AMD Radeon RX 6950 XT vs NVIDIA GeForce RTX 4090 Mobile

Comparative analysis of AMD Radeon RX 6950 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.

 

Differences

Reasons to consider the AMD Radeon RX 6950 XT

  • Around 39% higher core clock speed: 1860 MHz vs 1335 MHz
  • Around 36% higher boost clock speed: 2310 MHz vs 1695 MHz
  • Around 43% higher texture fill rate: 739.2 GTexel/s vs 515.3 GTexel/s
  • Around 13% higher memory clock speed: 2250 MHz, 18 Gbps effective vs 2000 MHz, 16 Gbps effective
  • Around 6% better performance in PassMark - G2D Mark: 1031 vs 972
  • Around 2% better performance in PassMark - G3D Mark: 28152 vs 27708
Specifications (specs)
Core clock speed 1860 MHz vs 1335 MHz
Boost clock speed 2310 MHz vs 1695 MHz
Texture fill rate 739.2 GTexel/s vs 515.3 GTexel/s
Memory clock speed 2250 MHz, 18 Gbps effective vs 2000 MHz, 16 Gbps effective
Benchmarks
PassMark - G2D Mark 1031 vs 972
PassMark - G3D Mark 28152 vs 27708

Reasons to consider the NVIDIA GeForce RTX 4090 Mobile

  • Videocard is newer: launch date 2 year(s) 6 month(s) later
  • Around 90% higher pipelines: 9728 vs 5120
  • A newer manufacturing process allows for a more powerful, yet cooler running videocard: 4 nm vs 7 nm
  • 2.2x lower typical power consumption: 150 Watt vs 335 Watt
  • Around 1% better performance in 3DMark Fire Strike - Graphics Score: 21530 vs 21420
  • Around 5% better performance in Geekbench - OpenCL: 179983 vs 172197
Specifications (specs)
Launch date 2023 vs 10 May 2022
Pipelines 9728 vs 5120
Manufacturing process technology 4 nm vs 7 nm
Thermal Design Power (TDP) 150 Watt vs 335 Watt
Benchmarks
3DMark Fire Strike - Graphics Score 21530 vs 21420
Geekbench - OpenCL 179983 vs 172197

Compare benchmarks

GPU 1: AMD Radeon RX 6950 XT
GPU 2: NVIDIA GeForce RTX 4090 Mobile

PassMark - G2D Mark
GPU 1
GPU 2
1031
972
PassMark - G3D Mark
GPU 1
GPU 2
28152
27708
3DMark Fire Strike - Graphics Score
GPU 1
GPU 2
21420
21530
Geekbench - OpenCL
GPU 1
GPU 2
172197
179983
Name AMD Radeon RX 6950 XT NVIDIA GeForce RTX 4090 Mobile
PassMark - G2D Mark 1031 972
PassMark - G3D Mark 28152 27708
3DMark Fire Strike - Graphics Score 21420 21530
Geekbench - OpenCL 172197 179983

Compare specifications (specs)

AMD Radeon RX 6950 XT NVIDIA GeForce RTX 4090 Mobile

Essentials

Architecture RDNA 2.0 Ada Lovelace
Code name Navi 21 AD103
Launch date 10 May 2022 2023
Place in performance rating 19 21

Technical info

Boost clock speed 2310 MHz 1695 MHz
Compute units 80
Core clock speed 1860 MHz 1335 MHz
Manufacturing process technology 7 nm 4 nm
Peak Double Precision (FP64) Performance 1,478 GFLOPS (1:16) 515.3 GFLOPS (1:64)
Peak Half Precision (FP16) Performance 47.31 TFLOPS (2:1) 32.98 TFLOPS (1:1)
Peak Single Precision (FP32) Performance 23.65 TFLOPS 32.98 TFLOPS
Pipelines 5120 9728
Pixel fill rate 295.7 GPixel/s 189.8 GPixel/s
Texture fill rate 739.2 GTexel/s 515.3 GTexel/s
Thermal Design Power (TDP) 335 Watt 150 Watt
Transistor count 26800 million 45900 million

Video outputs and ports

Display Connectors 1x HDMI 2.1, 2x DisplayPort 1.4a Portable Device Dependent

Compatibility, dimensions and requirements

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