GPU Wiki

GeForce RTX 3080 vs AMD Radeon RX 6800 XT

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