AMD Radeon RX 7900 XT vs NVIDIA GeForce RTX 4090 Mobile

Comparative analysis of AMD Radeon RX 7900 XT 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, 3DMark Fire Strike - Graphics Score, Geekbench - OpenCL, 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).

 

Differences

Reasons to consider the AMD Radeon RX 7900 XT

  • Around 12% higher core clock speed: 1500 MHz vs 1335 MHz
  • Around 41% higher boost clock speed: 2394 MHz vs 1695 MHz
  • Around 56% higher texture fill rate: 804.4 GTexel/s vs 515.3 GTexel/s
  • Around 25% higher maximum memory size: 20 GB vs 16 GB
  • Around 25% higher memory clock speed: 2500 MHz, 20 Gbps effective vs 2000 MHz, 16 Gbps effective
  • Around 21% better performance in PassMark - G2D Mark: 1179 vs 975
  • Around 4% better performance in PassMark - G3D Mark: 28846 vs 27725
  • Around 26% better performance in 3DMark Fire Strike - Graphics Score: 27044 vs 21530
Specifications (specs)
Core clock speed 1500 MHz vs 1335 MHz
Boost clock speed 2394 MHz vs 1695 MHz
Texture fill rate 804.4 GTexel/s vs 515.3 GTexel/s
Maximum memory size 20 GB vs 16 GB
Memory clock speed 2500 MHz, 20 Gbps effective vs 2000 MHz, 16 Gbps effective
Benchmarks
PassMark - G2D Mark 1179 vs 975
PassMark - G3D Mark 28846 vs 27725
3DMark Fire Strike - Graphics Score 27044 vs 21530

Reasons to consider the NVIDIA GeForce RTX 4090 Mobile

  • Videocard is newer: launch date 2 year(s) 0 month(s) later
  • Around 81% higher pipelines: 9728 vs 5376
  • A newer manufacturing process allows for a more powerful, yet cooler running videocard: 4 nm vs 5 nm
  • 2x lower typical power consumption: 150 Watt vs 300 Watt
  • Around 7% better performance in Geekbench - OpenCL: 180987 vs 169473
Specifications (specs)
Launch date 2023 vs 3 Nov 2022
Pipelines 9728 vs 5376
Manufacturing process technology 4 nm vs 5 nm
Thermal Design Power (TDP) 150 Watt vs 300 Watt
Benchmarks
Geekbench - OpenCL 180987 vs 169473

Compare benchmarks

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

PassMark - G2D Mark
GPU 1
GPU 2
1179
975
PassMark - G3D Mark
GPU 1
GPU 2
28846
27725
3DMark Fire Strike - Graphics Score
GPU 1
GPU 2
27044
21530
Geekbench - OpenCL
GPU 1
GPU 2
169473
180987
Name AMD Radeon RX 7900 XT NVIDIA GeForce RTX 4090 Mobile
PassMark - G2D Mark 1179 975
PassMark - G3D Mark 28846 27725
3DMark Fire Strike - Graphics Score 27044 21530
Geekbench - OpenCL 169473 180987
CompuBench 1.5 Desktop - Face Detection (mPixels/s) 343.519
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) 12483.531
CompuBench 1.5 Desktop - T-Rex (Frames/s) 60.185
CompuBench 1.5 Desktop - Video Composition (Frames/s) 320.733
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) 2714.187

Compare specifications (specs)

AMD Radeon RX 7900 XT NVIDIA GeForce RTX 4090 Mobile

Essentials

Architecture RDNA 3.0 Ada Lovelace
Code name Navi 31 AD103
Launch date 3 Nov 2022 2023
Place in performance rating 17 20

Technical info

Boost clock speed 2394 MHz 1695 MHz
Compute units 84
Core clock speed 1500 MHz 1335 MHz
Manufacturing process technology 5 nm 4 nm
Peak Double Precision (FP64) Performance 3.218 TFLOPS (1:16) 515.3 GFLOPS (1:64)
Peak Half Precision (FP16) Performance 103.0 TFLOPS (2:1) 32.98 TFLOPS (1:1)
Peak Single Precision (FP32) Performance 51.48 TFLOPS 32.98 TFLOPS
Pipelines 5376 9728
Pixel fill rate 459.6 GPixel/s 189.8 GPixel/s
Texture fill rate 804.4 GTexel/s 515.3 GTexel/s
Thermal Design Power (TDP) 300 Watt 150 Watt
Transistor count 57700 million 45900 million

Video outputs and ports

Display Connectors 1x HDMI 2.1a, 2x DisplayPort 2.1, 1x USB Type-C Portable Device Dependent

Compatibility, dimensions and requirements

Form factor Dual-slot IGP
Height 51 mm, 2 inches
Interface PCIe 4.0 x16 PCIe 4.0 x16
Length 276 mm, 10.9 inches
Recommended system power (PSU) 700 Watt
Supplementary power connectors 2x 8-pin None
Width 135 mm, 5.3 inches

API support

DirectX 12 Ultimate (12_2) 12 Ultimate (12_2)
OpenCL 2.1 3.0
OpenGL 4.6 4.6
Shader Model 6.7 6.7
Vulkan

Memory

Maximum RAM amount 20 GB 16 GB
Memory bandwidth 800.0 GB/s 512.0 GB/s
Memory bus width 320 bit 256 bit
Memory clock speed 2500 MHz, 20 Gbps effective 2000 MHz, 16 Gbps effective
Memory type GDDR6 GDDR6