AMD Radeon RX 7900M vs NVIDIA GeForce RTX 4090 Mobile

Comparative analysis of AMD Radeon RX 7900M and NVIDIA GeForce RTX 4090 Mobile 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, 3DMark Fire Strike - Graphics Score.

 

Differences

Reasons to consider the AMD Radeon RX 7900M

  • Around 37% higher core clock speed: 1825 MHz vs 1335 MHz
  • Around 23% higher boost clock speed: 2090 MHz vs 1695 MHz
  • Around 17% higher texture fill rate: 601.9 GTexel/s vs 515.3 GTexel/s
  • Around 13% higher memory clock speed: 2250 MHz, 18 Gbps effective vs 2000 MHz, 16 Gbps effective
Core clock speed 1825 MHz vs 1335 MHz
Boost clock speed 2090 MHz vs 1695 MHz
Texture fill rate 601.9 GTexel/s vs 515.3 GTexel/s
Memory clock speed 2250 MHz, 18 Gbps effective vs 2000 MHz, 16 Gbps effective

Reasons to consider the NVIDIA GeForce RTX 4090 Mobile

  • Videocard is newer: launch date 1 year(s) 4 month(s) later
  • 2.1x more pipelines: 9728 vs 4608
  • A newer manufacturing process allows for a more powerful, yet cooler running videocard: 4 nm vs 5 nm
  • Around 20% lower typical power consumption: 150 Watt vs 180 Watt
  • Around 3% better performance in PassMark - G2D Mark: 976 vs 945
  • Around 18% better performance in PassMark - G3D Mark: 27541 vs 23273
  • Around 51% better performance in Geekbench - OpenCL: 179576 vs 118813
Specifications (specs)
Launch date 2023 vs 19 Oct 2023
Pipelines 9728 vs 4608
Manufacturing process technology 4 nm vs 5 nm
Thermal Design Power (TDP) 150 Watt vs 180 Watt
Benchmarks
PassMark - G2D Mark 976 vs 945
PassMark - G3D Mark 27541 vs 23273
Geekbench - OpenCL 179576 vs 118813

Compare benchmarks

GPU 1: AMD Radeon RX 7900M
GPU 2: NVIDIA GeForce RTX 4090 Mobile

PassMark - G2D Mark
GPU 1
GPU 2
945
976
PassMark - G3D Mark
GPU 1
GPU 2
23273
27541
Geekbench - OpenCL
GPU 1
GPU 2
118813
179576
Name AMD Radeon RX 7900M NVIDIA GeForce RTX 4090 Mobile
PassMark - G2D Mark 945 976
PassMark - G3D Mark 23273 27541
Geekbench - OpenCL 118813 179576
3DMark Fire Strike - Graphics Score 4908

Compare specifications (specs)

AMD Radeon RX 7900M NVIDIA GeForce RTX 4090 Mobile

Essentials

Architecture RDNA 3.0 Ada Lovelace
Code name Navi 31 AD103
Launch date 19 Oct 2023 2023
Place in performance rating 34 35

Technical info

Boost clock speed 2090 MHz 1695 MHz
Compute units 72
Core clock speed 1825 MHz 1335 MHz
Manufacturing process technology 5 nm 4 nm
Pipelines 4608 9728
Pixel fill rate 267.5 GPixel/s 189.8 GPixel/s
Texture fill rate 601.9 GTexel/s 515.3 GTexel/s
Thermal Design Power (TDP) 180 Watt 150 Watt
Transistor count 57700 million 45900 million
Peak Double Precision (FP64) Performance 515.3 GFLOPS (1:64)
Peak Half Precision (FP16) Performance 32.98 TFLOPS (1:1)
Peak Single Precision (FP32) Performance 32.98 TFLOPS

Video outputs and ports

Display Connectors Portable Device Dependent Portable Device Dependent

Compatibility, dimensions and requirements

Form factor IGP IGP
Interface PCIe 4.0 x16 PCIe 4.0 x16
Supplementary power connectors None None

API support

DirectX 12 Ultimate (12_2) 12 Ultimate (12_2)
OpenCL 2.2 3.0
OpenGL 4.6 4.6
Shader Model 6.7 6.7
Vulkan

Memory

Maximum RAM amount 16 GB 16 GB
Memory bandwidth 576.0 GB/s 512.0 GB/s
Memory bus width 256 bit 256 bit
Memory clock speed 2250 MHz, 18 Gbps effective 2000 MHz, 16 Gbps effective
Memory type GDDR6 GDDR6