GPU Wiki

AMD Radeon RX 6800 XT vs GeForce RTX 3080

Select up to four GPU Wiki entries to compare matching specifications row by row. The comparison uses the site database and keeps generation-specific specs visibly separate.

Swap Clear

Key Differences

  • AMD Radeon RX 6800 XT has more Memory size (16 GB vs 10 GB).
  • GeForce RTX 3080 has more Memory bandwidth (760.3 GB/s vs 512.0 GB/s).
  • Boost clock: AMD Radeon RX 6800 XT has 2250 MHz; GeForce RTX 3080 has 1,710 MHz.
  • TDP / TBP / board power: AMD Radeon RX 6800 XT has 300 W; GeForce RTX 3080 has 320 W.
  • Architecture: AMD Radeon RX 6800 XT has RDNA 2; GeForce RTX 3080 has Ampere.
  • Launch date: AMD Radeon RX 6800 XT has 2020-11-18; GeForce RTX 3080 has 2020-09-01.
Row order:
Muted cells indicate unavailable, not applicable, or not directly comparable specifications.
Spec AMD Radeon RX 6800 XT AMD GeForce RTX 3080
Overview
Product name AMD Radeon RX 6800 XT NVIDIA GeForce RTX 3080
Architecture RDNA 2 Ampere
Generation / family Radeon RX 6000 Series GeForce RTX 30 Series
GPU codename Navi 21 XT GA102
Launch date 2020-11-18 2020-09-01
Launch MSRP 649 Unknown
Market segment Desktop, Enthusiast Desktop, High End in GeForce RTX 30 Series
Board type / entry type Reference GPU Reference GPU
GPU
Process node 7 nm Samsung 8 nm
Die size 520 mm² 628 mm²
Transistor count 26800 million 28.3 billion
GPU chip Navi 21 GA102
SM / multiprocessor count 72 68
Shader processors Raw counts do not scale linearly across architectures or generations. 4608 Stream Processors 8704 CUDA Cores
AI units Dedicated AI silicon differs significantly across vendors. Not directly comparable. Unknown AI Accelerators 272 Tensor Cores
RT units Dedicated RT unit counts do not scale the same way across vendors. 72 Ray Accelerators 68 RT Cores
ROPs 128 96
TMUs 256 272
Clocks
Base / Core clock 1825 MHz 1,440 MHz
Boost clock 2250 MHz 1,710 MHz
Memory clock 2000 MHz 1,188 MHz
Memory
Memory size 16 GB 10 GB
Memory type GDDR6 GDDR6X
Memory bus width 256-bit 320-bit
Memory bandwidth 512.0 GB/s 760.3 GB/s
Bus / Interface
Bus interface PCIe 4.0 x16 PCIe 4.0 x16
AGP / PCI / PCIe distinction PCIe PCIe
Power
TDP / TBP / board power 300 W 320 W
Recommended PSU 700 W 700 W
Power connectors 2x 8-pin 1x 12-pin
Slot width Dual-slot Dual-slot, 285 mm length, 40 mm width
Display / Media
Display outputs 1x HDMI 2.1, 2x DisplayPort 1.4a, 1x USB Type-C 1x HDMI 2.1, 3x DisplayPort 1.4a
Features
DirectX support DirectX 12 Ultimate DirectX 12.2
OpenGL support OpenGL 4.6 OpenGL 4.6
Vulkan support Vulkan 1.3 Vulkan 1.4
CUDA support Not applicable 8.6
Shader Model 6.8 6.8
Ray tracing support Hardware RT units present Hardware RT units present
Performance / Benchmarks
FP32 throughput 18.43 TFLOPS 29.77 TFLOPS
FP16 throughput 41.47 TFLOPS 29.77 TFLOPS

© 2026 NVIDIA Club. Independent GPU history, guides, and hardware knowledge.

NVIDIA Club is an independent enthusiast and technical knowledge site. It is not affiliated with, endorsed by, or sponsored by NVIDIA Corporation.