AMD Radeon RX 6900 XT vs NVIDIA GeForce RTX 3080

Comparative analysis of AMD Radeon RX 6900 XT and NVIDIA GeForce RTX 3080 videocards for all known characteristics in the following categories: Essentials, Technical info, Video outputs and ports, Compatibility, dimensions and requirements, API support, Memory. Benchmark videocards performance analysis: PassMark - G2D Mark, PassMark - G3D Mark, Geekbench - OpenCL, CompuBench 1.5 Desktop - Face Detection (mPixels/s), CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s), CompuBench 1.5 Desktop - T-Rex (Frames/s), CompuBench 1.5 Desktop - Video Composition (Frames/s), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s), GFXBench 4.0 - Car Chase Offscreen (Frames), GFXBench 4.0 - Manhattan (Frames), GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - Car Chase Offscreen (Fps), GFXBench 4.0 - Manhattan (Fps), GFXBench 4.0 - T-Rex (Fps), 3DMark Fire Strike - Graphics Score.

 

Differences

Reasons to consider the AMD Radeon RX 6900 XT

  • Videocard is newer: launch date 1 month(s) later
  • Around 27% higher core clock speed: 1825 MHz vs 1440 MHz
  • Around 32% higher boost clock speed: 2250 MHz vs 1710 MHz
  • Around 55% higher texture fill rate: 720.0 GTexel/s vs 465.1 GTexel/s
  • A newer manufacturing process allows for a more powerful, yet cooler running videocard: 7 nm vs 8 nm
  • Around 7% lower typical power consumption: 300 Watt vs 320 Watt
  • Around 60% higher maximum memory size: 16 GB vs 10 GB
  • Around 68% higher memory clock speed: 2000 MHz (16 Gbps effective) vs 1188 MHz (19 Gbps effective)
  • Around 9% better performance in PassMark - G2D Mark: 1085 vs 994
  • Around 8% better performance in PassMark - G3D Mark: 25877 vs 24011
Specifications (specs)
Launch date 28 Oct 2020 vs 1 Sep 2020
Core clock speed 1825 MHz vs 1440 MHz
Boost clock speed 2250 MHz vs 1710 MHz
Texture fill rate 720.0 GTexel/s vs 465.1 GTexel/s
Manufacturing process technology 7 nm vs 8 nm
Thermal Design Power (TDP) 300 Watt vs 320 Watt
Maximum memory size 16 GB vs 10 GB
Memory clock speed 2000 MHz (16 Gbps effective) vs 1188 MHz (19 Gbps effective)
Benchmarks
PassMark - G2D Mark 1085 vs 994
PassMark - G3D Mark 25877 vs 24011

Reasons to consider the NVIDIA GeForce RTX 3080

  • Around 70% higher pipelines: 8704 vs 5120
Pipelines 8704 vs 5120

Compare benchmarks

GPU 1: AMD Radeon RX 6900 XT
GPU 2: NVIDIA GeForce RTX 3080

PassMark - G2D Mark
GPU 1
GPU 2
1085
994
PassMark - G3D Mark
GPU 1
GPU 2
25877
24011
Name AMD Radeon RX 6900 XT NVIDIA GeForce RTX 3080
PassMark - G2D Mark 1085 994
PassMark - G3D Mark 25877 24011
Geekbench - OpenCL 180999
CompuBench 1.5 Desktop - Face Detection (mPixels/s) 582.401
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) 6745.122
CompuBench 1.5 Desktop - T-Rex (Frames/s) 53.526
CompuBench 1.5 Desktop - Video Composition (Frames/s) 176.953
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) 1961.892
GFXBench 4.0 - Car Chase Offscreen (Frames) 32788
GFXBench 4.0 - Manhattan (Frames) 3714
GFXBench 4.0 - T-Rex (Frames) 3358
GFXBench 4.0 - Car Chase Offscreen (Fps) 32788
GFXBench 4.0 - Manhattan (Fps) 3714
GFXBench 4.0 - T-Rex (Fps) 3358
3DMark Fire Strike - Graphics Score 17694

Compare specifications (specs)

AMD Radeon RX 6900 XT NVIDIA GeForce RTX 3080

Essentials

Architecture RDNA 2.0 Ampere
Code name Navi 21 GA102
Launch date 28 Oct 2020 1 Sep 2020
Launch price (MSRP) $999 $699
Place in performance rating 1 8
Type Desktop Desktop

Technical info

Boost clock speed 2250 MHz 1710 MHz
Compute units 80
Core clock speed 1825 MHz 1440 MHz
Manufacturing process technology 7 nm 8 nm
Peak Double Precision (FP64) Performance 1440 GFLOPS (1:16) 465.1 GFLOPS (1:64)
Peak Half Precision (FP16) Performance 46.08 TFLOPS (2:1) 29.77 TFLOPS (1:1)
Peak Single Precision (FP32) Performance 23.04 TFLOPS 29.77 TFLOPS
Pipelines 5120 8704
Pixel fill rate 288.0 GPixel/s 164.2 GPixel/s
Texture fill rate 720.0 GTexel/s 465.1 GTexel/s
Thermal Design Power (TDP) 300 Watt 320 Watt
Transistor count 26800 million 28300 million

Video outputs and ports

Display Connectors 1x HDMI, 2x DisplayPort, 1x USB Type-C 1x HDMI, 3x DisplayPort

Compatibility, dimensions and requirements

Form factor Triple-slot
Height 50 mm (2 inches) 112 mm (4.4 inches)
Interface PCIe 4.0 x16 PCIe 4.0 x16
Length 267 mm (10.5 inches) 285 mm (11.2 inches)
Recommended system power (PSU) 700 Watt 700 Watt
Supplementary power connectors 2x 8-pin 1x 12-pin
Width 120 mm (4.7 inches) Dual-slot

API support

DirectX 12.2 12.1
OpenCL 2.1 2.0
OpenGL 4.6 4.6
Shader Model 6.5 6.5
Vulkan

Memory

Maximum RAM amount 16 GB 10 GB
Memory bandwidth 512 GB/s 760.3 GB/s
Memory bus width 256 bit 320 bit
Memory clock speed 2000 MHz (16 Gbps effective) 1188 MHz (19 Gbps effective)
Memory type GDDR6 GDDR6X