 2026-03-03; HIP backend. Snapshot 2026-11-14.

    B · AMD Radeon RX 7800 XT

    2,462.8 samples/min · community measurement, sample 111 · November 14, 2026

    Blender Open Data (Blender Foundation)

    Median of 111 submissions (1 outliers excluded), interquartile range 2379.51–2532.47; submissions 2025-07-18 to 2026-04-08; HIP backend. Snapshot 2026-11-14.

    difference = |A − B| ÷ the smaller value × 100%. The 5% noticeable threshold is a UX heuristic, not statistical significance.

    Cycles render in Blender Benchmark. Median of the sum of samples per minute over three scenes after removing outliers.

Other comparable benchmarks (7)
BenchmarkABDifference
Blender Benchmark 4.2.0GPU, sum of scenes monster + junkshop + classroom (OptiX / HIP / oneAPI / Metal)1,609.42,436.1B +51.4%
Blender Benchmark 5.2.0GPU, sum of scenes monster + junkshop + classroom (OptiX / HIP / oneAPI / Metal)1,645.92,841.9B +72.7%
Blender Benchmark 3.6.0GPU, sum of scenes monster + junkshop + classroom (OptiX / HIP / oneAPI / Metal)1,570.32,422.3B +54.3%
Blender Benchmark 4.0.0GPU, sum of scenes monster + junkshop + classroom (OptiX / HIP / oneAPI / Metal)1,521.42,264.5B +48.8%
Blender Benchmark 4.1.0GPU, sum of scenes monster + junkshop + classroom (OptiX / HIP / oneAPI / Metal)1,643.72,413B +46.8%
Blender Benchmark 4.3.0GPU, sum of scenes monster + junkshop + classroom (OptiX / HIP / oneAPI / Metal)1,597.82,438.9B +52.6%
Blender Benchmark 4.4.0GPU, sum of scenes monster + junkshop + classroom (OptiX / HIP / oneAPI / Metal)1,4672,454.8B +67.3%

Each benchmark version has its own scale: numbers are compared only within a row.

Reference results (12)
BenchmarkABDifference
Blender Benchmark 5.1.1GPU, sum of scenes monster + junkshop + classroom (OptiX / HIP / oneAPI / Metal)1,753.42,876.3reference
Blender Benchmark 3.0.1GPU, sum of scenes monster + junkshop + classroom (OptiX / HIP / oneAPI / Metal)1,359.5—no pair
Blender Benchmark 3.1.0GPU, sum of scenes monster + junkshop + classroom (OptiX / HIP / oneAPI / Metal)1,227.6—no pair
Blender Benchmark 3.1.2GPU, sum of scenes monster + junkshop + classroom (OptiX / HIP / oneAPI / Metal)1,392.3—no pair
Blender Benchmark 3.2.0GPU, sum of scenes monster + junkshop + classroom (OptiX / HIP / oneAPI / Metal)1,457.8—no pair
Blender Benchmark 3.2.1GPU, sum of scenes monster + junkshop + classroom (OptiX / HIP / oneAPI / Metal)1,465.6—no pair
Blender Benchmark 3.3.0GPU, sum of scenes monster + junkshop + classroom (OptiX / HIP / oneAPI / Metal)1,307.3—no pair
Blender Benchmark 3.4.0GPU, sum of scenes monster + junkshop + classroom (OptiX / HIP / oneAPI / Metal)1,539.72,358.7reference
Blender Benchmark 3.5.0GPU, sum of scenes monster + junkshop + classroom (OptiX / HIP / oneAPI / Metal)1,534.42,343.9reference
Blender Benchmark 5.0.0GPU, sum of scenes monster + junkshop + classroom (OptiX / HIP / oneAPI / Metal)1,345.62,210.8reference
Blender Benchmark 5.1.0GPU, sum of scenes monster + junkshop + classroom (OptiX / HIP / oneAPI / Metal)1,738.22,870.9reference
Blender Benchmark 5.3.0GPU, sum of scenes monster + junkshop + classroom (OptiX / HIP / oneAPI / Metal)1,629.7—no pair

Each benchmark version has its own scale: numbers are compared only within a row.

Specifications

Chip

  • Architecture

    ARDNA 2

    BRDNA 3

    differs
  • Compute units

    A40 CU

    B60 CU

    B: 20 more

    SM (NVIDIA), CU (AMD) and Xe-core (Intel) are different units and are not compared numerically across vendors.

