NVIDIA GeForce RTX 3080 Mobile vs AMD Radeon RX 6900 XT

Comparative analysis of NVIDIA GeForce RTX 3080 Mobile and AMD Radeon RX 6900 XT videocards for all known characteristics in the following categories: Essentials, Technical info, Video outputs and ports, Compatibility, dimensions and requirements, API support, Memory, Technologies. Benchmark videocards performance analysis: GFXBench 4.0 - Car Chase Offscreen (Frames), GFXBench 4.0 - Car Chase Offscreen (Fps), GFXBench 4.0 - Manhattan (Frames), GFXBench 4.0 - Manhattan (Fps), GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - T-Rex (Fps), 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), 3DMark Fire Strike - Graphics Score.

 

Differences

Reasons to consider the NVIDIA GeForce RTX 3080 Mobile

  • Videocard is newer: launch date 2 month(s) later
  • Around 20% higher pipelines: 6144 vs 5120
  • 2.6x lower typical power consumption: 115 Watt vs 300 Watt
  • Around 54% better performance in GFXBench 4.0 - Car Chase Offscreen (Frames): 25985 vs 16859
  • Around 54% better performance in GFXBench 4.0 - Car Chase Offscreen (Fps): 25985 vs 16859
  • 4.9x better performance in GFXBench 4.0 - Manhattan (Frames): 18185 vs 3714
  • 4.9x better performance in GFXBench 4.0 - Manhattan (Fps): 18185 vs 3714
  • 5x better performance in GFXBench 4.0 - T-Rex (Frames): 16750 vs 3350
  • 5x better performance in GFXBench 4.0 - T-Rex (Fps): 16750 vs 3350
Specifications (specs)
Launch date 12 Jan 2021 vs 28 Oct 2020
Pipelines 6144 vs 5120
Thermal Design Power (TDP) 115 Watt vs 300 Watt
Benchmarks
GFXBench 4.0 - Car Chase Offscreen (Frames) 25985 vs 16859
GFXBench 4.0 - Car Chase Offscreen (Fps) 25985 vs 16859
GFXBench 4.0 - Manhattan (Frames) 18185 vs 3714
GFXBench 4.0 - Manhattan (Fps) 18185 vs 3714
GFXBench 4.0 - T-Rex (Frames) 16750 vs 3350
GFXBench 4.0 - T-Rex (Fps) 16750 vs 3350

Reasons to consider the AMD Radeon RX 6900 XT

  • Around 64% higher core clock speed: 1825 MHz vs 1110 MHz
  • Around 46% higher boost clock speed: 2250 MHz vs 1545 MHz
  • 2.4x more texture fill rate: 720.0 GTexel/s vs 296.6 GTexel/s
  • A newer manufacturing process allows for a more powerful, yet cooler running videocard: 7 nm vs 8 nm
  • 2x more maximum memory size: 16 GB vs 8 GB
  • Around 14% higher memory clock speed: 2000 MHz (16 Gbps effective) vs 1750 MHz (14 Gbps effective)
Core clock speed 1825 MHz vs 1110 MHz
Boost clock speed 2250 MHz vs 1545 MHz
Texture fill rate 720.0 GTexel/s vs 296.6 GTexel/s
Manufacturing process technology 7 nm vs 8 nm
Maximum memory size 16 GB vs 8 GB
Memory clock speed 2000 MHz (16 Gbps effective) vs 1750 MHz (14 Gbps effective)

Compare benchmarks

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

GFXBench 4.0 - Car Chase Offscreen (Frames)
GPU 1
GPU 2
25985
16859
GFXBench 4.0 - Car Chase Offscreen (Fps)
GPU 1
GPU 2
25985
16859
GFXBench 4.0 - Manhattan (Frames)
GPU 1
GPU 2
18185
3714
GFXBench 4.0 - Manhattan (Fps)
GPU 1
GPU 2
18185
3714
GFXBench 4.0 - T-Rex (Frames)
GPU 1
GPU 2
16750
3350
GFXBench 4.0 - T-Rex (Fps)
GPU 1
GPU 2
16750
3350
Name NVIDIA GeForce RTX 3080 Mobile AMD Radeon RX 6900 XT
GFXBench 4.0 - Car Chase Offscreen (Frames) 25985 16859
GFXBench 4.0 - Car Chase Offscreen (Fps) 25985 16859
GFXBench 4.0 - Manhattan (Frames) 18185 3714
GFXBench 4.0 - Manhattan (Fps) 18185 3714
GFXBench 4.0 - T-Rex (Frames) 16750 3350
GFXBench 4.0 - T-Rex (Fps) 16750 3350
PassMark - G3D Mark 26983
PassMark - G2D Mark 1149
Geekbench - OpenCL 165115
CompuBench 1.5 Desktop - Face Detection (mPixels/s) 532.345
CompuBench 1.5 Desktop - T-Rex (Frames/s) 50.602
CompuBench 1.5 Desktop - Video Composition (Frames/s) 288.807
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) 2563.25
3DMark Fire Strike - Graphics Score 19167

Compare specifications (specs)

NVIDIA GeForce RTX 3080 Mobile AMD Radeon RX 6900 XT

Essentials

Architecture Ampere RDNA 2.0
Code name GA104 Navi 21
Launch date 12 Jan 2021 28 Oct 2020
Place in performance rating 10 11
Type Laptop Desktop
Launch price (MSRP) $999

Technical info

Boost clock speed 1545 MHz 2250 MHz
Core clock speed 1110 MHz 1825 MHz
Manufacturing process technology 8 nm 7 nm
Peak Double Precision (FP64) Performance 296.6 GFLOPS (1:64) 1440 GFLOPS (1:16)
Peak Half Precision (FP16) Performance 18.98 TFLOPS (1:1) 46.08 TFLOPS (2:1)
Peak Single Precision (FP32) Performance 18.98 TFLOPS 23.04 TFLOPS
Pipelines 6144 5120
Pixel fill rate 148.3 GPixel/s 288.0 GPixel/s
Texture fill rate 296.6 GTexel/s 720.0 GTexel/s
Thermal Design Power (TDP) 115 Watt 300 Watt
Transistor count 17400 million 26800 million
Compute units 80

Video outputs and ports

Display Connectors No outputs 1x HDMI, 2x DisplayPort, 1x USB Type-C

Compatibility, dimensions and requirements

Height PCIe 4.0 x16 50 mm (2 inches)
Supplementary power connectors None 2x 8-pin
Form factor Triple-slot
Interface PCIe 4.0 x16
Length 267 mm (10.5 inches)
Recommended system power (PSU) 700 Watt
Width 120 mm (4.7 inches)

API support

DirectX 12.2 12.2
OpenCL 3.0 2.1
OpenGL 4.6 4.6
Shader Model 6.6 6.5
Vulkan

Memory

Maximum RAM amount 8 GB 16 GB
Memory bandwidth 448 GB/s 512 GB/s
Memory bus width 256 Bit 256 bit
Memory clock speed 1750 MHz (14 Gbps effective) 2000 MHz (16 Gbps effective)
Memory type GDDR6 GDDR6

Technologies

GPU Boost
VR Ready