AMD Radeon RX 6900 XT vs NVIDIA GeForce RTX 3090

Comparative analysis of AMD Radeon RX 6900 XT and NVIDIA GeForce RTX 3090 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, 3DMark Fire Strike - Graphics Score, Geekbench - OpenCL.

 

Differences

Reasons to consider the AMD Radeon RX 6900 XT

  • Videocard is newer: launch date 1 month(s) later
  • Around 31% higher core clock speed: 1825 MHz vs 1395 MHz
  • Around 33% higher boost clock speed: 2250 MHz vs 1695 MHz
  • Around 29% higher texture fill rate: 720.0 GTexel/s vs 556.0 GTexel/s
  • A newer manufacturing process allows for a more powerful, yet cooler running videocard: 7 nm vs 8 nm
  • Around 17% lower typical power consumption: 300 Watt vs 350 Watt
  • Around 64% higher memory clock speed: 2000 MHz (16 Gbps effective) vs 1219 MHz (19.5 Gbps effective)
  • Around 10% better performance in PassMark - G2D Mark: 1085 vs 986
  • Around 2% better performance in PassMark - G3D Mark: 25877 vs 25473
Specifications (specs)
Launch date 28 Oct 2020 vs 1 Sep 2020
Core clock speed 1825 MHz vs 1395 MHz
Boost clock speed 2250 MHz vs 1695 MHz
Texture fill rate 720.0 GTexel/s vs 556.0 GTexel/s
Manufacturing process technology 7 nm vs 8 nm
Thermal Design Power (TDP) 300 Watt vs 350 Watt
Memory clock speed 2000 MHz (16 Gbps effective) vs 1219 MHz (19.5 Gbps effective)
Benchmarks
PassMark - G2D Mark 1085 vs 986
PassMark - G3D Mark 25877 vs 25473

Reasons to consider the NVIDIA GeForce RTX 3090

  • 2.1x more pipelines: 10496 vs 5120
  • Around 50% higher maximum memory size: 24 GB vs 16 GB
Pipelines 10496 vs 5120
Maximum memory size 24 GB vs 16 GB

Compare benchmarks

GPU 1: AMD Radeon RX 6900 XT
GPU 2: NVIDIA GeForce RTX 3090

PassMark - G2D Mark
GPU 1
GPU 2
1085
986
PassMark - G3D Mark
GPU 1
GPU 2
25877
25473
Name AMD Radeon RX 6900 XT NVIDIA GeForce RTX 3090
PassMark - G2D Mark 1085 986
PassMark - G3D Mark 25877 25473
3DMark Fire Strike - Graphics Score 19858
Geekbench - OpenCL 204198

Compare specifications (specs)

AMD Radeon RX 6900 XT NVIDIA GeForce RTX 3090

Essentials

Architecture RDNA 2.0 Ampere
Code name Navi 21 GA102
Launch date 28 Oct 2020 1 Sep 2020
Launch price (MSRP) $999 $1499
Place in performance rating 1 2
Type Desktop Desktop

Technical info

Boost clock speed 2250 MHz 1695 MHz
Compute units 80
Core clock speed 1825 MHz 1395 MHz
Manufacturing process technology 7 nm 8 nm
Peak Double Precision (FP64) Performance 1440 GFLOPS (1:16) 556.0 GFLOPS (1:64)
Peak Half Precision (FP16) Performance 46.08 TFLOPS (2:1) 35.58 TFLOPS (1:1)
Peak Single Precision (FP32) Performance 23.04 TFLOPS 35.58 TFLOPS
Pipelines 5120 10496
Pixel fill rate 288.0 GPixel/s 189.8 GPixel/s
Texture fill rate 720.0 GTexel/s 556.0 GTexel/s
Thermal Design Power (TDP) 300 Watt 350 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) 138 mm (5.4 inches)
Interface PCIe 4.0 x16 PCIe 4.0 x16
Length 267 mm (10.5 inches) 313 mm (12.3 inches)
Recommended system power (PSU) 700 Watt 750 Watt
Supplementary power connectors 2x 8-pin 1x 12-pin
Width 120 mm (4.7 inches) Triple-slot

API support

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

Memory

Maximum RAM amount 16 GB 24 GB
Memory bandwidth 512 GB/s 936.2 GB/s
Memory bus width 256 bit 384 bit
Memory clock speed 2000 MHz (16 Gbps effective) 1219 MHz (19.5 Gbps effective)
Memory type GDDR6 GDDR6X