  • Shader units

    A2,560 (Stream processors)

    B3,840 (Stream processors)

    not directly comparable

    Shader unit counts are comparable only within one architecture.

Clocks

  • Base clock

    A2,321 MHz

    Bno data

    no data for B
  • Game Clock (AMD)

    A2,424 MHz

    B2,124 MHz

    A: 300 MHz more
  • Boost clock

    A2,581 MHz

    B2,430 MHz

    A: 151 MHz more

    Clocks of different architectures do not reflect performance directly. For laptop chips, the clock depends on the laptop’s power limit.

Memory

  • Video memory

    A12 GB

    B16 GB

    B: 4 GB more
  • Memory type

    AGDDR6

    BGDDR6

    equal
  • Memory bus

    A192 bit

    B256 bit

    B: 64 bit more
  • Memory speed

    A16 Gbps

    B19.5 Gbps

    B: 3.5 Gbps more
  • Memory bandwidth

    A384 GB/s

    B624 GB/s

    B: 240 GB/s more

    Excludes cache (Infinity Cache / L2), which affects effective bandwidth differently.

Power and dimensions

  • Board power

    A230 W (TBP)

    B263 W (TBP)

    B: 33 W higher

    TGP (NVIDIA) and TBP (AMD/Intel) are calculated differently; higher is not better. For laptops, the chip maker sets the range and the laptop maker picks the value, so the same chip behaves differently in different laptops.

  • Recommended PSU

    A650 W

    B700 W

    B: 50 W higher
  • Length (reference / Founders Edition)

    A267 mm

    Bno data

    no data for B

    Partner cards have different dimensions; check the specific SKU.

  • Thickness (slots)

    A2

    Bno data

    no data for B
  • Power connectors (reference)

    A1x 8-pin + 1x 6-pin (reference card)

    Bno data

    no data for B

“More” does not always mean “better”: higher power draw or size is a system requirement, not an advantage (such bars are dimmed).

Compare with AI

An AI model reviews the specs and benchmarks of this pair and gives a plain-language verdict on who each model suits.

AI verdict

Questions and answers

How much video memory do AMD Radeon RX 6700 XT and AMD Radeon RX 7800 XT have?

AMD Radeon RX 6700 XT: 12 GB GDDR6, 192-bit bus. AMD Radeon RX 7800 XT: 16 GB GDDR6, 256-bit bus.

What power supply does the manufacturer recommend?

For AMD Radeon RX 6700 XT, 650 W or more; for AMD Radeon RX 7800 XT, 700 W or more. This is a recommendation for a typical system; also check the power connectors of the specific card model.

Which is faster: AMD Radeon RX 6700 XT or AMD Radeon RX 7800 XT?

AMD Radeon RX 7800 XT leads in every scenario with comparable benchmarks: rendering and compute. This does not imply an advantage in tasks without benchmarks.

Data sources (3)
  • AMD — specifications of AMD Radeon RX 6700 XT, specifications of AMD Radeon RX 7800 XTchecked November 7, 2026
  • Blender Open Data (Blender Foundation) — benchmark Blender Benchmark 4.2.0, benchmark Blender Benchmark 4.5.0, benchmark Blender Benchmark 5.1.1, benchmark Blender Benchmark 5.2.0, benchmark Blender Benchmark 3.4.0, benchmark Blender Benchmark 3.5.0, benchmark Blender Benchmark 3.6.0, benchmark Blender Benchmark 4.0.0, benchmark Blender Benchmark 4.1.0, benchmark Blender Benchmark 4.3.0, benchmark Blender Benchmark 4.4.0, benchmark Blender Benchmark 5.0.0, benchmark Blender Benchmark 5.1.0, benchmark Blender Benchmark 3.0.1, benchmark Blender Benchmark 3.1.0, benchmark Blender Benchmark 3.1.2, benchmark Blender Benchmark 3.2.0, benchmark Blender Benchmark 3.2.1, benchmark Blender Benchmark 3.3.0, benchmark Blender Benchmark 5.3.0checked November 14, 2026
  • Wikipedia (English) — release date and launch pricechecked November 14, 2026

How we compare: methodology. Where the data comes from: sources.

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