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 - G3D Mark, PassMark - G2D Mark, Geekbench - OpenCL, CompuBench 1.5 Desktop - Face Detection (mPixels/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 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 3% better performance in PassMark - G3D Mark: 26385 vs 25728
  • Around 15% better performance in PassMark - G2D Mark: 1132 vs 983
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 - G3D Mark 26385 vs 25728
PassMark - G2D Mark 1132 vs 983

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
  • Around 24% better performance in Geekbench - OpenCL: 205208 vs 165302
  • Around 4% better performance in 3DMark Fire Strike - Graphics Score: 19930 vs 19088
Specifications (specs)
Pipelines 10496 vs 5120
Maximum memory size 24 GB vs 16 GB
Benchmarks
Geekbench - OpenCL 205208 vs 165302
3DMark Fire Strike - Graphics Score 19930 vs 19088

Compare benchmarks

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

PassMark - G3D Mark
GPU 1
GPU 2
26385
25728
PassMark - G2D Mark
GPU 1
GPU 2
1132
983
Geekbench - OpenCL
GPU 1
GPU 2
165302
205208
3DMark Fire Strike - Graphics Score
GPU 1
GPU 2
19088
19930
Name AMD Radeon RX 6900 XT NVIDIA GeForce RTX 3090
PassMark - G3D Mark 26385 25728
PassMark - G2D Mark 1132 983
Geekbench - OpenCL 165302 205208
CompuBench 1.5 Desktop - Face Detection (mPixels/s) 533.405
CompuBench 1.5 Desktop - T-Rex (Frames/s) 51.08
CompuBench 1.5 Desktop - Video Composition (Frames/s) 320.733
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) 2566.9
GFXBench 4.0 - Car Chase Offscreen (Frames) 15985
GFXBench 4.0 - Manhattan (Frames) 7440
GFXBench 4.0 - T-Rex (Frames) 3360
GFXBench 4.0 - Car Chase Offscreen (Fps) 15985
GFXBench 4.0 - Manhattan (Fps) 7440
GFXBench 4.0 - T-Rex (Fps) 3360
3DMark Fire Strike - Graphics Score 19088 19930

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 6 1
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