NVIDIA GeForce RTX 3080 Mobile vs AMD Radeon R9 M485X

Comparative analysis of NVIDIA GeForce RTX 3080 Mobile and AMD Radeon R9 M485X 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: 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), PassMark - G2D Mark, PassMark - G3D Mark.

 

Differences

Reasons to consider the NVIDIA GeForce RTX 3080 Mobile

  • Videocard is newer: launch date 4 year(s) 7 month(s) later
  • Around 54% higher core clock speed: 1110 MHz vs 723 MHz
  • 3205.1x more texture fill rate: 296.6 GTexel/s vs 92.54 GTexel / s
  • 3x more pipelines: 6144 vs 2048
  • A newer manufacturing process allows for a more powerful, yet cooler running videocard: 8 nm vs 28 nm
  • 2.2x lower typical power consumption: 115 Watt vs 250 Watt
Launch date 12 Jan 2021 vs 15 May 2016
Core clock speed 1110 MHz vs 723 MHz
Texture fill rate 296.6 GTexel/s vs 92.54 GTexel / s
Pipelines 6144 vs 2048
Manufacturing process technology 8 nm vs 28 nm
Thermal Design Power (TDP) 115 Watt vs 250 Watt

Reasons to consider the AMD Radeon R9 M485X

  • 2.9x more memory clock speed: 5000 MHz vs 1750 MHz, 14 Gbps effective
Memory clock speed 5000 MHz vs 1750 MHz, 14 Gbps effective

Compare benchmarks

GPU 1: NVIDIA GeForce RTX 3080 Mobile
GPU 2: AMD Radeon R9 M485X

Name NVIDIA GeForce RTX 3080 Mobile AMD Radeon R9 M485X
CompuBench 1.5 Desktop - Face Detection (mPixels/s) 371.785
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) 3552.807
CompuBench 1.5 Desktop - T-Rex (Frames/s) 31.212
CompuBench 1.5 Desktop - Video Composition (Frames/s) 190.723
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) 1422.602
GFXBench 4.0 - Car Chase Offscreen (Frames) 26295
GFXBench 4.0 - Manhattan (Frames) 9367
GFXBench 4.0 - T-Rex (Frames) 8604
GFXBench 4.0 - Car Chase Offscreen (Fps) 26295
GFXBench 4.0 - Manhattan (Fps) 9367
GFXBench 4.0 - T-Rex (Fps) 8604
PassMark - G2D Mark 417
PassMark - G3D Mark 3661

Compare specifications (specs)

NVIDIA GeForce RTX 3080 Mobile AMD Radeon R9 M485X

Essentials

Architecture Ampere GCN 3.0
Code name GA104 Amethyst
Launch date 12 Jan 2021 15 May 2016
Place in performance rating 92 276
Type Laptop Laptop

Technical info

Boost clock speed 1545 MHz
Core clock speed 1110 MHz 723 MHz
Manufacturing process technology 8 nm 28 nm
Peak Double Precision (FP64) Performance 296.6 GFLOPS (1:64)
Peak Half Precision (FP16) Performance 18.98 TFLOPS (1:1)
Peak Single Precision (FP32) Performance 18.98 TFLOPS
Pipelines 6144 2048
Pixel fill rate 148.3 GPixel/s
Texture fill rate 296.6 GTexel/s 92.54 GTexel / s
Thermal Design Power (TDP) 115 Watt 250 Watt
Transistor count 17400 million 5,000 million
Floating-point performance 2,961 gflops

Video outputs and ports

Display Connectors Portable Device Dependent No outputs

Compatibility, dimensions and requirements

Height PCIe 4.0 x16
Interface PCIe 4.0 x16 MXM-B (3.0)
Supplementary power connectors None None
Laptop size large

API support

DirectX 12 Ultimate (12_2) 12.0 (12_0)
OpenCL 3.0
OpenGL 4.6 4.5
Shader Model 6.7
Vulkan

Memory

Maximum RAM amount 8 GB 8 GB
Memory bandwidth 448.0 GB/s 160.0 GB / s
Memory bus width 256 bit 256 Bit
Memory clock speed 1750 MHz, 14 Gbps effective 5000 MHz
Memory type GDDR6 GDDR5
Shared memory 0

Technologies

GPU Boost
VR Ready
Enduro